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all geography including DSDP/ODP Sites and Legs
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Oahu
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Honolulu Hawaii (3)
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Maui County Hawaii
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Maui (1)
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Mauna Loa (2)
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High Plains Aquifer (9)
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Hueco Mountains (2)
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Hugoton Embayment (7)
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Hurricane Fault (9)
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Idaho
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Ada County Idaho
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Boise Idaho (1)
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Bannock County Idaho (10)
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Bannock Range (9)
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Bear Lake County Idaho (17)
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Bingham County Idaho (10)
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Blaine County Idaho (17)
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Boise County Idaho (2)
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Bonner County Idaho (1)
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Bonneville County Idaho (10)
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Boundary County Idaho (2)
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Butte County Idaho (33)
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Camas County Idaho (1)
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Caribou County Idaho (10)
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Cassia County Idaho (14)
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Clark County Idaho (7)
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Clearwater County Idaho (3)
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Coeur d'Alene River (1)
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Custer County Idaho
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Borah Peak (11)
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Challis Idaho (9)
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Chilly Buttes (1)
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Mackay Idaho (7)
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Elmore County Idaho (2)
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Fremont County Idaho (6)
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Gooding County Idaho (6)
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Idaho County Idaho (9)
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Idaho National Laboratory (10)
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Jefferson County Idaho (8)
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Lemhi County Idaho
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Blackbird mining district (9)
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Salmon Idaho (1)
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Lemhi Range (18)
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Lincoln County Idaho (2)
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Lost River Fault (19)
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Lost River Range
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Borah Peak (11)
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Madison County Idaho (5)
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Minidoka County Idaho (2)
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Oneida County Idaho (7)
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Owyhee County Idaho (1)
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Power County Idaho (2)
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Shoshone County Idaho (2)
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Snake River plain (127)
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Snake River Plain Aquifer (14)
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Twin Falls County Idaho (7)
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Valley County Idaho (3)
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Idaho Batholith (36)
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Illinois
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Lee County Illinois (1)
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Randolph County Illinois (1)
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Saint Clair County Illinois (1)
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Illinois Basin (4)
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Indiana
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Lawrence County Indiana (1)
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Iowa
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Adair County Iowa (1)
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Calhoun County Iowa (1)
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Clinton County Iowa (1)
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Dallas County Iowa (1)
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Johnson County Iowa (1)
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Manson impact structure (2)
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Pocahontas County Iowa (1)
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Ismay Zone (1)
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Kansas
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Barber County Kansas (1)
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Butler County Kansas (1)
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Clark County Kansas (4)
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Ellis County Kansas (5)
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Ellsworth County Kansas (2)
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Finney County Kansas (4)
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Ford County Kansas (1)
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Gove County Kansas (6)
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Grant County Kansas (1)
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Gray County Kansas (1)
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Greeley County Kansas (3)
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Hamilton County Kansas (6)
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Haskell County Kansas (3)
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Hugoton Field (8)
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Johnson County Kansas (1)
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Kearny County Kansas (4)
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Lane County Kansas (1)
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Lincoln County Kansas (1)
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Linn County Kansas (1)
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Logan County Kansas (6)
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McPherson County Kansas (1)
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Meade County Kansas (14)
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Miami County Kansas (1)
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Ness County Kansas (2)
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Ottawa County Kansas (1)
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Pawnee County Kansas (1)
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Rawlins County Kansas (1)
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Reno County Kansas
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Republic County Kansas (1)
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Russell County Kansas (3)
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Saline County Kansas (2)
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Scott County Kansas (2)
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Seward County Kansas (5)
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Sheridan County Kansas (1)
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Sherman County Kansas (3)
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Stanton County Kansas (2)
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Stevens County Kansas
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Hugoton Kansas (2)
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Thomas County Kansas (1)
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Trego County Kansas (2)
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Wallace County Kansas (2)
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Wilson County Kansas (1)
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Kentucky
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Klamath Mountains (4)
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Lewis and Clark Lineament (7)
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Llano Estacado (10)
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Louisiana
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Allen Parish Louisiana (1)
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Atchafalaya Bay (1)
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Atchafalaya River (1)
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Natchitoches Parish Louisiana (1)
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Madison Aquifer (6)
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Maine
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Somerset County Maine (2)
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Maryland
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Worcester County Maryland (1)
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Massachusetts
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Hampshire County Massachusetts (1)
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Michigan (8)
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Minnesota
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Duluth Complex (2)
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Mississippi
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Hancock County Mississippi (1)
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Mississippi Embayment (2)
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Mississippi River (4)
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Mississippi Valley
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Upper Mississippi Valley (2)
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Missouri
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Saint Louis County Missouri
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Saint Louis Missouri (2)
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Shannon County Missouri (1)
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Missouri River (14)
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Mojave Desert (38)
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Montana
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Beaverhead County Montana
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Tendoy Range (3)
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Big Belt Mountains (5)
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Big Horn County Montana (9)
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Big Snowy Mountains (5)
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Blaine County Montana (7)
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Boulder Batholith (17)
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Bridger Range (11)
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Broadwater County Montana (10)
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Butte mining district (19)
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Carbon County Montana (19)
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Carter County Montana (13)
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Cascade County Montana (14)
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Chouteau County Montana (5)
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Crazy Mountains Basin (6)
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Custer County Montana (5)
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Dawson County Montana (9)
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Deer Lodge County Montana (12)
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Fallon County Montana (5)
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Fergus County Montana (22)
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Flathead County Montana (16)
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Flathead Lake (5)
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Flint Creek Range (2)
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Gallatin County Montana
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Hebgen Lake (15)
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Three Forks Montana (3)
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Garfield County Montana (50)
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Glacier County Montana (12)
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Golden Valley County Montana (2)
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Granite County Montana (20)
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Gravelly Range (1)
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Hill County Montana (3)
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Jefferson County Montana (28)
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Judith Basin County Montana (2)
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Lewis and Clark County Montana
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Helena Montana (7)
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Liberty County Montana (2)
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Lincoln County Montana
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Libby Montana (2)
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Little Belt Mountains (13)
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Madison County Montana
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Tobacco Root Mountains (11)
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McCone County Montana (26)
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Meagher County Montana (9)
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Mineral County Montana (6)
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Missoula County Montana (12)
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Park County Montana (29)
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Phillips County Montana (4)
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Pondera County Montana (5)
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Powder River County Montana (13)
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Powell County Montana (11)
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Prairie County Montana (1)
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Ravalli County Montana (17)
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Richland County Montana (10)
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Roosevelt County Montana (1)
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Rosebud County Montana (8)
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Sanders County Montana (5)
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Sheridan County Montana (2)
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Shonkin Sag Laccolith (1)
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Silver Bow County Montana
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Butte Montana (32)
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Stillwater County Montana (23)
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Sweet Grass County Montana (12)
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Teton County Montana (21)
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Toole County Montana (3)
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Treasure County Montana (1)
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Valley County Montana (2)
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Wheatland County Montana (7)
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Wibaux County Montana (1)
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Yellowstone County Montana
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Billings Montana (1)
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-
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Moxa Arch (10)
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Mullen Creek-Nash Fork shear zone (3)
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Navajo Indian Reservation (2)
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Nebraska
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Antelope County Nebraska (2)
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Banner County Nebraska (10)
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Box Butte County Nebraska (3)
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Brown County Nebraska (5)
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Cedar County Nebraska (1)
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Cherry County Nebraska (10)
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Cheyenne County Nebraska (7)
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Dawes County Nebraska (12)
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Deuel County Nebraska (1)
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Frontier County Nebraska (2)
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Garden County Nebraska (10)
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Hitchcock County Nebraska (5)
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Holt County Nebraska (1)
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Hooker County Nebraska (1)
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Keith County Nebraska (3)
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Keya Paha County Nebraska (2)
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Kimball County Nebraska (7)
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Knox County Nebraska (5)
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Loup County Nebraska (1)
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Morrill County Nebraska (12)
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Perkins County Nebraska (1)
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Red Willow County Nebraska (4)
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Scotts Bluff County Nebraska (4)
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Sheridan County Nebraska (3)
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Sioux County Nebraska (24)
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Thomas County Nebraska (1)
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Webster County Nebraska (1)
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Nevada
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Arrow Canyon Range (11)
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Carlin Trend (2)
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Carson City County Nevada (1)
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Churchill County Nevada (7)
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Clark County Nevada
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Las Vegas Nevada (14)
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Douglas County Nevada (1)
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Egan Range (14)
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Elko County Nevada
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Carlin Nevada (2)
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East Humboldt Range (2)
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Independence Mountains (1)
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Pequop Mountains (6)
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Esmeralda County Nevada
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Silver Peak Mountains (1)
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Eureka County Nevada
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Eureka Nevada (1)
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Humboldt County Nevada
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Getchell Mine (1)
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Lake Mead Fault (8)
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Lander County Nevada (4)
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Las Vegas Valley (13)
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Lincoln County Nevada (61)
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Lyon County Nevada
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Yerington Nevada (2)
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Mineral County Nevada (4)
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Mormon Mountains (6)
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Nevada Test Site (7)
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Nye County Nevada
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Grant Canyon Field (1)
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Trap Spring Field (1)
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Yucca Mountain (5)
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Pershing County Nevada
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Humboldt Range (4)
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Roberts Mountains Allochthon (5)
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Shoshone Mountains (1)
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Storey County Nevada (1)
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Toquima Range (2)
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Washoe County Nevada
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Reno Nevada (2)
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White Pine County Nevada
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Ely Nevada (9)
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New England (5)
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New Hampshire
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Cheshire County New Hampshire (1)
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Grafton County New Hampshire (2)
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New Jersey (10)
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New Mexico
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Animas Mountains (1)
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Bernalillo County New Mexico
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Albuquerque New Mexico (29)
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Catron County New Mexico
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Mogollon Mountains (2)
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Chaves County New Mexico (11)
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Cibola County New Mexico (6)
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Colfax County New Mexico (13)
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Curry County New Mexico (3)
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Datil-Mogollon volcanic field (19)
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De Baca County New Mexico (2)
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Dona Ana County New Mexico
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Las Cruces New Mexico (4)
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Eddy County New Mexico
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Carlsbad Caverns (1)
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Lechuguilla Cave (1)
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Waste Isolation Pilot Plant (1)
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Grant County New Mexico
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Santa Rita New Mexico (4)
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Silver City New Mexico (1)
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Grants mineral belt (33)
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Guadalupe County New Mexico (3)
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Harding County New Mexico (3)
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Hidalgo County New Mexico (6)
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Jemez Lineament (17)
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Jemez Mountains (27)
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Jornada del Muerto (3)
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Lea County New Mexico
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Vacuum Field (2)
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Lincoln County New Mexico (13)
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Los Alamos County New Mexico
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Los Alamos National Laboratory (32)
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Luna County New Mexico
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Florida Mountains (1)
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Manzano Mountains (3)
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McKinley County New Mexico
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Ambrosia Lake (5)
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Ambrosia Lake mining district (8)
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Grants mining district (4)
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Mariano Lake (1)
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Mora County New Mexico (12)
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Otero County New Mexico (6)
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Pajarito Plateau (22)
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Picuris Range (17)
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Quay County New Mexico (10)
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Rio Arriba County New Mexico
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Ghost Ranch (2)
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Nacimiento Mountains (4)
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Roosevelt County New Mexico (10)
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San Juan County New Mexico (63)
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San Miguel County New Mexico (9)
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Sandia Mountains (7)
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Sandoval County New Mexico
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Fenton Hill (3)
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Santa Fe County New Mexico
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Santa Fe New Mexico (5)
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Sierra County New Mexico
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Truth or Consequences New Mexico (2)
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Socorro County New Mexico
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Magdalena New Mexico (1)
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Socorro New Mexico (27)
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Taos County New Mexico
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Questa Caldera (5)
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Questa Mine (9)
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Taos Plateau (6)
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Tatum Basin (1)
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Torrance County New Mexico (10)
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Tucumcari Basin (2)
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Tusas Mountains (8)
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Union County New Mexico (7)
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Valencia County New Mexico
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Grants New Mexico (27)
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Valles Caldera (30)
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Zuni Mountains (3)
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New York
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Adirondack Mountains (6)
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Benson Mines (1)
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Essex County New York (1)
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Franklin County New York (1)
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Montgomery County New York (1)
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New York City New York (1)
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Saint Lawrence County New York
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Balmat-Edwards mining district (2)
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Tompkins County New York
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Ithaca New York (1)
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Warren County New York (1)
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Newark Basin (2)
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North Carolina
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Onslow Bay (1)
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North Dakota
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Billings County North Dakota (14)
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Bottineau County North Dakota (2)
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Bowman County North Dakota (11)
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Burke County North Dakota (1)
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Burleigh County North Dakota (2)
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Divide County North Dakota (1)
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Dunn County North Dakota (7)
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Emmons County North Dakota (4)
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Golden Valley County North Dakota (3)
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Grant County North Dakota (1)
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Kidder County North Dakota (1)
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Logan County North Dakota (2)
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McHenry County North Dakota (4)
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McKenzie County North Dakota (16)
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McLean County North Dakota (2)
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Mercer County North Dakota (4)
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Morton County North Dakota (4)
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Mountrail County North Dakota (6)
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Oliver County North Dakota (3)
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Renville County North Dakota (1)
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Sheridan County North Dakota (1)
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Sioux County North Dakota (2)
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Slope County North Dakota (18)
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Stark County North Dakota (8)
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Towner County North Dakota (1)
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Ward County North Dakota (1)
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Williams County North Dakota (3)
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Ogallala Aquifer (9)
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Ohio
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Hamilton County Ohio
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Cincinnati Ohio (1)
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Portage County Ohio (1)
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Scioto County Ohio (1)
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Oklahoma
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Arbuckle Anticline (1)
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Arbuckle Mountains (5)
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Beaver County Oklahoma (6)
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Caddo County Oklahoma (1)
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Canadian County Oklahoma (1)
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Carter County Oklahoma (2)
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Cherokee County Oklahoma (1)
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Cimarron County Oklahoma (7)
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Comanche County Oklahoma (4)
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Craig County Oklahoma (2)
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Criner Hills (1)
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Grady County Oklahoma (1)
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Kay County Oklahoma (1)
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Le Flore County Oklahoma (1)
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Logan County Oklahoma (2)
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Major County Oklahoma (1)
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Marshall County Oklahoma (1)
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Meers Fault (2)
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Murray County Oklahoma (2)
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Oklahoma Panhandle (13)
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Payne County Oklahoma (2)
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Pontotoc County Oklahoma (2)
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Texas County Oklahoma (4)
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Wagoner County Oklahoma (1)
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Wichita Mountains (1)
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Wichita Uplift (3)
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Oregon
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Brothers fault zone (1)
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Crook County Oregon (1)
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Deschutes County Oregon (1)
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Harney County Oregon (1)
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Jackson County Oregon (1)
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Klamath County Oregon (1)
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Lane County Oregon (1)
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Malheur County Oregon (1)
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Marion County Oregon (1)
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Polk County Oregon (1)
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Wallowa Mountains (2)
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Wheeler County Oregon (1)
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Orogrande Basin (7)
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Ouachita Belt (2)
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Ouachita Mountains (2)
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Owyhee Mountains (2)
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Palo Duro Basin (37)
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Pecos River (7)
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Pecos River valley (5)
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Pennsylvania
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Allegheny County Pennsylvania (1)
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Columbia County Pennsylvania (1)
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Dauphin County Pennsylvania
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Harrisburg Pennsylvania (1)
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Lancaster County Pennsylvania (1)
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Pilot Range (6)
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Powder River basin (213)
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Reelfoot Rift (1)
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Rhode Island (1)
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Sandia National Laboratories (2)
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Sevier orogenic belt (133)
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South Carolina
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Charleston County South Carolina
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Charleston South Carolina (2)
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South Dakota
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Badlands National Park (20)
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Bennett County South Dakota (4)
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Brule County South Dakota (1)
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Buffalo County South Dakota (1)
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Butte County South Dakota (7)
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Charles Mix County South Dakota (1)
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Corson County South Dakota (7)
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Custer County South Dakota (42)
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Davison County South Dakota (1)
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Dewey County South Dakota (6)
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Fall River County South Dakota (12)
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Gregory County South Dakota (3)
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Harding County South Dakota (6)
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Harney Peak Granite (14)
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Hughes County South Dakota (1)
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Jackson County South Dakota (1)
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Lawrence County South Dakota (23)
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Lyman County South Dakota (1)
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McPherson County South Dakota (1)
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Meade County South Dakota (8)
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Mellette County South Dakota (1)
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Pennington County South Dakota
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Rapid City South Dakota (3)
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Shannon County South Dakota (7)
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Stanley County South Dakota (1)
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Todd County South Dakota (1)
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Tripp County South Dakota (1)
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Walworth County South Dakota (1)
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Yankton County South Dakota (1)
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Ziebach County South Dakota (2)
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South Platte River (4)
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South Platte River valley (3)
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Southern U.S. (1)
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Southwestern U.S. (110)
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Tennessee
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Grundy County Tennessee (1)
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Polk County Tennessee (1)
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Shelby County Tennessee
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Memphis Tennessee (2)
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-
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Tennessee River (1)
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Texas
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Amarillo Uplift (6)
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Andrews County Texas (3)
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Archer County Texas (1)
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Armstrong County Texas (3)
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Bailey County Texas (1)
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Balcones fault zone (1)
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Baylor County Texas (4)
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Bexar County Texas (2)
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Brazos River (2)
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Brewster County Texas
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Big Bend National Park (4)
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Briscoe County Texas (4)
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Burleson County Texas (1)
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Burnet County Texas (1)
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Cochran County Texas (4)
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Collin County Texas (1)
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Comal County Texas (2)
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Cottle County Texas (1)
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Crane County Texas (1)
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Crosby County Texas (6)
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Culberson County Texas (3)
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Dalhart Basin (6)
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Dallam County Texas (1)
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Dallas County Texas
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Dallas Texas (1)
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Dawson County Texas (1)
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Deaf Smith County Texas (7)
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Dickens County Texas (1)
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Donley County Texas (4)
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East Texas (1)
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Ector County Texas
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Odessa Texas (1)
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Edwards Aquifer (2)
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Edwards Plateau (2)
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El Paso County Texas
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El Paso Texas (2)
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Fayette County Texas (1)
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Floyd County Texas (3)
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Foard County Texas (1)
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Fort Worth Basin (4)
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Gaines County Texas (2)
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Galveston County Texas
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Galveston Island (1)
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Galveston Texas (2)
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-
Garza County Texas (3)
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Hale County Texas (3)
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Hall County Texas (1)
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Hansford County Texas (1)
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Hardeman County Texas (1)
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Harris County Texas
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Houston Texas (1)
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Hartley County Texas (2)
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Hays County Texas (1)
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Hemphill County Texas (2)
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Hockley County Texas (5)
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Howard County Texas (1)
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Hudspeth County Texas (2)
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Hutchinson County Texas (2)
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Jack County Texas (1)
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Karnes County Texas (1)
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Kent County Texas (1)
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King County Texas (8)
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Kinney County Texas (1)
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Knox County Texas (2)
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Lamb County Texas (2)
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Lee County Texas (1)
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Lipscomb County Texas (1)
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Live Oak County Texas (1)
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Llano Uplift (5)
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Lubbock County Texas
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Lubbock Lake (3)
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Lubbock Texas (5)
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Lynn County Texas (5)
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Marfa Basin (1)
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Martin County Texas (2)
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McLennan County Texas (1)
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Midland Basin (22)
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Moore County Texas (3)
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Motley County Texas (1)
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Ochiltree County Texas (4)
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Oldham County Texas (4)
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Pecos County Texas (5)
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Potter County Texas
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Amarillo Texas (4)
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Presidio County Texas (1)
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Randall County Texas (6)
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Rita Blanca Lake (1)
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Roberts County Texas (2)
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San Jacinto County Texas (2)
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Scurry County Texas (1)
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Sherman County Texas (1)
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Stonewall County Texas (4)
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Swisher County Texas (7)
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Tarrant County Texas
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Fort Worth Texas (1)
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Taylor County Texas (1)
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Terrell County Texas (2)
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Terry County Texas (5)
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Texas Panhandle (26)
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Upton County Texas (1)
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Val Verde Basin (8)
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Val Verde County Texas (1)
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Ward County Texas (1)
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Webb County Texas (1)
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West Texas (92)
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Wheeler County Texas (3)
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Wichita County Texas (2)
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Williamson County Texas (1)
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Winkler County Texas (4)
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Yoakum County Texas (4)
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Zavala County Texas (1)
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Trans-Pecos (7)
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Truckee River (1)
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U. S. Rocky Mountains
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Absaroka Range
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Beartooth Mountains (52)
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Big Belt Mountains (5)
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Bighorn Mountains (80)
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Bitterroot Range
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Beaverhead Mountains (12)
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stable isotopes
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deuterium (28)
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Lu/Hf (15)
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uranium
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alkali metals
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cesium
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lithium
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potassium (26)
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magnesium
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radium
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strontium
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aluminum
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iron
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lead
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Lepidosauria
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Rhynchocephalia
-
Sphenodontidae (2)
-
-
Squamata
-
Lacertilia
-
Mosasauridae (3)
-
-
Serpentes (2)
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-
-
Rhynchosauria (2)
-
Sauropterygia
-
Plesiosauria
-
Elasmosauridae (1)
-
-
-
Trilophosauria (1)
-
-
Synapsida
-
Pelycosauria (5)
-
Therapsida
-
Cynodontia (1)
-
Dicynodontia (1)
-
-
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Testudinata (2)
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-
-
-
-
coprolites (20)
-
cyanobacteria (7)
-
Cyclostomata (4)
-
eukaryotes (3)
-
fungi (2)
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Graptolithina
-
Dendroidea (3)
-
Graptoloidea
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Diplograptina (1)
-
-
-
Hemichordata (4)
-
ichnofossils
-
Chondrites ichnofossils (1)
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Cruziana (3)
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Diplocraterion (1)
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Eubrontes (1)
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Glossifungites (3)
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Grallator (2)
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Nereites (1)
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Ophiomorpha
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Ophiomorpha nodosa (2)
-
-
Palaeophycus (1)
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Planolites (5)
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Rhizocorallium (3)
-
Skolithos (9)
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Teichichnus (1)
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Thalassinoides (10)
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Zoophycos (2)
-
-
Invertebrata
-
Arthropoda
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Chelicerata
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Arachnida (6)
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Merostomata
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Eurypterida (5)
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Xiphosura (1)
-
-
-
Mandibulata
-
Crustacea
-
Branchiopoda (6)
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Cirripedia (3)
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Malacostraca
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Brachyura (3)
-
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Ostracoda
-
Podocopida
-
Cypridocopina
-
Cyprididae
-
Candona (3)
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-
-
Cytherocopina
-
Cytheracea
-
Cyprideis (1)
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-
-
-
-
-
Insecta
-
Pterygota
-
Neoptera
-
Endopterygota
-
Coleoptera (5)
-
Diptera (7)
-
Hymenoptera (3)
-
Lepidoptera (1)
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Trichoptera (1)
-
-
Exopterygota
-
Hemiptera (4)
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Orthoptera (2)
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-
-
Palaeoptera
-
Ephemeroptera (1)
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-
-
-
-
Trilobitomorpha
-
Trilobita
-
Agnostida (4)
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Corynexochida (5)
-
Ptychopariida (12)
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Redlichiida (1)
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-
-
-
Brachiopoda
-
Articulata
-
Orthida
-
Enteletacea
-
Schizophoria (1)
-
-
-
Pentamerida (2)
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Productida (1)
-
Rhynchonellida
-
Rhynchonellidae (1)
-
-
Spiriferida
-
Cyrtospirifer (1)
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Spiriferidina
-
Spiriferidae (1)
-
-
-
Strophomenida (4)
-
Terebratulida (2)
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Thecideidina (1)
-
-
Inarticulata
-
Lingula (2)
-
-
-
Bryozoa
-
Cheilostomata (2)
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Cryptostomata
-
Fenestellidae (3)
-
Rhabdomesidae (2)
-
-
Ctenostomata (2)
-
Trepostomata (2)
-
-
Cnidaria
-
Anthozoa
-
Zoantharia
-
Rugosa (9)
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Scleractinia (2)
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Tabulata (5)
-
-
-
Hydrozoa (9)
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Scyphozoa (1)
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-
Echinodermata
-
Asterozoa
-
Stelleroidea
-
Asteroidea (13)
-
Ophiuroidea (2)
-
Somasteroidea (1)
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-
-
Crinozoa
-
Blastoidea (7)
-
Crinoidea
-
Inadunata (1)
-
-
Cystoidea (1)
-
Eocrinoidea (3)
-
-
Echinozoa
-
Echinoidea (8)
-
Edrioasteroidea (8)
-
Holothuroidea (2)
-
-
Homalozoa
-
Homoiostelea (1)
-
Stylophora (3)
-
-
-
Mollusca
-
Bivalvia
-
Heterodonta
-
Rudistae (1)
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Veneroida
-
Lucinidae (1)
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-
-
Ostreoidea
-
Gryphaea (2)
-
Ostreidae
-
Ostrea (4)
-
-
-
Palaeoheterodonta
-
Unionidae (8)
-
-
Pterioida
-
Pteriina
-
Anthraconaia (1)
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Inocerami
-
Inoceramidae
-
Inoceramus (3)
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-
-
Pectinacea (1)
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-
-
-
Cephalopoda
-
Ammonoidea
-
Ammonites (12)
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Baculites (6)
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Goniatitida (1)
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Scaphites (5)
-
-
Coleoidea
-
Belemnoidea
-
Belemnitidae (1)
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-
-
Nautiloidea
-
Nautilus (4)
-
-
-
Gastropoda
-
Archaeogastropoda
-
Bellerophontina (2)
-
-
Mesogastropoda (1)
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Pulmonata
-
Stylommatophora (2)
-
-
Pupillidae (1)
-
-
Hyolithes (2)
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Polyplacophora (3)
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Rostroconchia (1)
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Scaphopoda
-
Dentalium (1)
-
-
Tentaculitida
-
Tentaculitidae
-
Tentaculites (1)
-
-
-
-
Porifera
-
Calcarea (2)
-
Demospongea (8)
-
Hexactinellida (4)
-
Stromatoporoidea (3)
-
-
Protista
-
Foraminifera
-
Fusulinina
-
Endothyra (2)
-
Fusulinidae
-
Triticites
-
Triticites ventricosus (1)
-
-
-
-
Rotaliina
-
Buliminacea
-
Uvigerinidae
-
Uvigerina
-
Uvigerina peregrina (1)
-
-
-
-
Globigerinacea
-
Globigerinidae
-
Globigerinoides
-
Globigerinoides sacculifer (1)
-
-
-
Hedbergella (1)
-
Heterohelicidae (1)
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Rotalipora (2)
-
-
Lagenidae (1)
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Nodosariacea
-
Nodosariidae
-
Lenticulina (1)
-
Nodosaria (1)
-
-
-
-
Textulariina
-
Lituolacea
-
Ammobaculites (1)
-
Lituolidae
-
Haplophragmoides (1)
-
-
Orbitolinidae
-
Orbitolina (1)
-
-
Trochammina (1)
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-
-
-
Radiolaria
-
Spumellina (1)
-
-
Silicoflagellata (1)
-
Thecamoeba (1)
-
-
Vermes
-
Annelida (9)
-
Chaetognatha (1)
-
Polychaeta
-
Serpulidae (2)
-
-
Priapulida (1)
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scolecodonts (1)
-
-
-
Metazoa (6)
-
microfossils
-
Charophyta (10)
-
Conodonta
-
Adetognathus (1)
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Gondolella (1)
-
Hindeodus (1)
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Icriodus (1)
-
Idiognathodus (3)
-
Neognathodus (2)
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Ozarkodina (1)
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Palmatolepis (1)
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Polygnathus (1)
-
Streptognathodus (1)
-
-
Fusulinina
-
Endothyra (2)
-
Fusulinidae
-
Triticites
-
Triticites ventricosus (1)
-
-
-
-
problematic microfossils (9)
-
scolecodonts (1)
-
-
palynomorphs
-
acritarchs (12)
-
Dinoflagellata (9)
-
megaspores (5)
-
miospores
-
Momipites (2)
-
pollen (53)
-
-
-
Plantae
-
algae
-
calcareous algae (1)
-
Chlorophyta
-
Charophyta (10)
-
Chlorophyceae
-
Codiaceae
-
Halimeda (1)
-
-
Dasycladaceae (1)
-
-
-
Chrysophyta (1)
-
Coccolithophoraceae (2)
-
diatoms (27)
-
nannofossils (2)
-
Phaeophyta (1)
-
Rhodophyta (1)
-
-
Bryophyta
-
Hepaticae (1)
-
-
Pteridophyta
-
Filicopsida
-
Azolla (1)
-
Pecopteris (1)
-
-
Lycopsida
-
Lepidodendron (2)
-
Sigillaria (2)
-
Stigmaria (3)
-
-
Sphenopsida
-
Equisetales
-
Calamites (1)
-
-
-
-
Pteropsida (1)
-
Spermatophyta
-
Angiospermae
-
Dicotyledoneae
-
Artemisia (2)
-
Euphorbiaceae (1)
-
Hamamelididae (1)
-
Juglandaceae (1)
-
Lauraceae (2)
-
Leguminosae (1)
-
Pterocarya (1)
-
-
Monocotyledoneae
-
Cyperaceae (2)
-
Gramineae (7)
-
-
-
Gymnospermae
-
Coniferales
-
Cupressaceae (3)
-
Picea (2)
-
Pinaceae
-
Abies (1)
-
Pinus (4)
-
-
Taxodiaceae
-
Metasequoia (1)
-
Sequoia (1)
-
-
-
Cordaitales (2)
-
Cycadales (3)
-
Ginkgoales
-
Ginkgo (1)
-
-
Pteridospermae (3)
-
-
-
-
problematic fossils
-
problematic microfossils (9)
-
-
Pterobranchia (3)
-
thallophytes (60)
-
tracks (50)
-
trails (6)
-
-
geochronology methods
-
(U-Th)/He (52)
-
Ar/Ar (201)
-
exposure age (23)
-
fission-track dating (58)
-
He/He (5)
-
hydration of glass (2)
-
infrared stimulated luminescence (2)
-
K/Ar (137)
-
lichenometry (4)
-
Lu/Hf (15)
-
Nd/Nd (3)
-
optical mineralogy (4)
-
optically stimulated luminescence (25)
-
paleomagnetism (199)
-
Pb/Pb (25)
-
Pb/Th (3)
-
racemization (9)
-
radiation damage (7)
-
Rb/Sr (68)
-
Re/Os (10)
-
Sm/Nd (19)
-
Sr/Sr (2)
-
tephrochronology (35)
-
Th/Th (1)
-
Th/U (22)
-
thermochronology (68)
-
thermoluminescence (12)
-
tree rings (7)
-
U/Pb (323)
-
U/Th/Pb (17)
-
uranium disequilibrium (17)
-
-
geologic age
-
Cenozoic
-
Blancan (11)
-
Gila Conglomerate (3)
-
Glenns Ferry Formation (10)
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Iron Age (1)
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lower Cenozoic (3)
-
middle Cenozoic (5)
-
Quaternary
-
Clovis (3)
-
Cordilleran ice sheet (1)
-
Hat Creek Basalt (1)
-
Holocene
-
lower Holocene (7)
-
Medieval Warm Period (4)
-
Middle Ages (2)
-
middle Holocene (7)
-
Neoglacial
-
Little Ice Age (2)
-
-
upper Holocene
-
Little Ice Age (2)
-
Roman period (1)
-
-
-
lower Quaternary (2)
-
middle Quaternary (1)
-
Pleistocene
-
Bandelier Tuff (28)
-
Bishop Tuff (9)
-
Blackwater Draw Formation (10)
-
Champlain Sea (1)
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Illinoian (2)
-
Irvingtonian (4)
-
Lake Agassiz (5)
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Lake Algonquin (1)
-
Lake Lahontan (4)
-
Lake Missoula (7)
-
lower Pleistocene
-
Jaramillo Subchron (1)
-
-
Matuyama Chron (2)
-
middle Pleistocene (2)
-
Pearlette Volcanic Ash (4)
-
Peoria Loess (4)
-
upper Pleistocene
-
Lake Iroquois (1)
-
Rancholabrean (2)
-
Sangamonian (1)
-
Weichselian
-
upper Weichselian
-
Allerod (4)
-
Bolling (3)
-
Younger Dryas (11)
-
-
-
Wisconsinan
-
lower Wisconsinan (2)
-
upper Wisconsinan (4)
-
-
-
-
upper Quaternary
-
Brunhes Chron (1)
-
Bull Lake Glaciation (6)
-
Pinedale Glaciation (12)
-
-
-
Sierra Ladrones Formation (6)
-
Tertiary
-
Apache Leap Tuff (2)
-
Arikaree Group (17)
-
Arikareean (8)
-
Catahoula Formation (2)
-
Challis Volcanics (12)
-
Climax Porphyry (2)
-
Cypress Hills Formation (5)
-
Florissant Lake Beds (24)
-
John Day Formation (2)
-
lower Tertiary (47)
-
middle Tertiary (30)
-
Muddy Creek Formation (9)
-
Neogene
-
Bidahochi Formation (7)
-
Browns Park Formation (7)
-
Capistrano Formation (1)
-
Hemphillian (12)
-
Miocene
-
Ash Hollow Formation (11)
-
Astoria Formation (1)
-
Barstovian (18)
-
Clarendonian (9)
-
Columbia River Basalt Group (31)
-
Ellensburg Formation (2)
-
Fleming Formation (2)
-
Frenchman Springs Member (1)
-
Grande Ronde Basalt (11)
-
lower Miocene
-
Hemingfordian (6)
-
-
middle Miocene (18)
-
Paintbrush Tuff (3)
-
Peach Springs Tuff (9)
-
Picture Gorge Basalt (2)
-
Saddle Mountains Basalt (2)
-
Surma Group (1)
-
Topopah Spring Member (3)
-
upper Miocene
-
Messinian (2)
-
-
Valentine Formation (7)
-
Wanapum Basalt (4)
-
Wood Mountain Formation (1)
-
Zia Formation (3)
-
-
Ogallala Formation (38)
-
Pliocene
-
Cimmerian (1)
-
Gauss Chron (1)
-
lower Pliocene (15)
-
middle Pliocene (1)
-
upper Pliocene
-
Rexroad Formation (2)
-
-
-
Ringold Formation (2)
-
Salt Lake Formation (5)
-
Tesuque Formation (10)
-
upper Neogene (1)
-
-
Paleogene
-
Calvert Bluff Formation (1)
-
Chadron Formation (11)
-
Claron Formation (6)
-
Duchesne River Formation (12)
-
Eocene
-
Absaroka Supergroup (9)
-
Baca Formation (7)
-
Bridger Formation (13)
-
Bridgerian (16)
-
Clarno Formation (1)
-
Colton Formation (6)
-
Golden Valley Formation (5)
-
Green River Formation (213)
-
Lake Gosiute (25)
-
Lake Uinta (14)
-
lower Eocene
-
Wasatchian (23)
-
Willwood Formation (63)
-
Wind River Formation (16)
-
Ypresian
-
London Clay (1)
-
-
-
middle Eocene
-
Aycross Formation (8)
-
Bartonian (1)
-
Laney Shale Member (15)
-
Santee Limestone (1)
-
-
Parachute Creek Member (8)
-
Uintan (5)
-
upper Eocene
-
Chadronian (24)
-
La Meseta Formation (1)
-
Tepee Trail Formation (3)
-
Uinta Formation (12)
-
-
Wilkins Peak Member (19)
-
-
Flagstaff Formation (7)
-
Hanna Formation (16)
-
lower Paleogene (9)
-
Oligocene
-
Brule Formation (25)
-
Creede Formation (8)
-
Fish Canyon Tuff (18)
-
Fontainebleau Sandstone (1)
-
Frio Formation (3)
-
lower Oligocene (34)
-
middle Oligocene (3)
-
upper Oligocene (15)
-
Wiggins Formation (1)
-
-
Paleocene
-
Bullion Creek Formation (2)
-
Lebo Member (2)
-
lower Paleocene
-
Danian (7)
-
K-T boundary (63)
-
Puercan (23)
-
Torrejonian (22)
-
-
Ludlow Member (11)
-
middle Paleocene (6)
-
Montian (1)
-
Nacimiento Formation (16)
-
Pinyon Conglomerate (1)
-
Ravenscrag Formation (2)
-
Sentinel Butte Formation (3)
-
Tongue River Member (22)
-
Tullock Member (25)
-
upper Paleocene
-
Clarkforkian (7)
-
Thanetian (1)
-
Tiffanian (18)
-
-
-
Paleocene-Eocene Thermal Maximum (16)
-
Renova Formation (18)
-
Sespe Formation (1)
-
upper Paleogene (2)
-
Wasatch Formation (78)
-
White River Group (33)
-
Wilcox Group (8)
-
-
upper Tertiary (2)
-
-
upper Cenozoic (45)
-
Verde Formation (1)
-
Wildcat Group (1)
-
-
Coal Measures (1)
-
Lake Bonneville (48)
-
Laurentide ice sheet (6)
-
Mesozoic
-
Brunswick Formation (1)
-
Carrara Marble (1)
-
Cretaceous
-
Benton Formation (1)
-
Blairmore Group (1)
-
Colorado Group (11)
-
Comanchean
-
Buda Limestone (1)
-
Travis Peak Formation (2)
-
Washita Group (2)
-
-
Dakota Formation (74)
-
Graneros Shale (11)
-
Lower Cretaceous
-
Albian
-
lower Albian (1)
-
upper Albian (4)
-
-
Aptian (6)
-
Barremian (2)
-
Bear River Formation (7)
-
Blackleaf Formation (10)
-
Burro Canyon Formation (15)
-
Cedar Mountain Formation (28)
-
Cheyenne Sandstone (1)
-
Cloverly Formation (12)
-
Fall River Formation (8)
-
Gething Formation (2)
-
Inyan Kara Group (2)
-
Kiowa Formation (5)
-
Kootenay Formation (1)
-
Lagoa Feia Formation (1)
-
Lakota Formation (6)
-
Mannville Group (3)
-
McMurray Formation (1)
-
Mesa Rica Sandstone (3)
-
Mowry Shale (36)
-
Muddy Sandstone (24)
-
Neocomian (2)
-
Newcastle Sandstone (6)
-
Skull Creek Shale (9)
-
Torok Formation (1)
-
Travis Peak Formation (2)
-
-
Mancos Shale (114)
-
Middle Cretaceous (19)
-
Nanushuk Group (1)
-
Queen Charlotte Group (1)
-
Upper Cretaceous
-
Almond Formation (18)
-
Bearpaw Formation (13)
-
Belle Fourche Shale (7)
-
Belly River Formation (1)
-
Blackhawk Formation (63)
-
Blair Formation (1)
-
Bridge Creek Limestone Member (7)
-
Buda Limestone (1)
-
Campanian
-
Dinosaur Park Formation (2)
-
lower Campanian (4)
-
upper Campanian (9)
-
-
Cardium Formation (3)
-
Carlile Shale (23)
-
Castlegate Sandstone (34)
-
Cenomanian
-
Dunvegan Formation (1)
-
lower Cenomanian (1)
-
upper Cenomanian (5)
-
-
Codell Sandstone Member (14)
-
Cody Shale (11)
-
Coniacian (13)
-
Crevasse Canyon Formation (9)
-
Djadokhta Formation (1)
-
Eagle Sandstone (11)
-
Elkhorn Mountains Volcanics (5)
-
Ferron Sandstone Member (63)
-
Fort Hays Limestone Member (11)
-
Fox Hills Formation (36)
-
Frontier Formation (57)
-
Fruitland Formation (34)
-
Gallup Sandstone (20)
-
Gammon Ferruginous Member (3)
-
Greenhorn Limestone (29)
-
Gulfian
-
Aguja Formation (1)
-
Austin Chalk (3)
-
Eagle Ford Formation (6)
-
Navarro Group (1)
-
Taylor Marl (1)
-
Woodbine Formation (1)
-
-
Harebell Formation (3)
-
Hell Creek Formation (97)
-
Hilliard Shale (2)
-
Horseshoe Canyon Formation (3)
-
Judith River Formation (35)
-
Kaiparowits Formation (11)
-
Kirtland Shale (19)
-
K-T boundary (63)
-
La Ventana Sandstone (1)
-
Lance Formation (41)
-
Laramie Formation (12)
-
Lewis Shale (34)
-
Maestrichtian
-
upper Maestrichtian (6)
-
-
Maevarano Formation (2)
-
Menefee Formation (7)
-
Mesaverde Group (112)
-
Milk River Formation (3)
-
Montana Group (9)
-
Navesink Formation (1)
-
Niobrara Formation (81)
-
Ojo Alamo Sandstone (13)
-
Oldman Formation (2)
-
Parkman Sandstone (4)
-
Pictured Cliffs Sandstone (10)
-
Pierre Shale (89)
-
Point Lookout Sandstone (5)
-
Price River Formation (5)
-
Rock Springs Formation (4)
-
Saint Mary River Formation (2)
-
Santonian (15)
-
Schrader Bluff Formation (1)
-
Senonian (150)
-
Shannon Sandstone Member (10)
-
Sharon Springs Member (6)
-
Smoky Hill Chalk Member (15)
-
Star Point Sandstone (12)
-
Straight Cliffs Formation (21)
-
Sussex Sandstone Member (4)
-
Teapot Sandstone Member (2)
-
Tropic Shale (12)
-
Tununk Member (5)
-
Tuolumne Intrusive Suite (1)
-
Turonian
-
lower Turonian (3)
-
middle Turonian (4)
-
upper Turonian (1)
-
-
Tuscaloosa Formation (3)
-
Two Medicine Formation (33)
-
Wahweap Formation (8)
-
Wall Creek Member (7)
-
Williams Fork Formation (24)
-
-
Viking Formation (1)
-
-
Franciscan Complex (2)
-
Glen Canyon Group (11)
-
Great Valley Sequence (3)
-
Jurassic
-
Arapien Shale (6)
-
Aztec Sandstone (13)
-
Bazhenov Formation (1)
-
Carmel Formation (31)
-
Lower Jurassic
-
Hettangian (3)
-
lower Liassic (1)
-
Sinemurian (1)
-
Triassic-Jurassic boundary (2)
-
-
Middle Jurassic
-
Bajocian (7)
-
Bathonian (6)
-
Callovian (4)
-
Page Sandstone (12)
-
Summerville Formation (5)
-
Todilto Formation (8)
-
-
Norphlet Formation (1)
-
Opalinus Clay (1)
-
Oxford Clay (2)
-
Posidonia Shale (1)
-
San Rafael Group (4)
-
Solnhofen Limestone (1)
-
Twin Creek Limestone (15)
-
Upper Jurassic
-
Arab Formation (1)
-
Bossier Formation (2)
-
Brushy Basin Member (29)
-
Buckner Formation (1)
-
Cotton Valley Group (2)
-
Entrada Sandstone (47)
-
Haynesville Formation (2)
-
Kimmeridge Clay (1)
-
Kimmeridgian (2)
-
Morrison Formation (158)
-
Oxfordian (11)
-
Portlandian (3)
-
Salt Wash Sandstone Member (14)
-
Smackover Formation (3)
-
Stump Formation (5)
-
Sundance Formation (36)
-
Swift Formation (5)
-
Tithonian (4)
-
Westwater Canyon Sandstone Member (4)
-
-
-
Kayenta Formation (20)
-
lower Mesozoic (8)
-
McHugh Complex (1)
-
Moenave Formation (9)
-
Navajo Sandstone (91)
-
Newark Supergroup (3)
-
Nugget Sandstone (22)
-
Orocopia Schist (8)
-
Statfjord Formation (1)
-
Triassic
-
Lower Triassic
-
Dinwoody Formation (14)
-
Permian-Triassic boundary (9)
-
Smithian (5)
-
Spathian (9)
-
Thaynes Formation (22)
-
Werfenian (1)
-
-
Middle Triassic
-
Anisian (1)
-
Ladinian (2)
-
-
Moenkopi Formation (42)
-
Mole Granite (2)
-
Red Peak Formation (13)
-
Upper Triassic
-
Carnian (7)
-
Chinle Formation (84)
-
Crow Mountain Sandstone (1)
-
Dockum Group (12)
-
Keuper (1)
-
Lockatong Formation (2)
-
Luning Formation (2)
-
Molteno Formation (1)
-
Norian (16)
-
Petrified Forest Member (12)
-
Redonda Formation (2)
-
Revueltian (1)
-
Rhaetian (3)
-
Sag River Sandstone (1)
-
Santa Rosa Sandstone (2)
-
Shinarump Member (10)
-
Triassic-Jurassic boundary (2)
-
Yanchang Formation (1)
-
-
-
upper Mesozoic (4)
-
Wingate Sandstone (14)
-
-
MIS 5 (1)
-
Paleozoic
-
Berea Sandstone (1)
-
Bird Spring Formation (13)
-
Cambrian
-
Bonanza King Formation (2)
-
Brigham Group (7)
-
Carrara Formation (1)
-
Lower Cambrian
-
Kinzers Formation (1)
-
Poleta Formation (1)
-
Rome Formation (1)
-
Tommotian (2)
-
Zabriskie Quartzite (2)
-
-
Middle Cambrian
-
Bright Angel Shale (4)
-
Burgess Shale (10)
-
Flathead Sandstone (13)
-
Marjum Formation (12)
-
Wheeler Formation (21)
-
-
Pioche Shale (15)
-
Tapeats Sandstone (6)
-
Tintic Quartzite (4)
-
Upper Cambrian
-
Bonneterre Formation (1)
-
Dresbachian (2)
-
Franconia Formation (1)
-
Furongian
-
Jiangshanian (2)
-
Paibian (1)
-
-
Galesville Sandstone (1)
-
Lamotte Sandstone (2)
-
Nopah Formation (1)
-
Orr Formation (10)
-
Pilgrim Formation (4)
-
Potsdam Sandstone (1)
-
Steptoean (9)
-
Trempealeauan (2)
-
Wilberns Formation (2)
-
Wonewoc Formation (1)
-
-
-
Carboniferous
-
Amsden Formation (12)
-
Big Snowy Group (5)
-
Diamond Peak Formation (2)
-
Ely Limestone (6)
-
Jackfork Group (1)
-
Lower Carboniferous
-
Dinantian (9)
-
-
Manning Canyon Shale (5)
-
Middle Carboniferous (2)
-
Mississippian
-
Barnett Shale (5)
-
Bear Gulch Limestone Member (4)
-
Chainman Shale (4)
-
Charles Formation (9)
-
Harrodsburg Limestone (1)
-
Leadville Formation (12)
-
Lower Mississippian
-
Chappel Limestone (1)
-
Chouteau Limestone (1)
-
Joana Limestone (2)
-
Kinderhookian
-
Banff Formation (2)
-
-
Lake Valley Formation (11)
-
Lodgepole Formation (29)
-
Osagian
-
Burlington Limestone (2)
-
-
Tournaisian
-
upper Tournaisian (1)
-
-
-
Madison Group (66)
-
Middle Mississippian
-
Visean (5)
-
-
Mission Canyon Limestone (34)
-
Redwall Limestone (9)
-
Upper Mississippian
-
Chesterian
-
Imo Formation (2)
-
-
Fayetteville Formation (1)
-
Hartselle Sandstone (1)
-
Heath Formation (12)
-
Meramecian
-
Saint Louis Limestone (3)
-
Sainte Genevieve Limestone (2)
-
Salem Limestone (1)
-
-
Pennington Formation (1)
-
Serpukhovian (2)
-
-
Windsor Group (1)
-
-
Namurian (8)
-
Pennsylvanian
-
Francis Creek Shale (1)
-
Hermosa Group (13)
-
Lower Pennsylvanian
-
Bashkirian (2)
-
Morrowan
-
Bloyd Formation (1)
-
-
-
Mansfield Formation (1)
-
Marble Falls Group (1)
-
Middle Pennsylvanian
-
Allegheny Group (1)
-
Atokan
-
Atoka Formation (3)
-
-
Desmoinesian
-
Cherokee Group (3)
-
Marmaton Group (3)
-
-
Manakacha Formation (1)
-
Moscovian (4)
-
Paradox Formation (23)
-
-
Minturn Formation (19)
-
Monongahela Group (1)
-
Morrow Formation (13)
-
Pottsville Group (1)
-
Strawn Series (4)
-
Upper Pennsylvanian
-
Canyon Group (3)
-
Cisco Group (4)
-
Holder Formation (4)
-
Kasimovian (1)
-
Missourian
-
Kansas City Group (5)
-
Lansing Group (7)
-
-
Virgilian
-
Lawrence Formation (1)
-
Shawnee Group (2)
-
-
Wescogame Formation (2)
-
-
Watahomigi Formation (2)
-
-
Upper Carboniferous
-
Stephanian (1)
-
Westphalian (2)
-
-
-
Casper Formation (11)
-
Cow Head Group (1)
-
Deadwood Formation (14)
-
Devonian
-
Guilmette Formation (7)
-
Lost Burro Formation (1)
-
Lower Devonian
-
Emsian (4)
-
Pragian (1)
-
-
Middle Devonian
-
Eifelian (2)
-
Givetian (4)
-
Marcellus Shale (2)
-
Prairie Evaporite (3)
-
Winnipegosis Formation (5)
-
-
Miette Complex (1)
-
Old Red Sandstone (1)
-
Upper Devonian
-
Birdbear Formation (4)
-
Duperow Formation (16)
-
Famennian
-
upper Famennian (2)
-
Wabamun Group (2)
-
-
Frasnian
-
upper Frasnian (1)
-
-
Grosmont Formation (1)
-
Huron Member (1)
-
Jefferson Group (12)
-
Nisku Formation (5)
-
Ohio Shale (1)
-
Palliser Formation (4)
-
-
-
Exshaw Formation (4)
-
Hanson Creek Formation (2)
-
Honaker Trail Formation (3)
-
Hunton Group (2)
-
Laborcita Formation (6)
-
lower Paleozoic
-
Conococheague Formation (1)
-
-
Madera Formation (10)
-
Maroon Formation (14)
-
middle Paleozoic (4)
-
Minnelusa Formation (32)
-
New Albany Shale (1)
-
Oquirrh Formation (6)
-
Ordovician
-
Antelope Valley Limestone (2)
-
Ely Springs Dolomite (3)
-
Eureka Quartzite (4)
-
Lower Ordovician
-
Arenigian (4)
-
Beekmantown Group (1)
-
El Paso Group (4)
-
Ellenburger Group (7)
-
Fillmore Formation (20)
-
Floian (2)
-
Ibexian (13)
-
Manitou Formation (11)
-
Saint George Group (1)
-
Tremadocian (8)
-
-
Middle Ordovician
-
Darriwilian (1)
-
Llanvirnian (1)
-
Normanskill Formation (1)
-
Saint Peter Sandstone (2)
-
Simpson Group (1)
-
Swan Peak Formation (2)
-
Whiterockian (8)
-
Winnipeg Formation (4)
-
-
Montoya Group (8)
-
Pogonip Group (7)
-
Trenton Group (1)
-
Upper Ordovician
-
Ashgillian (1)
-
Bighorn Dolomite (19)
-
Caradocian (1)
-
Cincinnatian
-
Maysvillian (1)
-
Richmondian (2)
-
-
Fernvale Formation (1)
-
Fish Haven Dolomite (4)
-
Hirnantian (1)
-
Katian (1)
-
Red River Formation (19)
-
Trentonian (2)
-
Yeoman Formation (1)
-
-
Utica Shale (1)
-
Vinini Formation (1)
-
Viola Limestone (3)
-
-
Permian
-
Blaine Formation (2)
-
Castile Formation (6)
-
Chase Group (3)
-
Coconino Sandstone (14)
-
Council Grove Group (3)
-
Cutler Formation (32)
-
Esplanade Sandstone Member (1)
-
Glorieta Sandstone (1)
-
Guadalupian
-
Bell Canyon Formation (6)
-
Brushy Canyon Formation (8)
-
Capitan Formation (14)
-
Capitanian (1)
-
Cherry Canyon Formation (8)
-
Delaware Mountain Group (4)
-
Grayburg Formation (1)
-
Queen Formation (2)
-
Roadian (4)
-
Seven Rivers Formation (6)
-
Tansill Formation (12)
-
Ufimian (1)
-
Wordian (3)
-
-
Kaibab Formation (26)
-
Khuff Formation (1)
-
Lower Permian
-
Abo Formation (17)
-
Autunian (1)
-
Cherry Canyon Formation (8)
-
Cisuralian
-
Artinskian (3)
-
Asselian (1)
-
Kungurian (7)
-
Sakmarian (3)
-
-
Leonardian
-
Bone Spring Limestone (4)
-
Clear Fork Group (6)
-
-
Opeche Shale (3)
-
Wichita Group (5)
-
Wolfcampian
-
Hueco Limestone (6)
-
-
-
Lyons Sandstone (16)
-
Meade Peak Member (8)
-
Middle Permian (9)
-
Park City Formation (17)
-
Phosphoria Formation (55)
-
Retort Phosphatic Shale Member (3)
-
Rustler Formation (4)
-
Stone Corral Formation (1)
-
Toroweap Formation (7)
-
Upper Permian
-
Lopingian (1)
-
Permian-Triassic boundary (9)
-
Salado Formation (12)
-
Zechstein (1)
-
-
Wellington Formation (2)
-
Yates Formation (9)
-
Yeso Formation (9)
-
-
Pilot Shale (2)
-
Sauk Sequence (6)
-
Silurian
-
Fusselman Dolomite (1)
-
Henryhouse Formation (1)
-
Lower Silurian
-
Llandovery
-
Interlake Formation (4)
-
-
Tuscarora Formation (1)
-
-
Middle Silurian
-
Roberts Mountains Formation (5)
-
-
Niagaran (1)
-
Upper Silurian
-
Salina Group (1)
-
-
-
Supai Formation (13)
-
Tensleep Sandstone (41)
-
Tippecanoe Sequence (1)
-
upper Paleozoic
-
Admire Group (2)
-
Antrim Shale (2)
-
Bakken Formation (54)
-
Fountain Formation (26)
-
Kaskaskia Sequence (4)
-
Wood River Formation (4)
-
-
Weber Sandstone (12)
-
Wells Formation (5)
-
Woodford Shale (4)
-
-
Phanerozoic (44)
-
Precambrian
-
Archean
-
Eoarchean (1)
-
Gilman Formation (2)
-
J-M Reef (20)
-
Mesoarchean (4)
-
Neoarchean (24)
-
Paleoarchean (4)
-
-
Biwabik Iron Formation (1)
-
Chuar Group (20)
-
Eocambrian (3)
-
Gunflint Iron Formation (2)
-
Hadean (5)
-
Idaho Springs Formation (2)
-
Johnnie Formation (1)
-
Laramie anorthosite complex (19)
-
middle Precambrian (2)
-
Pahrump Series (2)
-
Prichard Formation (7)
-
Purcell System (9)
-
Sandia Granite (3)
-
Sioux Quartzite (2)
-
Spuhler Peak Formation (1)
-
Stillwater Complex (76)
-
Stirling Quartzite (3)
-
Transvaal Supergroup (1)
-
Uinta Mountain Group (12)
-
Unkar Group (14)
-
upper Precambrian
-
Proterozoic
-
Algonkian
-
Baraboo Quartzite (1)
-
-
Huronian (2)
-
Keweenawan (1)
-
McNamara Group (1)
-
Mesoproterozoic
-
Aldridge Formation (2)
-
Altyn Limestone (2)
-
Apache Group (6)
-
Belt Supergroup (79)
-
Bonner Formation (2)
-
Helena Formation (5)
-
Helikian (1)
-
Missoula Group (10)
-
Mount Shields Formation (1)
-
Newland Limestone (8)
-
Ravalli Group (4)
-
Revett Quartzite (4)
-
Roper Group (1)
-
Spokane Formation (2)
-
Wallace Formation (4)
-
-
Neoproterozoic
-
Cryogenian (5)
-
Dengying Formation (1)
-
Doushantuo Formation (1)
-
Ediacaran (4)
-
Hadrynian (1)
-
Marinoan (2)
-
McCoy Creek Group (4)
-
Sturtian (5)
-
Tonian (5)
-
Vendian (2)
-
Wilpena Group (1)
-
-
Ortega Group (11)
-
Paleoproterozoic (105)
-
Pocatello Formation (8)
-
Sinian
-
Dengying Formation (1)
-
Doushantuo Formation (1)
-
-
Windermere System (2)
-
-
-
Vadito Group (5)
-
Yellowjacket Formation (2)
-
-
-
igneous rocks
-
agglutinates (1)
-
extrusive rocks (1)
-
igneous rocks
-
carbonatites (17)
-
granophyre (4)
-
hypabyssal rocks (3)
-
kamafugite (1)
-
kimberlite (25)
-
peperite (2)
-
picrite (1)
-
plutonic rocks
-
alnoite (1)
-
anorthosite (25)
-
diabase
-
quartz diabase (2)
-
-
diorites
-
diorite porphyry (1)
-
ferrodiorite (1)
-
quartz diorites (9)
-
tonalite (6)
-
trondhjemite (1)
-
-
gabbros
-
alkali gabbros (2)
-
norite (3)
-
troctolite (5)
-
-
granites
-
adamellite (2)
-
alaskite (1)
-
alkali granites (1)
-
aplite (3)
-
A-type granites (8)
-
biotite granite (2)
-
charnockite (3)
-
felsite (2)
-
granite porphyry (3)
-
leucogranite (9)
-
monzogranite (6)
-
muscovite granite (4)
-
rapakivi (1)
-
two-mica granite (3)
-
-
granodiorites (25)
-
ijolite (1)
-
lamproite (17)
-
lamprophyres
-
camptonite (2)
-
minette (9)
-
monchiquite (1)
-
spessartite (2)
-
-
monzodiorite (3)
-
monzonites
-
mangerite (2)
-
-
pegmatite (125)
-
quartz monzonite (32)
-
syenites
-
albitite (2)
-
alkali syenites (1)
-
nepheline syenite (2)
-
quartz syenite (2)
-
shonkinite (4)
-
syenite porphyry (2)
-
-
ultramafics
-
chromitite (8)
-
peridotites
-
dunite (4)
-
garnet peridotite (1)
-
harzburgite (3)
-
lherzolite (2)
-
spinel lherzolite (3)
-
spinel peridotite (3)
-
-
pyroxenite
-
clinopyroxenite (1)
-
garnet pyroxenite (2)
-
orthopyroxenite (1)
-
websterite (3)
-
-
-
-
porphyry
-
vitrophyre (5)
-
-
volcanic rocks
-
adakites (2)
-
andesites
-
andesite porphyry (1)
-
boninite (1)
-
-
basalts
-
alkali basalts
-
alkali olivine basalt (3)
-
hawaiite (4)
-
mugearite (2)
-
trachybasalts (3)
-
-
columnar basalt (2)
-
flood basalts (10)
-
mid-ocean ridge basalts (1)
-
olivine basalt (1)
-
olivine tholeiite (5)
-
shoshonite (8)
-
tholeiite (4)
-
tholeiitic basalt (2)
-
-
basanite (9)
-
benmoreite (1)
-
dacites (23)
-
glasses
-
obsidian (8)
-
perlite (2)
-
volcanic glass (15)
-
-
komatiite (1)
-
latite (10)
-
nephelinite (3)
-
phonolites (8)
-
pyroclastics
-
ash-flow tuff (40)
-
ignimbrite (51)
-
pumice (12)
-
rhyolite tuff (13)
-
scoria (7)
-
tuff (153)
-
tuffite (1)
-
welded tuff (16)
-
-
quartz latite (4)
-
rhyodacites (6)
-
rhyolites
-
rhyolite porphyry (1)
-
-
trachyandesites
-
absarokite (3)
-
-
trachytes (8)
-
vitrophyre (5)
-
-
-
ophiolite (6)
-
volcanic ash (31)
-
-
metamorphic rocks
-
K-bentonite (4)
-
metabentonite (3)
-
metamorphic rocks
-
amphibolites
-
orthoamphibolite (1)
-
-
cataclasites (10)
-
eclogite (14)
-
gneisses
-
augen gneiss (1)
-
biotite gneiss (1)
-
granite gneiss (7)
-
orthogneiss (6)
-
paragneiss (2)
-
-
granulites (8)
-
hornfels (6)
-
impactites
-
impact breccia (2)
-
-
marbles (11)
-
metaigneous rocks
-
metabasalt (3)
-
metabasite (3)
-
metadiabase (8)
-
metagabbro (2)
-
metagranite (7)
-
metaperidotite (1)
-
metapyroxenite (1)
-
metarhyolite (2)
-
metatuff (1)
-
serpentinite (4)
-
-
metaplutonic rocks (4)
-
metasedimentary rocks
-
meta-arkose (2)
-
metachert (1)
-
metaconglomerate (2)
-
metagraywacke (6)
-
metalimestone (3)
-
metapelite (14)
-
metasandstone (5)
-
paragneiss (2)
-
-
metasomatic rocks
-
greisen (3)
-
propylite (1)
-
serpentinite (4)
-
skarn (24)
-
tactite (1)
-
-
metavolcanic rocks (21)
-
migmatites
-
agmatite (1)
-
anatexite (1)
-
-
mylonites
-
pseudotachylite (5)
-
ultramylonite (1)
-
-
phyllites (1)
-
phyllonites (1)
-
quartzites (50)
-
schists
-
biotite schist (1)
-
greenschist (1)
-
greenstone (2)
-
tourmalinite (1)
-
-
slates (3)
-
-
ophiolite (6)
-
turbidite (23)
-
-
meteorites
-
meteorites
-
iron meteorites
-
octahedrite
-
Canyon Diablo Meteorite (2)
-
-
-
stony meteorites
-
achondrites
-
Martian meteorites (2)
-
-
chondrites
-
carbonaceous chondrites
-
CM chondrites
-
Murchison Meteorite (1)
-
-
-
enstatite chondrites
-
EH chondrites
-
Abee Meteorite (1)
-
-
-
ordinary chondrites
-
L chondrites (1)
-
-
-
-
-
-
minerals
-
alloys
-
awaruite (1)
-
-
antimonides (1)
-
arsenates
-
adamite (1)
-
austinite (3)
-
beudantite (1)
-
conichalcite (3)
-
mimetite (7)
-
pharmacolite (3)
-
scorodite (2)
-
-
arsenides
-
arsenopyrite (4)
-
cobaltite (1)
-
lollingite (2)
-
maucherite (1)
-
sperrylite (1)
-
-
arsenites
-
mixite (1)
-
-
borates
-
ludwigite (1)
-
szaibelyite (1)
-
-
carbonates
-
ankerite (3)
-
aragonite (22)
-
azurite (2)
-
bastnaesite (7)
-
calcite (124)
-
cancrinite (1)
-
cerussite (5)
-
dahllite (1)
-
dawsonite (3)
-
dolomite (79)
-
hydrotalcite (1)
-
Iceland spar (3)
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ikaite (1)
-
leadhillite (5)
-
magnesian calcite (6)
-
magnesite (3)
-
malachite (5)
-
nahcolite (4)
-
norsethite (1)
-
parisite (1)
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phosgenite (2)
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rhodochrosite (7)
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shortite (2)
-
siderite (6)
-
strontianite (1)
-
thaumasite (1)
-
trona (14)
-
witherite (3)
-
-
chromates
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hemihedrite (4)
-
-
copper minerals (7)
-
halides
-
bromides (1)
-
chlorides
-
atacamite (2)
-
bideauxite (1)
-
carnallite (2)
-
halite (29)
-
kainite (1)
-
mimetite (7)
-
phosgenite (2)
-
pyromorphite (1)
-
sylvite (4)
-
vanadinite (6)
-
-
fluorides
-
bastnaesite (7)
-
bideauxite (1)
-
fluorite (26)
-
neighborite (1)
-
parisite (1)
-
topaz (14)
-
triplite (1)
-
villiaumite (1)
-
weberite (1)
-
zinnwaldite (1)
-
-
iodides (1)
-
zunyite (1)
-
-
hydrates (10)
-
K-bentonite (4)
-
manganese minerals (1)
-
metabentonite (3)
-
minerals (388)
-
molybdates
-
ferrimolybdite (1)
-
powellite (2)
-
umohoite (5)
-
wulfenite (8)
-
-
native elements
-
diamond (2)
-
graphite (9)
-
-
nitrates (2)
-
organic minerals
-
amber (4)
-
ozocerite (1)
-
urea (1)
-
-
oxalates
-
weddellite (1)
-
whewellite (2)
-
-
oxides
-
alexandrite (1)
-
aluminum oxides (2)
-
anatase (2)
-
armalcolite (1)
-
baddeleyite (9)
-
bixbyite (6)
-
boehmite (1)
-
brookite (1)
-
cassiterite (6)
-
chrome spinel (1)
-
chromite (12)
-
coronadite (2)
-
corundum (5)
-
cryptomelane (4)
-
cuprite (1)
-
diaspore (1)
-
ferrihydrite (4)
-
gahnite (3)
-
gibbsite (1)
-
goethite (11)
-
hematite (37)
-
hercynite (3)
-
hollandite (3)
-
hydroxides
-
iron hydroxides (3)
-
oxyhydroxides (3)
-
schoepite (2)
-
-
ilmenite (13)
-
iron oxides (28)
-
jacobsite (1)
-
lepidocrocite (2)
-
limonite (4)
-
maghemite (2)
-
magnetite (32)
-
manganese oxides (9)
-
niobates
-
aeschynite (1)
-
columbite (5)
-
euxenite (1)
-
fergusonite (1)
-
loparite (1)
-
samarskite (5)
-
tapiolite (2)
-
-
nordstrandite (1)
-
perovskite (3)
-
pitchblende (9)
-
pseudobrookite (5)
-
psilomelane (2)
-
pyrolusite (2)
-
ramsdellite (1)
-
rutile (7)
-
sapphire (6)
-
spinel (15)
-
spinel group (6)
-
tantalates
-
euxenite (1)
-
microlite (2)
-
stibiotantalite (1)
-
tantalite (4)
-
wodginite (1)
-
-
titanium oxides (3)
-
titanomagnetite (4)
-
todorokite (1)
-
uraninite (24)
-
vernadite (1)
-
zincite (1)
-
-
phosphates
-
amblygonite (1)
-
apatite (95)
-
autunite (1)
-
barbosalite (1)
-
carbonate apatite (1)
-
chlorapatite (2)
-
crandallite (3)
-
dahllite (1)
-
fluorapatite (7)
-
francolite (3)
-
goyazite (4)
-
graftonite (1)
-
hureaulite (2)
-
hydroxylapatite (3)
-
lazulite (1)
-
lithiophilite (1)
-
monazite (43)
-
montebrasite (3)
-
pyromorphite (1)
-
rockbridgeite (1)
-
sarcopside (1)
-
strengite (2)
-
struvite (5)
-
triphylite (2)
-
triplite (1)
-
turquoise (8)
-
variscite (4)
-
vivianite (3)
-
wavellite (3)
-
xenotime (10)
-
-
platinum minerals (7)
-
selenates (3)
-
selenides (1)
-
selenites (3)
-
silicates
-
aluminosilicates (7)
-
asbestos (5)
-
chain silicates
-
aenigmatite group
-
aenigmatite (1)
-
sapphirine (1)
-
-
amphibole group
-
alkalic amphibole (1)
-
clinoamphibole
-
actinolite (4)
-
arfvedsonite (1)
-
cummingtonite (2)
-
hastingsite (2)
-
hornblende (42)
-
kaersutite (2)
-
magnesioriebeckite (1)
-
nephrite (1)
-
pargasite (2)
-
richterite (4)
-
riebeckite (2)
-
tremolite (1)
-
-
orthoamphibole
-
anthophyllite (3)
-
gedrite (3)
-
holmquistite (1)
-
-
-
astrophyllite (1)
-
charoite (1)
-
jade (1)
-
leucosphenite (1)
-
pyroxene group
-
clinopyroxene
-
aegirine (1)
-
augite (3)
-
diopside (6)
-
fassaite (1)
-
johannsenite (2)
-
omphacite (1)
-
spodumene (6)
-
titanaugite (1)
-
-
orthopyroxene
-
enstatite (3)
-
hypersthene (1)
-
-
-
rhodonite group
-
rhodonite (1)
-
-
shattuckite (3)
-
tobermorite (1)
-
wollastonite group
-
wollastonite (2)
-
-
-
framework silicates
-
cancrinite (1)
-
danburite (2)
-
feldspar group
-
alkali feldspar
-
adularia (6)
-
amazonite (1)
-
anorthoclase (2)
-
hyalophane (1)
-
K-feldspar (33)
-
microcline (11)
-
moonstone (1)
-
orthoclase (3)
-
perthite (2)
-
sanidine (56)
-
-
barium feldspar
-
hyalophane (1)
-
-
plagioclase
-
albite (13)
-
bytownite (1)
-
oligoclase (1)
-
peristerite (1)
-
reedmergnerite (2)
-
-
-
leucite (3)
-
myrmekite (1)
-
nepheline group
-
nepheline (3)
-
-
pseudoleucite (1)
-
scapolite group
-
scapolite (1)
-
-
silica minerals
-
agate (3)
-
amethyst (2)
-
chalcedony (6)
-
coesite (2)
-
cristobalite (3)
-
jasper (1)
-
lechatelierite (1)
-
moganite (1)
-
opal
-
opal-A (4)
-
opal-CT (4)
-
-
quartz
-
alpha quartz (1)
-
smoky quartz (2)
-
-
stishovite (1)
-
tridymite (4)
-
-
sodalite group
-
genthelvite (4)
-
helvite (7)
-
lazurite (2)
-
sodalite (2)
-
-
zeolite group
-
analcime (12)
-
chabazite (2)
-
clinoptilolite (10)
-
erionite (2)
-
harmotome (1)
-
heulandite (3)
-
laumontite (4)
-
mordenite (7)
-
natrolite (1)
-
offretite (2)
-
phillipsite (1)
-
pollucite (1)
-
thomsonite (1)
-
-
-
orthosilicates
-
nesosilicates
-
andalusite (12)
-
braunite (2)
-
britholite group (1)
-
chloritoid (3)
-
datolite group
-
gadolinite (2)
-
-
dumortierite (4)
-
euclase (1)
-
garnet group
-
almandine (2)
-
andradite (4)
-
grossular (6)
-
hydrogarnet (2)
-
pyrope (5)
-
spessartine (3)
-
uvarovite (1)
-
-
kyanite (5)
-
mullite (1)
-
olivine group
-
fayalite (1)
-
monticellite (1)
-
olivine (24)
-
-
phenakite group
-
phenakite (1)
-
willemite (4)
-
-
sillimanite (14)
-
staurolite (12)
-
thaumasite (1)
-
titanite group
-
titanite (18)
-
-
titanoclinohumite (1)
-
topaz (14)
-
viridine (1)
-
zircon group
-
coffinite (12)
-
thorite (2)
-
zircon (322)
-
-
-
sorosilicates
-
axinite group (1)
-
bertrandite (2)
-
chevkinite group
-
chevkinite (1)
-
perrierite (1)
-
-
epidote group
-
allanite (12)
-
clinozoisite (2)
-
epidote (6)
-
piemontite (2)
-
zoisite (1)
-
-
lawsonite (1)
-
melilite group
-
melilite (1)
-
-
thalenite (1)
-
thortveitite group
-
thortveitite (1)
-
-
zunyite (1)
-
-
-
ring silicates
-
aquamarine (1)
-
beryl (14)
-
cordierite (9)
-
emerald (3)
-
milarite group
-
osumilite (2)
-
-
tourmaline group
-
foitite (1)
-
schorl (1)
-
-
-
sheet silicates
-
cerolite (1)
-
chlorite group
-
chamosite (1)
-
chlorite (33)
-
clinochlore (1)
-
-
clay minerals
-
beidellite (6)
-
chrysocolla (5)
-
dickite (4)
-
halloysite (5)
-
hectorite (2)
-
hisingerite (1)
-
kaolinite (42)
-
montmorillonite (38)
-
nacrite (1)
-
nontronite (3)
-
saponite (4)
-
smectite (73)
-
stevensite (2)
-
vermiculite (6)
-
-
clintonite (2)
-
corrensite (5)
-
hydrobiotite (1)
-
illite (73)
-
magadiite (2)
-
margarite (1)
-
mica group
-
annite (1)
-
biotite (96)
-
celadonite (4)
-
glauconite (4)
-
lepidolite (2)
-
muscovite (36)
-
phengite (1)
-
phlogopite (10)
-
zinnwaldite (1)
-
-
palygorskite (1)
-
petalite (1)
-
rectorite (1)
-
sepiolite (4)
-
sericite (14)
-
serpentine group
-
berthierine (1)
-
cronstedtite (1)
-
serpentine (5)
-
-
talc (5)
-
-
-
sulfates
-
alum (1)
-
alunite (13)
-
anglesite (1)
-
anhydrite (37)
-
barite (15)
-
bassanite (4)
-
beudantite (1)
-
brochantite (3)
-
celestine (2)
-
chalcanthite (4)
-
copiapite (1)
-
coquimbite (2)
-
epsomite (1)
-
glauberite (1)
-
gypsum (43)
-
halotrichite (4)
-
hexahydrite (2)
-
iron sulfates (1)
-
jarosite (8)
-
kainite (1)
-
kieserite (1)
-
langbeinite (1)
-
lazurite (2)
-
leadhillite (5)
-
melanterite (2)
-
mirabilite (1)
-
pickeringite (1)
-
polyhalite (1)
-
posnjakite (1)
-
roemerite (3)
-
rozenite (3)
-
schwertmannite (1)
-
selenite (1)
-
svanbergite (1)
-
thaumasite (1)
-
thenardite (2)
-
voltaite (4)
-
-
sulfides
-
aikinite (2)
-
alabandite (1)
-
argentite (2)
-
arsenopyrite (4)
-
bismuthinite (1)
-
bornite (7)
-
chalcocite (3)
-
chalcopyrite (18)
-
cinnabar (1)
-
cobaltite (1)
-
cooperite (2)
-
copper sulfides (4)
-
covellite (2)
-
cubanite (2)
-
digenite (2)
-
galena (26)
-
genthelvite (4)
-
greigite (1)
-
heazlewoodite (2)
-
helvite (7)
-
iron sulfides (7)
-
jordisite (1)
-
kesterite (1)
-
laurite (2)
-
lazurite (2)
-
marcasite (5)
-
molybdenite (22)
-
nickel sulfides (2)
-
orpiment (1)
-
pentlandite (8)
-
pyrite (45)
-
pyrrhotite (14)
-
realgar (1)
-
sphalerite (17)
-
stibnite (1)
-
stromeyerite (1)
-
tetradymite (4)
-
violarite (2)
-
-
sulfosalts
-
sulfantimonites
-
boulangerite (3)
-
bournonite (4)
-
geocronite (1)
-
semseyite (1)
-
tetrahedrite (6)
-
-
sulfarsenates
-
enargite (2)
-
-
sulfarsenites
-
geocronite (1)
-
jordanite (3)
-
proustite (1)
-
seligmannite (1)
-
tennantite (3)
-
-
sulfobismuthites
-
matildite (1)
-
-
sulfogermanates
-
renierite (1)
-
-
sulfostannates
-
stannite (3)
-
-
sulfovanadates
-
sulvanite (3)
-
-
-
tellurates (10)
-
tellurides
-
altaite (1)
-
calaverite (6)
-
hessite (2)
-
sylvanite (4)
-
tetradymite (4)
-
-
tellurites (7)
-
tungstates
-
ferberite (1)
-
scheelite (6)
-
stolzite (2)
-
wolframite (5)
-
-
uranium minerals (44)
-
vanadates
-
carnotite (5)
-
descloizite (1)
-
vanadinite (6)
-
volborthite (1)
-
-
-
Primary terms
-
absolute age (860)
-
academic institutions (2)
-
Africa
-
Afar (2)
-
Cape Verde Islands (1)
-
Central Africa
-
Angola (1)
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Congo (1)
-
Congo Democratic Republic (2)
-
Gabon (1)
-
-
East Africa
-
Ethiopia (2)
-
Kenya (3)
-
Sudan (1)
-
Tanzania (3)
-
Turkana Basin (1)
-
-
East African Rift (1)
-
Madagascar (2)
-
Nile Valley (2)
-
North Africa
-
Algeria
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Ahaggar (1)
-
-
Egypt (2)
-
Morocco
-
Tarfaya Morocco (1)
-
-
Tunisia (1)
-
Western Sahara (1)
-
-
Nubian Shield (1)
-
Sahara (1)
-
Southern Africa
-
Kaapvaal Craton (4)
-
Karoo Basin (1)
-
Lesotho (1)
-
Namaqualand (1)
-
Namibia
-
Tsumeb Namibia (1)
-
-
South Africa
-
Bushveld Complex (7)
-
Cape fold belt (1)
-
Cape Province region (1)
-
Merensky Reef (1)
-
Northern Cape Province South Africa
-
Kimberley South Africa (1)
-
-
Transvaal region (4)
-
Witwatersrand (1)
-
-
Zimbabwe
-
Great Dyke (2)
-
-
-
West Africa
-
Cameroon (1)
-
Chad (1)
-
Ghana
-
Bosumtwi Crater (1)
-
-
Guinea (2)
-
Mauritania (1)
-
Niger (1)
-
Nigeria
-
Niger Delta (1)
-
-
-
-
Antarctica
-
Antarctic ice sheet (1)
-
Antarctic Peninsula (1)
-
East Antarctica (2)
-
Ellsworth Land
-
Ellsworth Mountains (1)
-
-
Queen Maud Land (1)
-
Victoria Land
-
Allan Hills (1)
-
-
West Antarctica (1)
-
-
Arctic Ocean
-
Barents Sea (1)
-
Norwegian Sea
-
Jan Mayen Ridge (1)
-
-
-
Arctic region
-
Greenland
-
East Greenland (2)
-
Greenland ice sheet (2)
-
Jameson Land (1)
-
Skaergaard Intrusion (1)
-
West Greenland (1)
-
-
Russian Arctic
-
Novaya Zemlya (1)
-
-
Svalbard
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Spitsbergen (2)
-
-
-
asbestos deposits (1)
-
Asia
-
Arabian Peninsula
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Arabian Shield (1)
-
Kuwait (3)
-
Oman (2)
-
Qatar (1)
-
Saudi Arabia (5)
-
United Arab Emirates
-
Abu Dhabi (1)
-
-
-
Brahmaputra River (2)
-
Central Asia
-
Fergana Basin (1)
-
Kazakhstan
-
Central Kazakhstan (1)
-
-
Pamirs (1)
-
-
Far East
-
Borneo
-
East Malaysia
-
Sarawak Malaysia (1)
-
-
Kalimantan Indonesia
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Mahakam Delta (1)
-
-
-
Burma (1)
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Cambodia (1)
-
China
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Dabie Mountains (1)
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Guizhou China (1)
-
Hubei China
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Jianghan Basin (1)
-
-
Hunan China (1)
-
Inner Mongolia China (3)
-
North China Platform (1)
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Ordos Basin (1)
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Qaidam Basin (1)
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Qilian Mountains (1)
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Qinghai China (2)
-
Shaanxi China (1)
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Shandong China (1)
-
Sichuan China (1)
-
Songliao Basin (1)
-
South China Block (1)
-
Sulu Terrane (1)
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Xinjiang China
-
Junggar (1)
-
Junggar Basin (3)
-
Tarim Basin (1)
-
-
Xizang China (3)
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Yunnan China
-
Chengjiang China (1)
-
-
-
Indonesia
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Java (1)
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Kalimantan Indonesia
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Mahakam Delta (1)
-
-
-
Japan
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Honshu
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Fukushima Japan (1)
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Gumma Japan (1)
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Matsushiro Japan (1)
-
-
Kyushu (2)
-
-
Korea
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South Korea (3)
-
-
Laos (1)
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Lesser Sunda Islands
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Timor (2)
-
-
Malaysia
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East Malaysia
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Sarawak Malaysia (1)
-
-
-
Mongolia (3)
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Philippine Islands
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Luzon
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Mount Pinatubo (2)
-
-
-
Taiwan (2)
-
Thailand (4)
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Vietnam (2)
-
-
Gobi Desert (1)
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Himalayas (6)
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Hindu Kush (1)
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Indian Peninsula
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Afghanistan
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Kabul Afghanistan (1)
-
-
Bangladesh (1)
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Bengal (1)
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Bhutan (1)
-
India
-
Dharwar Craton (1)
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Karnataka India
-
Kolar Gold Fields India (1)
-
-
Maharashtra India
-
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Djadokhta Formation (1)
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Eagle Sandstone (11)
-
Elkhorn Mountains Volcanics (5)
-
Ferron Sandstone Member (63)
-
Fort Hays Limestone Member (11)
-
Fox Hills Formation (36)
-
Frontier Formation (57)
-
Fruitland Formation (34)
-
Gallup Sandstone (20)
-
Gammon Ferruginous Member (3)
-
Greenhorn Limestone (29)
-
Gulfian
-
Aguja Formation (1)
-
Austin Chalk (3)
-
Eagle Ford Formation (6)
-
Navarro Group (1)
-
Taylor Marl (1)
-
Woodbine Formation (1)
-
-
Harebell Formation (3)
-
Hell Creek Formation (97)
-
Hilliard Shale (2)
-
Horseshoe Canyon Formation (3)
-
Judith River Formation (35)
-
Kaiparowits Formation (11)
-
Kirtland Shale (19)
-
K-T boundary (63)
-
La Ventana Sandstone (1)
-
Lance Formation (41)
-
Laramie Formation (12)
-
Lewis Shale (34)
-
Maestrichtian
-
upper Maestrichtian (6)
-
-
Maevarano Formation (2)
-
Menefee Formation (7)
-
Mesaverde Group (112)
-
Milk River Formation (3)
-
Montana Group (9)
-
Navesink Formation (1)
-
Niobrara Formation (81)
-
Ojo Alamo Sandstone (13)
-
Oldman Formation (2)
-
Parkman Sandstone (4)
-
Pictured Cliffs Sandstone (10)
-
Pierre Shale (89)
-
Point Lookout Sandstone (5)
-
Price River Formation (5)
-
Rock Springs Formation (4)
-
Saint Mary River Formation (2)
-
Santonian (15)
-
Schrader Bluff Formation (1)
-
Senonian (150)
-
Shannon Sandstone Member (10)
-
Sharon Springs Member (6)
-
Smoky Hill Chalk Member (15)
-
Star Point Sandstone (12)
-
Straight Cliffs Formation (21)
-
Sussex Sandstone Member (4)
-
Teapot Sandstone Member (2)
-
Tropic Shale (12)
-
Tununk Member (5)
-
Tuolumne Intrusive Suite (1)
-
Turonian
-
lower Turonian (3)
-
middle Turonian (4)
-
upper Turonian (1)
-
-
Tuscaloosa Formation (3)
-
Two Medicine Formation (33)
-
Wahweap Formation (8)
-
Wall Creek Member (7)
-
Williams Fork Formation (24)
-
-
Viking Formation (1)
-
-
Franciscan Complex (2)
-
Glen Canyon Group (11)
-
Great Valley Sequence (3)
-
Jurassic
-
Arapien Shale (6)
-
Aztec Sandstone (13)
-
Bazhenov Formation (1)
-
Carmel Formation (31)
-
Lower Jurassic
-
Hettangian (3)
-
lower Liassic (1)
-
Sinemurian (1)
-
Triassic-Jurassic boundary (2)
-
-
Middle Jurassic
-
Bajocian (7)
-
Bathonian (6)
-
Callovian (4)
-
Page Sandstone (12)
-
Summerville Formation (5)
-
Todilto Formation (8)
-
-
Norphlet Formation (1)
-
Opalinus Clay (1)
-
Oxford Clay (2)
-
Posidonia Shale (1)
-
San Rafael Group (4)
-
Solnhofen Limestone (1)
-
Twin Creek Limestone (15)
-
Upper Jurassic
-
Arab Formation (1)
-
Bossier Formation (2)
-
Brushy Basin Member (29)
-
Buckner Formation (1)
-
Cotton Valley Group (2)
-
Entrada Sandstone (47)
-
Haynesville Formation (2)
-
Kimmeridge Clay (1)
-
Kimmeridgian (2)
-
Morrison Formation (158)
-
Oxfordian (11)
-
Portlandian (3)
-
Salt Wash Sandstone Member (14)
-
Smackover Formation (3)
-
Stump Formation (5)
-
Sundance Formation (36)
-
Swift Formation (5)
-
Tithonian (4)
-
Westwater Canyon Sandstone Member (4)
-
-
-
Kayenta Formation (20)
-
lower Mesozoic (8)
-
McHugh Complex (1)
-
Moenave Formation (9)
-
Navajo Sandstone (91)
-
Newark Supergroup (3)
-
Nugget Sandstone (22)
-
Orocopia Schist (8)
-
Statfjord Formation (1)
-
Triassic
-
Lower Triassic
-
Dinwoody Formation (14)
-
Permian-Triassic boundary (9)
-
Smithian (5)
-
Spathian (9)
-
Thaynes Formation (22)
-
Werfenian (1)
-
-
Middle Triassic
-
Anisian (1)
-
Ladinian (2)
-
-
Moenkopi Formation (42)
-
Mole Granite (2)
-
Red Peak Formation (13)
-
Upper Triassic
-
Carnian (7)
-
Chinle Formation (84)
-
Crow Mountain Sandstone (1)
-
Dockum Group (12)
-
Keuper (1)
-
Lockatong Formation (2)
-
Luning Formation (2)
-
Molteno Formation (1)
-
Norian (16)
-
Petrified Forest Member (12)
-
Redonda Formation (2)
-
Revueltian (1)
-
Rhaetian (3)
-
Sag River Sandstone (1)
-
Santa Rosa Sandstone (2)
-
Shinarump Member (10)
-
Triassic-Jurassic boundary (2)
-
Yanchang Formation (1)
-
-
-
upper Mesozoic (4)
-
Wingate Sandstone (14)
-
-
metal ores
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aluminum ores (1)
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antimony ores (2)
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arsenic ores (3)
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base metals (31)
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beryllium ores (6)
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bismuth ores (1)
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chromite ores (3)
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cobalt ores (17)
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copper ores (205)
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gold ores (169)
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iron ores (17)
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lead ores (50)
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lead-zinc deposits (28)
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lithium ores (1)
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magnesium ores (1)
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manganese ores (7)
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mercury ores (3)
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molybdenum ores (91)
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nickel ores (6)
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niobium ores (4)
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palladium ores (10)
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platinum ores (24)
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polymetallic ores (47)
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pyrite ores (5)
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rare earth deposits (19)
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silver ores (108)
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tantalum ores (3)
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tellurium ores (2)
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thorium ores (5)
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tin ores (9)
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titanium ores (5)
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tungsten ores (19)
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uranium ores (226)
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vanadium ores (33)
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zinc ores (42)
-
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metals
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actinides
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plutonium (2)
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thorium
-
Th-230 (2)
-
Th-232 (1)
-
-
uranium
-
U-234 (1)
-
U-235 (1)
-
U-238 (3)
-
U-238/Pb-204 (1)
-
U-238/Pb-206 (1)
-
U-238/U-234 (3)
-
-
-
alkali metals
-
cesium
-
Cs-137 (2)
-
-
lithium
-
Li-6 (1)
-
Li-7 (1)
-
Li-7/Li-6 (1)
-
-
potassium (26)
-
rubidium
-
Rb-87/Sr-86 (2)
-
-
sodium (25)
-
-
alkaline earth metals
-
barium (13)
-
beryllium
-
Be-10 (27)
-
Be-10/Be-9 (1)
-
-
calcium
-
Mg/Ca (1)
-
-
magnesium
-
Mg/Ca (1)
-
-
radium
-
Ra-226 (1)
-
-
strontium
-
Rb-87/Sr-86 (2)
-
Sr-87/Sr-86 (137)
-
Sr-90 (3)
-
-
-
aluminum
-
Al-26 (8)
-
-
antimony (3)
-
arsenic (6)
-
bismuth (4)
-
cadmium (5)
-
chromium (8)
-
cobalt (8)
-
copper (103)
-
gallium (2)
-
germanium (1)
-
gold (57)
-
hafnium
-
Hf-177/Hf-176 (14)
-
-
iron
-
Fe-56 (1)
-
ferric iron (14)
-
ferrous iron (8)
-
-
lead
-
Pb-204 (1)
-
Pb-206/Pb-204 (35)
-
Pb-207 (1)
-
Pb-207/Pb-204 (26)
-
Pb-207/Pb-206 (7)
-
Pb-208 (1)
-
Pb-208/Pb-204 (21)
-
Pb-208/Pb-206 (1)
-
Pb-210 (1)
-
U-238/Pb-204 (1)
-
U-238/Pb-206 (1)
-
-
manganese (27)
-
mercury (7)
-
molybdenum (20)
-
nickel (19)
-
niobium (10)
-
platinum group
-
iridium (11)
-
osmium
-
Os-188/Os-187 (7)
-
Re-187/Os-188 (3)
-
-
palladium (12)
-
palladium ores (10)
-
platinum (14)
-
platinum ores (24)
-
rhodium (4)
-
ruthenium (3)
-
-
precious metals (23)
-
rare earths
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cerium (12)
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dysprosium (1)
-
europium (4)
-
lanthanum (3)
-
lutetium (2)
-
neodymium
-
Nd-144/Nd-143 (63)
-
Sm-147/Nd-144 (6)
-
-
samarium
-
Sm-147/Nd-144 (6)
-
-
scandium (5)
-
ytterbium (5)
-
yttrium (15)
-
-
rhenium
-
Re-187/Os-188 (3)
-
-
silver (50)
-
tantalum (3)
-
thallium (1)
-
tin (6)
-
titanium (18)
-
tungsten (10)
-
vanadium (26)
-
zinc (38)
-
zirconium (8)
-
-
metamorphic rocks
-
amphibolites
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orthoamphibolite (1)
-
-
cataclasites (10)
-
eclogite (14)
-
gneisses
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augen gneiss (1)
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biotite gneiss (1)
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granite gneiss (7)
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orthogneiss (6)
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paragneiss (2)
-
-
granulites (8)
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hornfels (6)
-
impactites
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impact breccia (2)
-
-
marbles (11)
-
metaigneous rocks
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metabasalt (3)
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metabasite (3)
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metadiabase (8)
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metagabbro (2)
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metagranite (7)
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metaperidotite (1)
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metapyroxenite (1)
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metarhyolite (2)
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metatuff (1)
-
serpentinite (4)
-
-
metaplutonic rocks (4)
-
metasedimentary rocks
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meta-arkose (2)
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metachert (1)
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metaconglomerate (2)
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metagraywacke (6)
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metalimestone (3)
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metapelite (14)
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metasandstone (5)
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paragneiss (2)
-
-
metasomatic rocks
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greisen (3)
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propylite (1)
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serpentinite (4)
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skarn (24)
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tactite (1)
-
-
metavolcanic rocks (21)
-
migmatites
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agmatite (1)
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anatexite (1)
-
-
mylonites
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pseudotachylite (5)
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ultramylonite (1)
-
-
phyllites (1)
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phyllonites (1)
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quartzites (50)
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schists
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biotite schist (1)
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greenschist (1)
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greenstone (2)
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tourmalinite (1)
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-
slates (3)
-
-
metamorphism (319)
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metasomatism (356)
-
meteorites
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iron meteorites
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octahedrite
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Canyon Diablo Meteorite (2)
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-
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stony meteorites
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achondrites
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Martian meteorites (2)
-
-
chondrites
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carbonaceous chondrites
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CM chondrites
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Murchison Meteorite (1)
-
-
-
enstatite chondrites
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EH chondrites
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Abee Meteorite (1)
-
-
-
ordinary chondrites
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L chondrites (1)
-
-
-
-
-
meteorology (4)
-
Mexico
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Baja California (7)
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Baja California Mexico (2)
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Chihuahua Mexico (8)
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Coahuila Mexico (4)
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Colorado River delta (1)
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Durango Mexico
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Mapimi Mexico (1)
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-
Guanajuato Mexico (1)
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Michoacan Mexico
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Paricutin (1)
-
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Sierra Madre Occidental (4)
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Sinaloa Mexico (1)
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Sonora Mexico
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La Caridad Mine (1)
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Tamaulipas Mexico (2)
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Yucatan Mexico (1)
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-
micropaleontology (5)
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mineral deposits, genesis (736)
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mineral exploration (191)
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mineral resources (29)
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mineralogy (683)
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minerals (388)
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mining geology (51)
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Mohorovicic discontinuity (42)
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Moon (9)
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mud volcanoes (2)
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museums (12)
-
nitrogen
-
N-15/N-14 (2)
-
-
noble gases
-
argon
-
Ar-36 (2)
-
Ar-40/Ar-39 (8)
-
-
helium
-
He-3 (12)
-
He-4 (2)
-
He-4/He-3 (4)
-
-
krypton
-
Kr-84 (1)
-
-
neon
-
Ne-20 (2)
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Ne-21 (3)
-
Ne-22/Ne-20 (1)
-
-
radon
-
Rn-220 (2)
-
Rn-222 (4)
-
-
xenon
-
Xe-136/Xe-130 (1)
-
-
-
nodules (5)
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nonmetal deposits (2)
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nonmetals (1)
-
North America
-
Appalachian Basin (11)
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Appalachians
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Appalachian Plateau (1)
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Central Appalachians (1)
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Northern Appalachians (1)
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Piedmont (1)
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Southern Appalachians (1)
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Valley and Ridge Province (1)
-
-
Basin and Range Province
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Great Basin (115)
-
-
Belt Basin (21)
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Canadian Shield
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Churchill Province
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Hearne Province (6)
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Snowbird tectonic zone (1)
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-
Grenville Province (4)
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Slave Province (2)
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Superior Province
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Abitibi Belt (1)
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Pontiac Subprovince (1)
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-
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Chihuahuan Desert (3)
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Dakota Aquifer (1)
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Denali Fault (2)
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Detroit River (1)
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Disturbed Belt (11)
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Glacier National Park (15)
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Great Lakes
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Lake Erie (1)
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Lake Ontario (1)
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Lake Superior (1)
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Great Lakes region (4)
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Great Plains
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Northern Great Plains (38)
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Southern Great Plains (32)
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Grenville Front (2)
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Gulf Coastal Plain (32)
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Hueco Bolson (1)
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Keweenawan Rift (4)
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Kootenay Arc (2)
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Lake of the Woods (1)
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Michigan Basin (5)
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Missouri River basin (1)
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North American Cordillera
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Canadian Cordillera (6)
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North American Craton (6)
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Pedregosa Basin (9)
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Peninsular Ranges Batholith (1)
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Purcell Mountains (6)
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Rio Grande Depression (5)
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Rio Grande Rift (186)
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Rocky Mountain Trench (2)
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Rocky Mountains
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Canadian Rocky Mountains (6)
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U. S. Rocky Mountains
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Absaroka Range
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Beartooth Mountains (52)
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Big Belt Mountains (5)
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Bighorn Mountains (80)
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Bitterroot Range
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Beaverhead Mountains (12)
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Bridger Range (11)
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Flint Creek Range (2)
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Laramie Mountains (39)
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Little Belt Mountains (13)
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Medicine Bow Mountains (46)
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Owl Creek Mountains (18)
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San Juan Mountains
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Creede Caldera (6)
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Sangre de Cristo Mountains (55)
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Sawatch Range
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Mount Antero (2)
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Spanish Peaks (10)
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Tendoy Range (3)
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Tobacco Root Mountains (11)
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Uinta Mountains (52)
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Wasatch Range (58)
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Wet Mountains (27)
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Wind River Range (74)
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Rocky Mountains foreland (43)
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Saint Lawrence Valley (1)
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Sonoran Desert (13)
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Sweetgrass Arch (16)
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Western Interior
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Western Overthrust Belt (64)
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Ocean Drilling Program
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Leg 113 (1)
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Leg 162
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ocean floors (6)
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Oceania
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oceanography (3)
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oxygen
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dissolved oxygen (3)
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Pacific Coast (7)
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Pacific Ocean
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East Pacific
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North Pacific
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Cascadia Basin (1)
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Northwest Pacific
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South China Sea
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South Pacific
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West Pacific
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Northwest Pacific
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paleobotany (80)
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paleoclimatology (393)
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paleoecology (465)
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paleogeography (584)
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paleomagnetism (199)
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paleontology (950)
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Paleozoic
-
Berea Sandstone (1)
-
Bird Spring Formation (13)
-
Cambrian
-
Bonanza King Formation (2)
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Brigham Group (7)
-
Carrara Formation (1)
-
Lower Cambrian
-
Kinzers Formation (1)
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Poleta Formation (1)
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Rome Formation (1)
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Tommotian (2)
-
Zabriskie Quartzite (2)
-
-
Middle Cambrian
-
Bright Angel Shale (4)
-
Burgess Shale (10)
-
Flathead Sandstone (13)
-
Marjum Formation (12)
-
Wheeler Formation (21)
-
-
Pioche Shale (15)
-
Tapeats Sandstone (6)
-
Tintic Quartzite (4)
-
Upper Cambrian
-
Bonneterre Formation (1)
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Dresbachian (2)
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Franconia Formation (1)
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Furongian
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Jiangshanian (2)
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Paibian (1)
-
-
Galesville Sandstone (1)
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Lamotte Sandstone (2)
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Nopah Formation (1)
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Orr Formation (10)
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Pilgrim Formation (4)
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Potsdam Sandstone (1)
-
Steptoean (9)
-
Trempealeauan (2)
-
Wilberns Formation (2)
-
Wonewoc Formation (1)
-
-
-
Carboniferous
-
Amsden Formation (12)
-
Big Snowy Group (5)
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Diamond Peak Formation (2)
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Ely Limestone (6)
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Jackfork Group (1)
-
Lower Carboniferous
-
Dinantian (9)
-
-
Manning Canyon Shale (5)
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Middle Carboniferous (2)
-
Mississippian
-
Barnett Shale (5)
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Bear Gulch Limestone Member (4)
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Chainman Shale (4)
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Charles Formation (9)
-
Harrodsburg Limestone (1)
-
Leadville Formation (12)
-
Lower Mississippian
-
Chappel Limestone (1)
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Chouteau Limestone (1)
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Joana Limestone (2)
-
Kinderhookian
-
Banff Formation (2)
-
-
Lake Valley Formation (11)
-
Lodgepole Formation (29)
-
Osagian
-
Burlington Limestone (2)
-
-
Tournaisian
-
upper Tournaisian (1)
-
-
-
Madison Group (66)
-
Middle Mississippian
-
Visean (5)
-
-
Mission Canyon Limestone (34)
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Redwall Limestone (9)
-
Upper Mississippian
-
Chesterian
-
Imo Formation (2)
-
-
Fayetteville Formation (1)
-
Hartselle Sandstone (1)
-
Heath Formation (12)
-
Meramecian
-
Saint Louis Limestone (3)
-
Sainte Genevieve Limestone (2)
-
Salem Limestone (1)
-
-
Pennington Formation (1)
-
Serpukhovian (2)
-
-
Windsor Group (1)
-
-
Namurian (8)
-
Pennsylvanian
-
Francis Creek Shale (1)
-
Hermosa Group (13)
-
Lower Pennsylvanian
-
Bashkirian (2)
-
Morrowan
-
Bloyd Formation (1)
-
-
-
Mansfield Formation (1)
-
Marble Falls Group (1)
-
Middle Pennsylvanian
-
Allegheny Group (1)
-
Atokan
-
Atoka Formation (3)
-
-
Desmoinesian
-
Cherokee Group (3)
-
Marmaton Group (3)
-
-
Manakacha Formation (1)
-
Moscovian (4)
-
Paradox Formation (23)
-
-
Minturn Formation (19)
-
Monongahela Group (1)
-
Morrow Formation (13)
-
Pottsville Group (1)
-
Strawn Series (4)
-
Upper Pennsylvanian
-
Canyon Group (3)
-
Cisco Group (4)
-
Holder Formation (4)
-
Kasimovian (1)
-
Missourian
-
Kansas City Group (5)
-
Lansing Group (7)
-
-
Virgilian
-
Lawrence Formation (1)
-
Shawnee Group (2)
-
-
Wescogame Formation (2)
-
-
Watahomigi Formation (2)
-
-
Upper Carboniferous
-
Stephanian (1)
-
Westphalian (2)
-
-
-
Casper Formation (11)
-
Cow Head Group (1)
-
Deadwood Formation (14)
-
Devonian
-
Guilmette Formation (7)
-
Lost Burro Formation (1)
-
Lower Devonian
-
Emsian (4)
-
Pragian (1)
-
-
Middle Devonian
-
Eifelian (2)
-
Givetian (4)
-
Marcellus Shale (2)
-
Prairie Evaporite (3)
-
Winnipegosis Formation (5)
-
-
Miette Complex (1)
-
Old Red Sandstone (1)
-
Upper Devonian
-
Birdbear Formation (4)
-
Duperow Formation (16)
-
Famennian
-
upper Famennian (2)
-
Wabamun Group (2)
-
-
Frasnian
-
upper Frasnian (1)
-
-
Grosmont Formation (1)
-
Huron Member (1)
-
Jefferson Group (12)
-
Nisku Formation (5)
-
Ohio Shale (1)
-
Palliser Formation (4)
-
-
-
Exshaw Formation (4)
-
Hanson Creek Formation (2)
-
Honaker Trail Formation (3)
-
Hunton Group (2)
-
Laborcita Formation (6)
-
lower Paleozoic
-
Conococheague Formation (1)
-
-
Madera Formation (10)
-
Maroon Formation (14)
-
middle Paleozoic (4)
-
Minnelusa Formation (32)
-
New Albany Shale (1)
-
Oquirrh Formation (6)
-
Ordovician
-
Antelope Valley Limestone (2)
-
Ely Springs Dolomite (3)
-
Eureka Quartzite (4)
-
Lower Ordovician
-
Arenigian (4)
-
Beekmantown Group (1)
-
El Paso Group (4)
-
Ellenburger Group (7)
-
Fillmore Formation (20)
-
Floian (2)
-
Ibexian (13)
-
Manitou Formation (11)
-
Saint George Group (1)
-
Tremadocian (8)
-
-
Middle Ordovician
-
Darriwilian (1)
-
Llanvirnian (1)
-
Normanskill Formation (1)
-
Saint Peter Sandstone (2)
-
Simpson Group (1)
-
Swan Peak Formation (2)
-
Whiterockian (8)
-
Winnipeg Formation (4)
-
-
Montoya Group (8)
-
Pogonip Group (7)
-
Trenton Group (1)
-
Upper Ordovician
-
Ashgillian (1)
-
Bighorn Dolomite (19)
-
Caradocian (1)
-
Cincinnatian
-
Maysvillian (1)
-
Richmondian (2)
-
-
Fernvale Formation (1)
-
Fish Haven Dolomite (4)
-
Hirnantian (1)
-
Katian (1)
-
Red River Formation (19)
-
Trentonian (2)
-
Yeoman Formation (1)
-
-
Utica Shale (1)
-
Vinini Formation (1)
-
Viola Limestone (3)
-
-
Permian
-
Blaine Formation (2)
-
Castile Formation (6)
-
Chase Group (3)
-
Coconino Sandstone (14)
-
Council Grove Group (3)
-
Cutler Formation (32)
-
Esplanade Sandstone Member (1)
-
Glorieta Sandstone (1)
-
Guadalupian
-
Bell Canyon Formation (6)
-
Brushy Canyon Formation (8)
-
Capitan Formation (14)
-
Capitanian (1)
-
Cherry Canyon Formation (8)
-
Delaware Mountain Group (4)
-
Grayburg Formation (1)
-
Queen Formation (2)
-
Roadian (4)
-
Seven Rivers Formation (6)
-
Tansill Formation (12)
-
Ufimian (1)
-
Wordian (3)
-
-
Kaibab Formation (26)
-
Khuff Formation (1)
-
Lower Permian
-
Abo Formation (17)
-
Autunian (1)
-
Cherry Canyon Formation (8)
-
Cisuralian
-
Artinskian (3)
-
Asselian (1)
-
Kungurian (7)
-
Sakmarian (3)
-
-
Leonardian
-
Bone Spring Limestone (4)
-
Clear Fork Group (6)
-
-
Opeche Shale (3)
-
Wichita Group (5)
-
Wolfcampian
-
Hueco Limestone (6)
-
-
-
Lyons Sandstone (16)
-
Meade Peak Member (8)
-
Middle Permian (9)
-
Park City Formation (17)
-
Phosphoria Formation (55)
-
Retort Phosphatic Shale Member (3)
-
Rustler Formation (4)
-
Stone Corral Formation (1)
-
Toroweap Formation (7)
-
Upper Permian
-
Lopingian (1)
-
Permian-Triassic boundary (9)
-
Salado Formation (12)
-
Zechstein (1)
-
-
Wellington Formation (2)
-
Yates Formation (9)
-
Yeso Formation (9)
-
-
Pilot Shale (2)
-
Sauk Sequence (6)
-
Silurian
-
Fusselman Dolomite (1)
-
Henryhouse Formation (1)
-
Lower Silurian
-
Llandovery
-
Interlake Formation (4)
-
-
Tuscarora Formation (1)
-
-
Middle Silurian
-
Roberts Mountains Formation (5)
-
-
Niagaran (1)
-
Upper Silurian
-
Salina Group (1)
-
-
-
Supai Formation (13)
-
Tensleep Sandstone (41)
-
Tippecanoe Sequence (1)
-
upper Paleozoic
-
Admire Group (2)
-
Antrim Shale (2)
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Bakken Formation (54)
-
Fountain Formation (26)
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Kaskaskia Sequence (4)
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Wood River Formation (4)
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Weber Sandstone (12)
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Wells Formation (5)
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Woodford Shale (4)
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palynology (10)
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Dinoflagellata (9)
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megaspores (5)
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Momipites (2)
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pollen (53)
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coalbed methane (29)
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Phanerozoic (44)
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placers (21)
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Plantae
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Chlorophyta
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Charophyta (10)
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Chlorophyceae
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Codiaceae
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Halimeda (1)
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Dasycladaceae (1)
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Chrysophyta (1)
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Coccolithophoraceae (2)
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Phaeophyta (1)
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Rhodophyta (1)
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Bryophyta
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Hepaticae (1)
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Pteridophyta
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Filicopsida
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Azolla (1)
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Pecopteris (1)
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Lycopsida
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Lepidodendron (2)
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Sigillaria (2)
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Stigmaria (3)
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Sphenopsida
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Equisetales
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Calamites (1)
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Pteropsida (1)
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Gymnospermae
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Coniferales
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Taxodiaceae
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Sequoia (1)
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Cordaitales (2)
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Pteridospermae (3)
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plate tectonics (259)
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Precambrian
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Eoarchean (1)
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Gilman Formation (2)
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J-M Reef (20)
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Mesoarchean (4)
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Neoarchean (24)
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Paleoarchean (4)
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Biwabik Iron Formation (1)
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Chuar Group (20)
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Eocambrian (3)
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Gunflint Iron Formation (2)
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Hadean (5)
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Idaho Springs Formation (2)
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Johnnie Formation (1)
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Laramie anorthosite complex (19)
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middle Precambrian (2)
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Pahrump Series (2)
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Prichard Formation (7)
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Purcell System (9)
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Sandia Granite (3)
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Sioux Quartzite (2)
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Spuhler Peak Formation (1)
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Stillwater Complex (76)
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Stirling Quartzite (3)
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Transvaal Supergroup (1)
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Uinta Mountain Group (12)
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Unkar Group (14)
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upper Precambrian
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Proterozoic
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Algonkian
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Baraboo Quartzite (1)
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Huronian (2)
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Keweenawan (1)
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McNamara Group (1)
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Mesoproterozoic
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Aldridge Formation (2)
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Altyn Limestone (2)
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Apache Group (6)
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Belt Supergroup (79)
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Bonner Formation (2)
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Helena Formation (5)
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Helikian (1)
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Missoula Group (10)
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Mount Shields Formation (1)
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Newland Limestone (8)
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Ravalli Group (4)
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Revett Quartzite (4)
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Roper Group (1)
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Spokane Formation (2)
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Wallace Formation (4)
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Neoproterozoic
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Cryogenian (5)
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Dengying Formation (1)
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Doushantuo Formation (1)
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Ediacaran (4)
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Hadrynian (1)
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Marinoan (2)
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McCoy Creek Group (4)
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Sturtian (5)
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Tonian (5)
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Vendian (2)
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Wilpena Group (1)
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Ortega Group (11)
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Paleoproterozoic (105)
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Pocatello Formation (8)
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Sinian
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Dengying Formation (1)
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Doushantuo Formation (1)
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Windermere System (2)
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Vadito Group (5)
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Yellowjacket Formation (2)
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problematic fossils
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problematic microfossils (9)
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Pterobranchia (3)
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chemically precipitated rocks
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clastic rocks
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argillite (11)
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arkose (8)
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black shale (35)
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conglomerate
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quartz-pebble conglomerate (1)
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diamictite (19)
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fanglomerate (7)
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red beds (69)
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Pima County Arizona
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Pinal County Arizona
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Rincon Mountains (2)
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Yavapai County Arizona
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Yuma County Arizona
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Arkansas
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Bighorn Basin (188)
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Book Cliffs (75)
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California
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Alameda County California
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Anza-Borrego Desert State Park (1)
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Garlock Fault (5)
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Kern County California (7)
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Modoc County California (1)
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Newport-Inglewood Fault (3)
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San Diego County California (3)
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Shasta County California
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Colorado
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Alamosa County Colorado (11)
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Cache La Poudre River (1)
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Salida Colorado (6)
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Cheyenne County Colorado (2)
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Colorado mineral belt (12)
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Conejos County Colorado (8)
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Costilla County Colorado (3)
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Crowley County Colorado (1)
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Custer County Colorado (16)
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Delta County Colorado (4)
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Denver County Colorado
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Denver Colorado (34)
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Dolores County Colorado (5)
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Douglas County Colorado (17)
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Eagle County Colorado (31)
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El Paso County Colorado
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Elbert County Colorado (18)
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Fremont County Colorado
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Front Range urban corridor (1)
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Anvil Points Mine (2)
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Rifle Colorado (7)
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Gilpin County Colorado (18)
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Gunnison River (6)
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Hinsdale County Colorado
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Slumgullion Landslide (3)
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Huerfano County Colorado (16)
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Jackson County Colorado (9)
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Jefferson County Colorado
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Golden Colorado (4)
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Schwartzwalder Mine (6)
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Kiowa County Colorado (1)
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La Plata County Colorado (23)
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Climax Colorado (10)
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Leadville Colorado (14)
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Saint Kevin Gulch (1)
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Larimer County Colorado
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Loveland Colorado (1)
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Las Animas County Colorado (14)
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Mahogany Zone (2)
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Grand Junction Colorado (1)
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Mineral County Colorado
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Creede Caldera (6)
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Creede Colorado (5)
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Creede mining district (16)
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Moffat County Colorado (18)
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Montezuma County Colorado (11)
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Montrose County Colorado (15)
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Morgan County Colorado (5)
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Needle Mountains (7)
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Otero County Colorado (1)
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Ouray County Colorado (18)
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Park County Colorado
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Alma mining district (1)
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Piceance Basin (27)
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Pikes Peak Batholith (5)
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Pitkin County Colorado (21)
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Pueblo County Colorado
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Pueblo Colorado (20)
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Rangely Anticline (1)
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Rio Blanco County Colorado
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Rangely Colorado (9)
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Rio Grande County Colorado (12)
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Rocky Flats Plant (2)
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Rocky Mountain National Park (7)
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Routt County Colorado (12)
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Saguache County Colorado (24)
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San Juan County Colorado
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Silverton Caldera (11)
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Silverton Colorado (5)
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San Juan volcanic field (29)
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San Miguel County Colorado (34)
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Sawatch Range
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Mount Antero (2)
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Sedgwick County Colorado (1)
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Summit County Colorado
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Dillon Colorado (1)
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Teller County Colorado
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Cripple Creek Colorado (6)
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Florissant Fossil Beds National Monument (19)
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Washington County Colorado (3)
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Wattenberg Field (18)
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Weld County Colorado
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Greeley Colorado (4)
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Wet Mountains (27)
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White River Plateau (7)
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Yampa River (1)
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Yuma County Colorado (8)
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Colorado Lineament (5)
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Columbia Plateau (28)
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Connecticut
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Fairfield County Connecticut (1)
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Crawford Thrust (2)
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Delaware (2)
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Denver Basin (161)
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Dinosaur National Monument (14)
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Dunkard Basin (1)
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Eastern California shear zone (3)
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Eastern U.S.
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Northeastern U.S. (2)
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Florida
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Jackson County Florida (1)
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Four Corners (51)
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Georgia
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McIntosh County Georgia
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Walker County Georgia (1)
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Hawaii
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Honolulu County Hawaii
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Oahu
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Maui County Hawaii
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Mauna Loa (2)
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High Plains Aquifer (9)
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Idaho
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Ada County Idaho
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Cassia County Idaho (14)
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Clark County Idaho (7)
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Coeur d'Alene River (1)
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Custer County Idaho
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Borah Peak (11)
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Challis Idaho (9)
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Chilly Buttes (1)
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Mackay Idaho (7)
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-
Elmore County Idaho (2)
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Gooding County Idaho (6)
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Idaho National Laboratory (10)
-
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Lemhi County Idaho
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Blackbird mining district (9)
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Salmon Idaho (1)
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-
Lemhi Range (18)
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Lincoln County Idaho (2)
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Lost River Fault (19)
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Lost River Range
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Borah Peak (11)
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Madison County Idaho (5)
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Minidoka County Idaho (2)
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Oneida County Idaho (7)
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Owyhee County Idaho (1)
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Power County Idaho (2)
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Shoshone County Idaho (2)
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Snake River plain (127)
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Snake River Plain Aquifer (14)
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Twin Falls County Idaho (7)
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Valley County Idaho (3)
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-
Idaho Batholith (36)
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Illinois
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Illinois Basin (4)
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Indiana
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Iowa
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Manson impact structure (2)
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Ismay Zone (1)
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Kansas
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Hugoton Field (8)
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Kentucky
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Louisiana
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Madison Aquifer (6)
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Maine
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Maryland
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Massachusetts
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Michigan (8)
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Mississippi
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Missouri
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Saint Louis County Missouri
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Shannon County Missouri (1)
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-
Missouri River (14)
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Montana
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Beaverhead County Montana
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Tendoy Range (3)
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-
Big Belt Mountains (5)
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Big Snowy Mountains (5)
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Blaine County Montana (7)
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Boulder Batholith (17)
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Bridger Range (11)
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Butte mining district (19)
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Carbon County Montana (19)
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Carter County Montana (13)
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Cascade County Montana (14)
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Chouteau County Montana (5)
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Crazy Mountains Basin (6)
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Custer County Montana (5)
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Dawson County Montana (9)
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Deer Lodge County Montana (12)
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Fallon County Montana (5)
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Fergus County Montana (22)
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Flathead County Montana (16)
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Flathead Lake (5)
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Flint Creek Range (2)
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Gallatin County Montana
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Hebgen Lake (15)
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Three Forks Montana (3)
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-
Garfield County Montana (50)
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Glacier County Montana (12)
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Golden Valley County Montana (2)
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Granite County Montana (20)
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Gravelly Range (1)
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Hill County Montana (3)
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Jefferson County Montana (28)
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Judith Basin County Montana (2)
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Lewis and Clark County Montana
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Helena Montana (7)
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-
Liberty County Montana (2)
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Lincoln County Montana
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Libby Montana (2)
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-
Little Belt Mountains (13)
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Madison County Montana
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Tobacco Root Mountains (11)
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-
McCone County Montana (26)
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Meagher County Montana (9)
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Mineral County Montana (6)
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Missoula County Montana (12)
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Park County Montana (29)
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Phillips County Montana (4)
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Pondera County Montana (5)
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Powder River County Montana (13)
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Powell County Montana (11)
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Prairie County Montana (1)
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Ravalli County Montana (17)
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Richland County Montana (10)
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Roosevelt County Montana (1)
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Rosebud County Montana (8)
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Sanders County Montana (5)
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Sheridan County Montana (2)
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Shonkin Sag Laccolith (1)
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Silver Bow County Montana
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Butte Montana (32)
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-
Stillwater County Montana (23)
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Sweet Grass County Montana (12)
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Teton County Montana (21)
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Toole County Montana (3)
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Treasure County Montana (1)
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Valley County Montana (2)
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Wheatland County Montana (7)
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Wibaux County Montana (1)
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Yellowstone County Montana
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Billings Montana (1)
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-
-
Moxa Arch (10)
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Mullen Creek-Nash Fork shear zone (3)
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Navajo Indian Reservation (2)
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Nebraska
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Antelope County Nebraska (2)
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Banner County Nebraska (10)
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Box Butte County Nebraska (3)
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Brown County Nebraska (5)
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Cedar County Nebraska (1)
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Hitchcock County Nebraska (5)
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Keith County Nebraska (3)
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Keya Paha County Nebraska (2)
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Kimball County Nebraska (7)
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Knox County Nebraska (5)
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Morrill County Nebraska (12)
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Perkins County Nebraska (1)
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Red Willow County Nebraska (4)
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Scotts Bluff County Nebraska (4)
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Sheridan County Nebraska (3)
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Sioux County Nebraska (24)
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Thomas County Nebraska (1)
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Webster County Nebraska (1)
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-
Nevada
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Arrow Canyon Range (11)
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Carlin Trend (2)
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Clark County Nevada
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Las Vegas Nevada (14)
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-
Douglas County Nevada (1)
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Egan Range (14)
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Elko County Nevada
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Carlin Nevada (2)
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East Humboldt Range (2)
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Independence Mountains (1)
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Pequop Mountains (6)
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-
Esmeralda County Nevada
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Silver Peak Mountains (1)
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-
Eureka County Nevada
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Eureka Nevada (1)
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-
Humboldt County Nevada
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Getchell Mine (1)
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-
Lake Mead Fault (8)
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Lander County Nevada (4)
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Las Vegas Valley (13)
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Lincoln County Nevada (61)
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Yerington Nevada (2)
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-
Mineral County Nevada (4)
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Nye County Nevada
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Grant Canyon Field (1)
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Trap Spring Field (1)
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Yucca Mountain (5)
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-
Pershing County Nevada
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Humboldt Range (4)
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Roberts Mountains Allochthon (5)
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Shoshone Mountains (1)
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Storey County Nevada (1)
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Toquima Range (2)
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Washoe County Nevada
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White Pine County Nevada
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Ely Nevada (9)
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New England (5)
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New Hampshire
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New Jersey (10)
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New Mexico
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Animas Mountains (1)
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Bernalillo County New Mexico
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Albuquerque New Mexico (29)
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-
Catron County New Mexico
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Mogollon Mountains (2)
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-
Chaves County New Mexico (11)
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Cibola County New Mexico (6)
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Colfax County New Mexico (13)
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Curry County New Mexico (3)
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Datil-Mogollon volcanic field (19)
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De Baca County New Mexico (2)
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Dona Ana County New Mexico
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Las Cruces New Mexico (4)
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-
Eddy County New Mexico
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Carlsbad Caverns (1)
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Lechuguilla Cave (1)
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Waste Isolation Pilot Plant (1)
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-
Grant County New Mexico
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Santa Rita New Mexico (4)
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Silver City New Mexico (1)
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-
Grants mineral belt (33)
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Guadalupe County New Mexico (3)
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Harding County New Mexico (3)
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Hidalgo County New Mexico (6)
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Jemez Lineament (17)
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Jemez Mountains (27)
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Jornada del Muerto (3)
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Lea County New Mexico
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Vacuum Field (2)
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-
Lincoln County New Mexico (13)
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Los Alamos County New Mexico
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Los Alamos National Laboratory (32)
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-
Luna County New Mexico
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Florida Mountains (1)
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-
Manzano Mountains (3)
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McKinley County New Mexico
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Ambrosia Lake (5)
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Ambrosia Lake mining district (8)
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Grants mining district (4)
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Mariano Lake (1)
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-
Mora County New Mexico (12)
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Otero County New Mexico (6)
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Pajarito Plateau (22)
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Picuris Range (17)
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Quay County New Mexico (10)
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Rio Arriba County New Mexico
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Ghost Ranch (2)
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Nacimiento Mountains (4)
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-
Roosevelt County New Mexico (10)
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San Juan County New Mexico (63)
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San Miguel County New Mexico (9)
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Sandia Mountains (7)
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Sandoval County New Mexico
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Fenton Hill (3)
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Santa Fe County New Mexico
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Santa Fe New Mexico (5)
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Sierra County New Mexico
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Truth or Consequences New Mexico (2)
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-
Socorro County New Mexico
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Magdalena New Mexico (1)
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Socorro New Mexico (27)
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-
Taos County New Mexico
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Questa Caldera (5)
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Questa Mine (9)
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-
Taos Plateau (6)
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Tatum Basin (1)
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Torrance County New Mexico (10)
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Tucumcari Basin (2)
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Tusas Mountains (8)
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Union County New Mexico (7)
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Valencia County New Mexico
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Grants New Mexico (27)
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-
Valles Caldera (30)
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Zuni Mountains (3)
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-
New York
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Adirondack Mountains (6)
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Benson Mines (1)
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Essex County New York (1)
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Franklin County New York (1)
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Montgomery County New York (1)
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New York City New York (1)
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Saint Lawrence County New York
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Balmat-Edwards mining district (2)
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-
Tompkins County New York
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Ithaca New York (1)
-
-
Warren County New York (1)
-
-
Newark Basin (2)
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North Carolina
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Onslow Bay (1)
-
-
North Dakota
-
Billings County North Dakota (14)
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Bowman County North Dakota (11)
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Burke County North Dakota (1)
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Burleigh County North Dakota (2)
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Divide County North Dakota (1)
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Dunn County North Dakota (7)
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Emmons County North Dakota (4)
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Golden Valley County North Dakota (3)
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Grant County North Dakota (1)
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Kidder County North Dakota (1)
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Logan County North Dakota (2)
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McHenry County North Dakota (4)
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McKenzie County North Dakota (16)
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Journal Article
Greenalite: A Template Fit for Life? Available to Purchase
Journal: Elements
Publisher: Mineralogical Society of America
Published: 01 June 2025
Elements (2025) 21 (3): 197–203.
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A frequency-domain beamforming procedure for extracting Rayleigh wave attenuation coefficients and small-strain damping ratio from 2D ambient noise array measurements Open Access
Journal: Earthquake Spectra
Publisher: Earthquake Engineering Research Institute
Published: 01 May 2025
Earthquake Spectra (2025) 41 (2): 1333–1363.
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Three-dimensional 0–10 Hz physics-based simulations of the 2020 Magna, Utah, earthquake sequence Available to Purchase
Journal: Earthquake Spectra
Publisher: Earthquake Engineering Research Institute
Published: 01 May 2025
Earthquake Spectra (2025) 41 (2): 1177–1199.
Includes: Supplemental Content
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Introduction to this special section: Geophysical applications to geothermal exploration and development Free
Journal: The Leading Edge
Publisher: Society of Exploration Geophysicists
Published: 01 April 2025
The Leading Edge (2025) 44 (4): 244–245.
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Distributed acoustic sensing, transfer functions, and moment magnitude determination: Application to high-frequency downhole data Open Access
Journal: Geophysics
Publisher: Society of Exploration Geophysicists
Published: 26 March 2025
Geophysics (2025) 90 (3): L75–L84.
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Structural analysis of brittle-plastic shear zones in the Sangre de Cristo Range, southern Colorado, USA: Superposition of Rio Grande rift extension on Laramide contraction Open Access
Michael C. Sitar, John S. Singleton, Jeffrey M. Rahl, Jonathan Saul Caine, Jacob King, Andrew Kylander-Clark, Paul O'Sullivan
Journal: Geosphere
Publisher: Geological Society of America
Published: 25 March 2025
Geosphere (2025) 21 (3): 446–469.
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Redescription of the Cambrian edrioasteroid Sprinkleoglobus spencensis n. comb. (Wen et al., 2019) from the Spence Shale (Utah, USA) Open Access
Journal: Journal of Paleontology
Publisher: Paleontological Society
Published: 21 March 2025
Journal of Paleontology (2024) 98 (6): 952–958.
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Sedimentological and paleoslope reconstruction of the Late Triassic Chinle Formation, western USA: Constraints on models for dynamic subsidence Available to Purchase
Journal: GSA Bulletin
Publisher: Geological Society of America
Published: 11 March 2025
GSA Bulletin (2025) 137 (7-8): 3587–3605.
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Magnetostratigraphy and U-Pb geochronology of the middle Eocene Bridger Formation (Wyoming, USA): Implications for the age and correlation of the Bridgerian/Uintan NALMA boundary and calibration of the Geomagnetic Polarity Time Scale Available to Purchase
Kaori Tsukui, John J. Flynn, Sidney R. Hemming, Jahandar Ramezani, Malka L. Machlus, Clarita Nuñez, Steven J. McCarroll, Samuel A. Bowring
Journal: GSA Bulletin
Publisher: Geological Society of America
Published: 07 March 2025
GSA Bulletin (2025) 137 (7-8): 3463–3480.
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Investigating nanoparticle pathfinder geochemistry in stream sediments using single particle inductively coupled plasma mass spectrometry: a case study at the Sundance gold mineralization, Wyoming, USA Available to Purchase
Publisher: Geological Society of London
Published: 28 February 2025
Geochemistry: Exploration, Environment, Analysis (2025) 25 (1): geochem2024-066.