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NARROW
Format
Article Type
Journal
Publisher
Section
GeoRef Subject
-
all geography including DSDP/ODP Sites and Legs
-
Africa
-
North Africa
-
Algeria (1)
-
-
Southern Africa
-
South Africa (1)
-
-
-
Antarctica
-
Antarctic ice sheet (1)
-
-
Arctic Ocean
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Norwegian Sea (1)
-
-
Arctic region
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Greenland
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East Greenland (1)
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-
-
Asia
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Far East
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China
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Huang He (1)
-
-
Laos (1)
-
-
Indian Peninsula
-
India (1)
-
-
-
Atlantic Ocean
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North Atlantic
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Blake Plateau
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Blake Nose (1)
-
-
Gulf of Maine (1)
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North Sea (1)
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-
-
Australasia
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Australia
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Western Australia (1)
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-
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Black Hills (3)
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Canada
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Eastern Canada
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Maritime Provinces
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Nova Scotia (1)
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-
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Western Canada
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Manitoba (1)
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Saskatchewan (7)
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-
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Caribbean region (1)
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Central America
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Belize (1)
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Columbia River basin (1)
-
Commonwealth of Independent States
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Russian Federation (2)
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East Pacific Ocean Islands
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Hawaii
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Honolulu County Hawaii
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Oahu (1)
-
-
-
-
Europe
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Southern Europe
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Iberian Peninsula
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Portugal
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Algarve (1)
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-
Spain
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Ebro Basin (1)
-
-
-
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Western Europe
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Scandinavia
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Norway (1)
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United Kingdom
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Great Britain
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England
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Isle of Wight England (1)
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Lancashire England (1)
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-
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Front Range (7)
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Green River basin (3)
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Maverick Basin (1)
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Mexico
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Sonora Mexico (1)
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North America
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Appalachian Basin (2)
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Appalachians (2)
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Basin and Range Province (1)
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Dakota Aquifer (1)
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Great Lakes
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Lake Superior (1)
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Great Plains
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Northern Great Plains (6)
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Gulf Coastal Plain (2)
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Keweenawan Rift (2)
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Lake Superior region (1)
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Michigan Basin (2)
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Missouri River basin (1)
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North American Cordillera (1)
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Pedregosa Basin (1)
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Rocky Mountains
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Central Rocky Mountains (2)
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Northern Rocky Mountains (3)
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Southern Rocky Mountains (2)
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U. S. Rocky Mountains
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Medicine Bow Mountains (1)
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Sawatch Range (1)
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Wet Mountains (1)
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-
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Transcontinental Arch (2)
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Western Canada Sedimentary Basin (1)
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Western Interior
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Western Interior Seaway (9)
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-
Western Overthrust Belt (2)
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Williston Basin (8)
-
-
Oceania
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Polynesia
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Hawaii
-
Honolulu County Hawaii
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Oahu (1)
-
-
-
-
-
Permian Basin (4)
-
Platte River (10)
-
Platte River basin (2)
-
Raton Basin (2)
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San Juan Basin (2)
-
Sand Hills (8)
-
Sand Wash Basin (1)
-
Silo Field (1)
-
South America
-
Brazil
-
Amazonas Brazil (1)
-
-
-
United States
-
Alaska (1)
-
Arizona
-
Mogollon Rim (1)
-
-
Arkansas (1)
-
Arkansas River valley (1)
-
Atlantic Coastal Plain (1)
-
Bighorn Basin (1)
-
California (4)
-
Cambridge Arch (5)
-
Chadron Arch (3)
-
Chesapeake Bay (1)
-
Colorado
-
Boulder County Colorado (1)
-
Denver County Colorado
-
Denver Colorado (1)
-
-
Jackson County Colorado (1)
-
Larimer County Colorado (2)
-
Logan County Colorado (5)
-
Mesa County Colorado (1)
-
Morgan County Colorado (5)
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Piceance Basin (1)
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Pueblo County Colorado (1)
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Sawatch Range (1)
-
Sedgwick County Colorado (1)
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Washington County Colorado (3)
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Wattenberg Field (6)
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Weld County Colorado (5)
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Wet Mountains (1)
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Yuma County Colorado (5)
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Colorado Lineament (2)
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Colorado Plateau (1)
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Delaware Basin (2)
-
Denver Basin (89)
-
Florida (1)
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Forest City Basin (3)
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Hawaii
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Honolulu County Hawaii
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Oahu (1)
-
-
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High Plains Aquifer (2)
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Idaho (5)
-
Illinois (2)
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Illinois Basin (2)
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Indiana (1)
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Iowa
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Adair County Iowa (1)
-
Calhoun County Iowa (1)
-
Cherokee County Iowa (1)
-
Dallas County Iowa (1)
-
Fremont County Iowa (1)
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Madison County Iowa (1)
-
Manson impact structure (1)
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Mills County Iowa (2)
-
Plymouth County Iowa (1)
-
Pocahontas County Iowa (1)
-
Pottawattamie County Iowa (4)
-
Webster County Iowa (1)
-
Woodbury County Iowa (3)
-
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Kansas
-
Chautauqua County Kansas (1)
-
Clark County Kansas (2)
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Ellis County Kansas (4)
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Graham County Kansas (1)
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Greenwood County Kansas (1)
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Kansas River (1)
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Meade County Kansas (1)
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Norton County Kansas (1)
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Scott County Kansas (1)
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Shawnee County Kansas (1)
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Sherman County Kansas (1)
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Kentucky (1)
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Little Missouri River basin (1)
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Louisiana (1)
-
Maine (1)
-
Maryland
-
Calvert County Maryland (1)
-
Charles County Maryland (1)
-
Patuxent River (1)
-
Saint Mary's County Maryland (1)
-
-
Michigan (2)
-
Midcontinent (35)
-
Midwest (15)
-
Minnesota (13)
-
Mississippi (1)
-
Mississippi River (1)
-
Mississippi Valley
-
Upper Mississippi Valley (3)
-
-
Missouri
-
Andrew County Missouri (2)
-
-
Missouri River (5)
-
Missouri River valley (2)
-
Montana
-
Beaverhead County Montana (1)
-
-
Moxa Arch (1)
-
Nebraska
-
Antelope County Nebraska (5)
-
Banner County Nebraska (9)
-
Box Butte County Nebraska (3)
-
Boyd County Nebraska (2)
-
Brown County Nebraska (7)
-
Buffalo County Nebraska (1)
-
Cass County Nebraska (6)
-
Cedar County Nebraska (2)
-
Cherry County Nebraska (9)
-
Cheyenne County Nebraska (7)
-
Clay County Nebraska (1)
-
Dakota County Nebraska (2)
-
Dawes County Nebraska (11)
-
Dawson County Nebraska (2)
-
Deuel County Nebraska (1)
-
Dixon County Nebraska (2)
-
Douglas County Nebraska (1)
-
Frontier County Nebraska (2)
-
Garden County Nebraska (10)
-
Garfield County Nebraska (1)
-
Greeley County Nebraska (1)
-
Hall County Nebraska (1)
-
Hamilton County Nebraska (1)
-
Harlan County Nebraska (1)
-
Hitchcock County Nebraska (5)
-
Holt County Nebraska (3)
-
Hooker County Nebraska (1)
-
Jefferson County Nebraska (3)
-
Keith County Nebraska (3)
-
Keya Paha County Nebraska (2)
-
Kimball County Nebraska (7)
-
Knox County Nebraska (10)
-
Lancaster County Nebraska (5)
-
Loup County Nebraska (3)
-
Morrill County Nebraska (11)
-
Red Willow County Nebraska (4)
-
Richardson County Nebraska (1)
-
Sarpy County Nebraska (5)
-
Saunders County Nebraska (2)
-
Scotts Bluff County Nebraska (4)
-
Sheridan County Nebraska (3)
-
Sioux County Nebraska (24)
-
Thomas County Nebraska (1)
-
Valley County Nebraska (1)
-
Washington County Nebraska (1)
-
Webster County Nebraska (1)
-
-
Nemaha Ridge (3)
-
Nevada (1)
-
New Mexico (11)
-
North Dakota
-
Billings County North Dakota (1)
-
Williams County North Dakota (1)
-
-
Ogallala Aquifer (1)
-
Ohio (3)
-
Oklahoma
-
Garfield County Oklahoma (1)
-
Okfuskee County Oklahoma (1)
-
Osage County Oklahoma (1)
-
Pontotoc County Oklahoma (1)
-
-
Oregon
-
Wheeler County Oregon (1)
-
-
Ozark Mountains (1)
-
Palo Duro Basin (1)
-
Paradox Basin (3)
-
Pennsylvania (2)
-
Potomac River (1)
-
Powder River basin (7)
-
Sevier orogenic belt (1)
-
South Dakota
-
Badlands National Park (1)
-
Bennett County South Dakota (1)
-
Brule County South Dakota (1)
-
Buffalo County South Dakota (1)
-
Charles Mix County South Dakota (1)
-
Clay County South Dakota (1)
-
Davison County South Dakota (1)
-
Gregory County South Dakota (3)
-
Hughes County South Dakota (1)
-
Lyman County South Dakota (1)
-
Pennington County South Dakota (1)
-
Shannon County South Dakota (2)
-
Todd County South Dakota (1)
-
Tripp County South Dakota (1)
-
Union County South Dakota (3)
-
Yankton County South Dakota (3)
-
-
South Platte River (1)
-
South Platte River valley (1)
-
Texas
-
Amarillo Uplift (1)
-
Crosby County Texas (1)
-
Fort Worth Basin (1)
-
Hemphill County Texas (1)
-
Llano Uplift (1)
-
Midland Basin (1)
-
San Jacinto County Texas (1)
-
Stephens County Texas (1)
-
West Texas (2)
-
Wise County Texas (1)
-
-
U. S. Rocky Mountains
-
Medicine Bow Mountains (1)
-
Sawatch Range (1)
-
Wet Mountains (1)
-
-
Uinta Basin (2)
-
Utah
-
Kaiparowits Plateau (1)
-
-
Virginia
-
Westmoreland County Virginia (1)
-
-
Washington (2)
-
West Virginia (2)
-
Western U.S. (6)
-
Wisconsin (11)
-
Wyoming
-
Converse County Wyoming (1)
-
Fremont County Wyoming (2)
-
Goshen County Wyoming (3)
-
Laramie Basin (1)
-
Laramie County Wyoming (3)
-
Natrona County Wyoming (1)
-
Niobrara County Wyoming (1)
-
Teton County Wyoming (1)
-
-
Yellowstone National Park (1)
-
-
White River (2)
-
Wind River basin (1)
-
-
commodities
-
bitumens (2)
-
brines (1)
-
construction materials
-
building stone (1)
-
-
energy sources (21)
-
geothermal energy (2)
-
metal ores
-
niobium ores (1)
-
rare earth deposits (1)
-
titanium ores (1)
-
-
mineral deposits, genesis (1)
-
mineral exploration (3)
-
oil and gas fields (33)
-
petroleum
-
natural gas (46)
-
shale oil (1)
-
-
-
elements, isotopes
-
boron
-
B-11/B-10 (1)
-
-
carbon
-
C-13 (1)
-
C-13/C-12 (17)
-
C-14 (9)
-
organic carbon (1)
-
-
halogens
-
chlorine
-
chloride ion (2)
-
-
fluorine
-
fluoride ion (1)
-
-
-
hydrogen
-
D/H (1)
-
deuterium (1)
-
-
isotope ratios (16)
-
isotopes
-
radioactive isotopes
-
Be-10 (1)
-
Be-7 (1)
-
C-14 (9)
-
Cs-137 (1)
-
-
stable isotopes
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B-11/B-10 (1)
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C-13 (1)
-
C-13/C-12 (17)
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D/H (1)
-
deuterium (1)
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Ne-21 (1)
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O-18/O-16 (10)
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Sr-87/Sr-86 (1)
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-
-
Lu/Hf (1)
-
metals
-
actinides
-
uranium (1)
-
-
alkali metals
-
cesium
-
Cs-137 (1)
-
-
sodium (2)
-
-
alkaline earth metals
-
beryllium
-
Be-10 (1)
-
Be-7 (1)
-
-
strontium
-
Sr-87/Sr-86 (1)
-
-
-
aluminum (1)
-
gallium (1)
-
-
nitrogen (1)
-
noble gases
-
neon
-
Ne-21 (1)
-
-
-
oxygen
-
O-18/O-16 (10)
-
-
phosphorus (1)
-
silicon (1)
-
-
fossils
-
burrows (9)
-
Chordata
-
Vertebrata
-
Pisces
-
Osteichthyes
-
Actinopterygii
-
Chondrostei
-
Palaeonisciformes (1)
-
-
-
-
-
Tetrapoda
-
Amphibia
-
Lissamphibia (1)
-
-
Aves
-
Neornithes
-
Neognathae
-
Galliformes (1)
-
-
-
-
Mammalia
-
Theria
-
Eutheria
-
Artiodactyla
-
Ruminantia
-
Tylopoda
-
Camelidae (3)
-
-
-
Suiformes (1)
-
-
Carnivora
-
Fissipeda
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Canidae (2)
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Mustelidae (2)
-
-
-
Chiroptera (2)
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Edentata (1)
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Insectivora
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Soricidae (1)
-
-
Lagomorpha (3)
-
Perissodactyla
-
Ceratomorpha
-
Rhinocerotidae
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Rhinoceros (2)
-
-
-
Hippomorpha
-
Equidae
-
Equus (3)
-
-
-
-
Proboscidea
-
Elephantoidea
-
Elephantidae
-
Mammuthus (1)
-
-
-
-
Rodentia
-
Castoridae (4)
-
Myomorpha
-
Cricetidae (1)
-
Eomyidae (2)
-
-
Sciuromorpha
-
Sciuridae (2)
-
-
-
Ungulata (2)
-
-
Metatheria
-
Marsupialia
-
Polyprotodontia
-
Didelphidae (1)
-
-
-
-
-
-
Reptilia
-
Diapsida
-
Lepidosauria (1)
-
-
Synapsida
-
Therapsida
-
Dicynodontia (1)
-
-
-
-
-
-
-
coprolites (3)
-
fossil man (1)
-
fungi (1)
-
Graptolithina (1)
-
ichnofossils (7)
-
Invertebrata
-
Arthropoda
-
Chelicerata
-
Merostomata
-
Eurypterida (1)
-
-
-
Mandibulata
-
Crustacea
-
Ostracoda (2)
-
-
Insecta
-
Pterygota
-
Neoptera
-
Endopterygota
-
Coleoptera (1)
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Hymenoptera (1)
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-
-
-
-
-
Trilobitomorpha
-
Trilobita
-
Ptychopariida (1)
-
-
-
-
Brachiopoda (5)
-
Bryozoa (1)
-
Cnidaria
-
Anthozoa (2)
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Scyphozoa (1)
-
-
Echinodermata
-
Crinozoa
-
Crinoidea (2)
-
-
-
Mollusca
-
Bivalvia
-
Pterioida
-
Pteriina
-
Inocerami
-
Inoceramidae
-
Inoceramus (1)
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-
-
-
-
-
Cephalopoda
-
Ammonoidea (3)
-
Coleoidea (1)
-
-
Gastropoda
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Pulmonata (1)
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-
-
Protista
-
Foraminifera
-
Fusulinina
-
Fusulinidae (2)
-
-
-
Thecamoeba (1)
-
-
-
microfossils
-
Conodonta
-
Gnathodus (1)
-
Gondolella (1)
-
Idiognathodus (1)
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Streptognathodus (2)
-
-
Fusulinina
-
Fusulinidae (2)
-
-
-
palynomorphs
-
miospores (2)
-
-
Plantae
-
algae
-
Coccolithophoraceae (1)
-
diatoms (2)
-
nannofossils (1)
-
-
Pteridophyta
-
Filicopsida (1)
-
Sphenopsida
-
Equisetales (1)
-
-
-
Spermatophyta
-
Angiospermae
-
Dicotyledoneae (1)
-
Monocotyledoneae
-
Cyperaceae (1)
-
Gramineae (5)
-
-
-
-
-
thallophytes (1)
-
tracks (1)
-
-
geochronology methods
-
Ar/Ar (3)
-
exposure age (1)
-
K/Ar (1)
-
Lu/Hf (1)
-
optically stimulated luminescence (4)
-
paleomagnetism (7)
-
Rb/Sr (1)
-
Sm/Nd (1)
-
tephrochronology (1)
-
U/Pb (7)
-
-
geologic age
-
Cenozoic
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Blancan (2)
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Quaternary
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Clovis (1)
-
Holocene
-
lower Holocene (1)
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Medieval Warm Period (1)
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Middle Ages (1)
-
upper Holocene (2)
-
-
Pleistocene
-
Aftonian (1)
-
Bishop Tuff (1)
-
Illinoian (1)
-
Irvingtonian (1)
-
Loveland Loess (1)
-
lower Pleistocene (1)
-
Matuyama Chron (1)
-
middle Pleistocene (1)
-
Pearlette Volcanic Ash (1)
-
Peoria Loess (3)
-
upper Pleistocene
-
Sangamonian (1)
-
Wisconsinan
-
upper Wisconsinan (1)
-
-
-
-
upper Quaternary
-
Brunhes Chron (1)
-
-
-
Tertiary
-
Arikaree Group (15)
-
Arikareean (5)
-
Cypress Hills Formation (1)
-
lower Tertiary (2)
-
middle Tertiary (1)
-
Neogene
-
Hemphillian (6)
-
Miocene
-
Ash Hollow Formation (10)
-
Astoria Formation (1)
-
Barstovian (12)
-
Calvert Formation (1)
-
Clarendonian (5)
-
Fleming Formation (1)
-
lower Miocene
-
Hemingfordian (6)
-
-
middle Miocene
-
Choptank Formation (1)
-
-
Saint Marys Formation (1)
-
upper Miocene (11)
-
Valentine Formation (11)
-
Wood Mountain Formation (1)
-
-
Ogallala Formation (18)
-
Pliocene
-
lower Pliocene (3)
-
upper Pliocene
-
Rexroad Formation (1)
-
-
-
-
Paleogene
-
Chadron Formation (5)
-
Eocene
-
middle Eocene
-
Aycross Formation (1)
-
Bartonian (1)
-
Santee Limestone (1)
-
-
upper Eocene
-
Chadronian (6)
-
-
-
Oligocene
-
Brule Formation (17)
-
Fish Canyon Tuff (1)
-
lower Oligocene (8)
-
middle Oligocene (1)
-
upper Oligocene (1)
-
-
Paleocene
-
lower Paleocene
-
K-T boundary (1)
-
-
-
Renova Formation (1)
-
White River Group (15)
-
-
-
upper Cenozoic
-
Chesapeake Group (1)
-
-
-
Laurentide ice sheet (2)
-
Mesozoic
-
Cretaceous
-
Dakota Formation (22)
-
Graneros Shale (4)
-
Lower Cretaceous
-
Albian
-
upper Albian (2)
-
-
Bear River Formation (1)
-
Cheyenne Sandstone (1)
-
Kiowa Formation (2)
-
Mowry Shale (3)
-
Muddy Sandstone (4)
-
Skull Creek Shale (2)
-
-
Middle Cretaceous (4)
-
Upper Cretaceous
-
Bridge Creek Limestone Member (1)
-
Campanian
-
lower Campanian (1)
-
-
Carlile Shale (6)
-
Castlegate Sandstone (1)
-
Cenomanian (7)
-
Codell Sandstone Member (4)
-
Fort Hays Limestone Member (3)
-
Greenhorn Limestone (4)
-
Gulfian
-
Eagle Ford Formation (2)
-
-
K-T boundary (1)
-
Laramie Formation (1)
-
Maestrichtian (1)
-
Niobrara Formation (16)
-
Pierre Shale (10)
-
Santonian (1)
-
Senonian (2)
-
Sharon Springs Member (1)
-
Smoky Hill Chalk Member (5)
-
Turonian
-
upper Turonian (1)
-
-
-
-
Jurassic
-
Posidonia Shale (1)
-
Upper Jurassic
-
Entrada Sandstone (1)
-
Haynesville Formation (1)
-
Morrison Formation (1)
-
-
-
Kayenta Formation (3)
-
Triassic
-
Lower Triassic
-
Permian-Triassic boundary (1)
-
-
-
-
Paleozoic
-
Cambrian
-
Middle Cambrian (1)
-
Upper Cambrian
-
Galesville Sandstone (1)
-
Lamotte Sandstone (1)
-
Wonewoc Formation (1)
-
-
-
Carboniferous
-
Mississippian
-
Barnett Shale (1)
-
Charles Formation (1)
-
Madison Group (3)
-
Mission Canyon Limestone (1)
-
Upper Mississippian
-
Chesterian (1)
-
-
-
Pennsylvanian
-
Hermosa Group (1)
-
Lower Pennsylvanian
-
Morrowan (1)
-
-
Middle Pennsylvanian
-
Atokan (1)
-
Desmoinesian
-
Cherokee Group (1)
-
Wewoka Formation (2)
-
-
-
Morrow Formation (1)
-
Upper Pennsylvanian
-
Canyon Group (1)
-
Cisco Group (1)
-
Kasimovian (2)
-
Missourian
-
Kansas City Group (8)
-
Lansing Group (10)
-
Stanton Formation (2)
-
-
Virgilian
-
Douglas Group (2)
-
Lawrence Formation (1)
-
Lecompton Limestone (1)
-
Plattsmouth Limestone Member (4)
-
Shawnee Group (2)
-
Wabaunsee Group (2)
-
-
-
-
Upper Carboniferous (2)
-
-
Devonian
-
Middle Devonian
-
Marcellus Shale (1)
-
-
Upper Devonian
-
Duperow Formation (1)
-
Famennian (1)
-
Frasnian (1)
-
Lime Creek Formation (1)
-
-
-
lower Paleozoic (1)
-
Minnelusa Formation (4)
-
Ordovician
-
Middle Ordovician
-
Platteville Formation (1)
-
Simpson Group (1)
-
-
Upper Ordovician (1)
-
Utica Shale (1)
-
-
Permian
-
Chase Group (1)
-
Cottonwood Limestone (1)
-
Council Grove Group (3)
-
Eskridge Shale (1)
-
Guadalupian (1)
-
Hughes Creek Shale (1)
-
Lower Permian
-
Cisuralian
-
Asselian (1)
-
-
Leonardian (1)
-
Wolfcampian (5)
-
-
Lyons Sandstone (4)
-
Middle Permian (1)
-
Rustler Formation (1)
-
Upper Permian
-
Permian-Triassic boundary (1)
-
Salado Formation (1)
-
-
-
Sauk Sequence (1)
-
Silurian (3)
-
upper Paleozoic
-
Admire Group (3)
-
Fountain Formation (1)
-
-
-
Phanerozoic (3)
-
Precambrian
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Archean (1)
-
Nonesuch Shale (1)
-
upper Precambrian
-
Proterozoic
-
Keweenawan (1)
-
Mesoproterozoic (2)
-
Neoproterozoic (1)
-
Oronto Group (1)
-
Paleoproterozoic (3)
-
-
-
-
-
igneous rocks
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igneous rocks
-
plutonic rocks
-
granites (4)
-
-
volcanic rocks
-
glasses
-
volcanic glass (1)
-
-
pyroclastics
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tuff (4)
-
-
-
-
volcanic ash (6)
-
-
metamorphic rocks
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marbles (1)
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metasedimentary rocks (1)
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quartzites (1)
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-
-
meteorites
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meteorites
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iron meteorites (1)
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stony meteorites
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achondrites
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aubrite
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Norton County Meteorite (1)
-
-
-
-
-
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minerals
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carbonates
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halides
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rutile (1)
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phosphates
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apatite (2)
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silicates
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amphibole group
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clinoamphibole
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hornblende (1)
-
-
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pyroxene group
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orthopyroxene
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enstatite (1)
-
-
-
-
framework silicates
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feldspar group
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alkali feldspar
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K-feldspar (1)
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sanidine (2)
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plagioclase (1)
-
-
silica minerals
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opal
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opal-CT (1)
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quartz (3)
-
-
zeolite group
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clinoptilolite (1)
-
-
-
orthosilicates
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nesosilicates
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garnet group (1)
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sillimanite (1)
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staurolite (1)
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zircon group
-
zircon (6)
-
-
-
-
sheet silicates
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chlorite group
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chlorite (1)
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clay minerals
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kaolinite (1)
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smectite (4)
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illite (1)
-
-
-
sulfates
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anhydrite (2)
-
-
sulfides
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pyrite (1)
-
-
-
Primary terms
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absolute age (20)
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Africa
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North Africa
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Algeria (1)
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Southern Africa
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-
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Antarctica
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Asia
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Far East
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Atlantic Ocean
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atmosphere (1)
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biogeography (6)
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Western Canada
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carbon
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C-13 (1)
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C-13/C-12 (17)
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C-14 (9)
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organic carbon (1)
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Caribbean region (1)
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catalogs (2)
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Cenozoic
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Quaternary
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Holocene
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Medieval Warm Period (1)
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upper Holocene (2)
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Pleistocene
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Aftonian (1)
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Bishop Tuff (1)
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Irvingtonian (1)
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Loveland Loess (1)
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lower Pleistocene (1)
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Matuyama Chron (1)
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middle Pleistocene (1)
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Pearlette Volcanic Ash (1)
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Peoria Loess (3)
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upper Pleistocene
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Sangamonian (1)
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Wisconsinan
-
upper Wisconsinan (1)
-
-
-
-
upper Quaternary
-
Brunhes Chron (1)
-
-
-
Tertiary
-
Arikaree Group (15)
-
Arikareean (5)
-
Cypress Hills Formation (1)
-
lower Tertiary (2)
-
middle Tertiary (1)
-
Neogene
-
Hemphillian (6)
-
Miocene
-
Ash Hollow Formation (10)
-
Astoria Formation (1)
-
Barstovian (12)
-
Calvert Formation (1)
-
Clarendonian (5)
-
Fleming Formation (1)
-
lower Miocene
-
Hemingfordian (6)
-
-
middle Miocene
-
Choptank Formation (1)
-
-
Saint Marys Formation (1)
-
upper Miocene (11)
-
Valentine Formation (11)
-
Wood Mountain Formation (1)
-
-
Ogallala Formation (18)
-
Pliocene
-
lower Pliocene (3)
-
upper Pliocene
-
Rexroad Formation (1)
-
-
-
-
Paleogene
-
Chadron Formation (5)
-
Eocene
-
middle Eocene
-
Aycross Formation (1)
-
Bartonian (1)
-
Santee Limestone (1)
-
-
upper Eocene
-
Chadronian (6)
-
-
-
Oligocene
-
Brule Formation (17)
-
Fish Canyon Tuff (1)
-
lower Oligocene (8)
-
middle Oligocene (1)
-
upper Oligocene (1)
-
-
Paleocene
-
lower Paleocene
-
K-T boundary (1)
-
-
-
Renova Formation (1)
-
White River Group (15)
-
-
-
upper Cenozoic
-
Chesapeake Group (1)
-
-
-
Central America
-
Belize (1)
-
-
chemical analysis (2)
-
Chordata
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Vertebrata
-
Pisces
-
Osteichthyes
-
Actinopterygii
-
Chondrostei
-
Palaeonisciformes (1)
-
-
-
-
-
Tetrapoda
-
Amphibia
-
Lissamphibia (1)
-
-
Aves
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Neornithes
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Neognathae
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Galliformes (1)
-
-
-
-
Mammalia
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Theria
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Eutheria
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Artiodactyla
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Ruminantia
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Tylopoda
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Camelidae (3)
-
-
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Suiformes (1)
-
-
Carnivora
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Fissipeda
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Canidae (2)
-
Mustelidae (2)
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-
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Chiroptera (2)
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Edentata (1)
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Insectivora
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Soricidae (1)
-
-
Lagomorpha (3)
-
Perissodactyla
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Ceratomorpha
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Rhinocerotidae
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Rhinoceros (2)
-
-
-
Hippomorpha
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Equidae
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Equus (3)
-
-
-
-
Proboscidea
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Elephantoidea
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Elephantidae
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Mammuthus (1)
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-
-
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Rodentia
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Castoridae (4)
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Myomorpha
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Cricetidae (1)
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Eomyidae (2)
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Sciuromorpha
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Sciuridae (2)
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-
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Ungulata (2)
-
-
Metatheria
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Marsupialia
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Polyprotodontia
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Didelphidae (1)
-
-
-
-
-
-
Reptilia
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Diapsida
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Lepidosauria (1)
-
-
Synapsida
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Therapsida
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Dicynodontia (1)
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-
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clay mineralogy (7)
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climate change (11)
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conservation (1)
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construction materials
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continental drift (1)
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East Pacific Ocean Islands
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Europe
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Spain
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Western Europe
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United Kingdom
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faults (17)
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fractures (6)
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geochemistry (21)
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Graptolithina (1)
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ground water (20)
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heat flow (3)
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hydrogen
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D/H (1)
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deuterium (1)
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hydrogeology (7)
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hydrology (6)
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ichnofossils (7)
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igneous rocks
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plutonic rocks
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granites (4)
-
-
volcanic rocks
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glasses
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volcanic glass (1)
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-
pyroclastics
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tuff (4)
-
-
-
-
intrusions (3)
-
Invertebrata
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Arthropoda
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Chelicerata
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Merostomata
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Eurypterida (1)
-
-
-
Mandibulata
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Crustacea
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Ostracoda (2)
-
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Insecta
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Pterygota
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Neoptera
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Endopterygota
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Coleoptera (1)
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Hymenoptera (1)
-
-
-
-
-
-
Trilobitomorpha
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Trilobita
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Ptychopariida (1)
-
-
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Brachiopoda (5)
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Bryozoa (1)
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Cnidaria
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Anthozoa (2)
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Scyphozoa (1)
-
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Echinodermata
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Crinozoa
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Crinoidea (2)
-
-
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Mollusca
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Bivalvia
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Pterioida
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Pteriina
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Inocerami
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Inoceramidae
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Inoceramus (1)
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-
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-
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-
Cephalopoda
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Ammonoidea (3)
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Coleoidea (1)
-
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Gastropoda
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Pulmonata (1)
-
-
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Protista
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Foraminifera
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Fusulinina
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Fusulinidae (2)
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-
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Thecamoeba (1)
-
-
-
isotopes
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radioactive isotopes
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Be-10 (1)
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Be-7 (1)
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C-14 (9)
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Cs-137 (1)
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stable isotopes
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B-11/B-10 (1)
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C-13 (1)
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C-13/C-12 (17)
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D/H (1)
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deuterium (1)
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Ne-21 (1)
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O-18/O-16 (10)
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Sr-87/Sr-86 (1)
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-
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land use (1)
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mantle (1)
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maps (7)
-
Mesozoic
-
Cretaceous
-
Dakota Formation (22)
-
Graneros Shale (4)
-
Lower Cretaceous
-
Albian
-
upper Albian (2)
-
-
Bear River Formation (1)
-
Cheyenne Sandstone (1)
-
Kiowa Formation (2)
-
Mowry Shale (3)
-
Muddy Sandstone (4)
-
Skull Creek Shale (2)
-
-
Middle Cretaceous (4)
-
Upper Cretaceous
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Bridge Creek Limestone Member (1)
-
Campanian
-
lower Campanian (1)
-
-
Carlile Shale (6)
-
Castlegate Sandstone (1)
-
Cenomanian (7)
-
Codell Sandstone Member (4)
-
Fort Hays Limestone Member (3)
-
Greenhorn Limestone (4)
-
Gulfian
-
Eagle Ford Formation (2)
-
-
K-T boundary (1)
-
Laramie Formation (1)
-
Maestrichtian (1)
-
Niobrara Formation (16)
-
Pierre Shale (10)
-
Santonian (1)
-
Senonian (2)
-
Sharon Springs Member (1)
-
Smoky Hill Chalk Member (5)
-
Turonian
-
upper Turonian (1)
-
-
-
-
Jurassic
-
Posidonia Shale (1)
-
Upper Jurassic
-
Entrada Sandstone (1)
-
Haynesville Formation (1)
-
Morrison Formation (1)
-
-
-
Kayenta Formation (3)
-
Triassic
-
Lower Triassic
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Permian-Triassic boundary (1)
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-
-
-
metal ores
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niobium ores (1)
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rare earth deposits (1)
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metals
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cesium
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Cs-137 (1)
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sodium (2)
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alkaline earth metals
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Be-10 (1)
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strontium
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Sr-87/Sr-86 (1)
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Mexico
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North America
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Appalachian Basin (2)
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Basin and Range Province (1)
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Great Lakes
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Transcontinental Arch (2)
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Western Canada Sedimentary Basin (1)
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Western Interior
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Western Interior Seaway (9)
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Western Overthrust Belt (2)
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nuclear facilities (1)
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Ocean Drilling Program
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Leg 171B
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ODP Site 1052 (1)
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Oceania
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Hawaii
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Honolulu County Hawaii
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Oahu (1)
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oil and gas fields (33)
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oxygen
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O-18/O-16 (10)
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paleoclimatology (41)
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paleoecology (31)
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paleontology (71)
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Paleozoic
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Cambrian
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Middle Cambrian (1)
-
Upper Cambrian
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Galesville Sandstone (1)
-
Lamotte Sandstone (1)
-
Wonewoc Formation (1)
-
-
-
Carboniferous
-
Mississippian
-
Barnett Shale (1)
-
Charles Formation (1)
-
Madison Group (3)
-
Mission Canyon Limestone (1)
-
Upper Mississippian
-
Chesterian (1)
-
-
-
Pennsylvanian
-
Hermosa Group (1)
-
Lower Pennsylvanian
-
Morrowan (1)
-
-
Middle Pennsylvanian
-
Atokan (1)
-
Desmoinesian
-
Cherokee Group (1)
-
Wewoka Formation (2)
-
-
-
Morrow Formation (1)
-
Upper Pennsylvanian
-
Canyon Group (1)
-
Cisco Group (1)
-
Kasimovian (2)
-
Missourian
-
Kansas City Group (8)
-
Lansing Group (10)
-
Stanton Formation (2)
-
-
Virgilian
-
Douglas Group (2)
-
Lawrence Formation (1)
-
Lecompton Limestone (1)
-
Plattsmouth Limestone Member (4)
-
Shawnee Group (2)
-
Wabaunsee Group (2)
-
-
-
-
Upper Carboniferous (2)
-
-
Devonian
-
Middle Devonian
-
Marcellus Shale (1)
-
-
Upper Devonian
-
Duperow Formation (1)
-
Famennian (1)
-
Frasnian (1)
-
Lime Creek Formation (1)
-
-
-
lower Paleozoic (1)
-
Minnelusa Formation (4)
-
Ordovician
-
Middle Ordovician
-
Platteville Formation (1)
-
Simpson Group (1)
-
-
Upper Ordovician (1)
-
Utica Shale (1)
-
-
Permian
-
Chase Group (1)
-
Cottonwood Limestone (1)
-
Council Grove Group (3)
-
Eskridge Shale (1)
-
Guadalupian (1)
-
Hughes Creek Shale (1)
-
Lower Permian
-
Cisuralian
-
Asselian (1)
-
-
Leonardian (1)
-
Wolfcampian (5)
-
-
Lyons Sandstone (4)
-
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