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NARROW
Format
Article Type
Journal
Publisher
Section
GeoRef Subject
-
all geography including DSDP/ODP Sites and Legs
-
Africa
-
North Africa
-
Libya (1)
-
-
Southern Africa
-
South Africa (1)
-
-
West Africa
-
Niger River (2)
-
Nigeria
-
Niger Delta (1)
-
-
-
-
Arctic region
-
Greenland
-
Ivittuut Greenland (1)
-
-
-
Asia
-
Arabian Peninsula
-
Saudi Arabia (2)
-
-
Far East
-
China
-
Hubei China (1)
-
Kunlun Mountains (1)
-
Loess Plateau (1)
-
Qinghai China (1)
-
Yangtze River (1)
-
-
Taiwan
-
Taipei Taiwan (1)
-
-
-
Indian Peninsula
-
India
-
Andhra Pradesh India
-
Cuddapah Basin (1)
-
-
Orissa India (1)
-
-
-
-
Atlantic Ocean
-
North Atlantic
-
Gulf of Cadiz (1)
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Gulf of Mexico (12)
-
Northeast Atlantic (1)
-
-
-
Australasia
-
Australia
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South Australia
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Gawler Craton (1)
-
-
-
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Black Hills (1)
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Buffalo River (1)
-
Cache Valley (2)
-
Canada
-
Arctic Archipelago (4)
-
Eastern Canada
-
Maritime Provinces
-
New Brunswick (1)
-
Nova Scotia
-
Colchester County Nova Scotia (1)
-
-
-
Meguma Terrane (1)
-
Newfoundland and Labrador
-
Newfoundland (2)
-
-
Ontario
-
Manitoulin District Ontario (1)
-
Sudbury District Ontario (1)
-
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Quebec (5)
-
-
Nunavut
-
Somerset Island (1)
-
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Queen Elizabeth Islands
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Parry Islands (2)
-
-
Western Canada
-
Alberta (5)
-
British Columbia (1)
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Northwest Territories (9)
-
-
-
Cape Ann (1)
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Colorado River (1)
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Colville River (1)
-
Commonwealth of Independent States
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Donets Basin (1)
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Russian Federation
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Kaliningrad Russian Federation (1)
-
-
-
Copperbelt (1)
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Cornwallis Island (2)
-
Europe
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Baltic region
-
Estonia (1)
-
-
Central Europe
-
Czech Republic
-
Bohemia (1)
-
-
Germany
-
North Rhine-Westphalia Germany (1)
-
-
-
Donets Basin (1)
-
Fennoscandian Shield (1)
-
Kaliningrad Russian Federation (1)
-
Pyrenees
-
Spanish Pyrenees (1)
-
-
Rhine River (1)
-
Southern Europe
-
Iberian Peninsula
-
Portugal (2)
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Spain
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Spanish Pyrenees (1)
-
-
-
-
Western Europe
-
Belgium (1)
-
France
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Loire River (1)
-
-
Ireland
-
Dublin Ireland (1)
-
-
Netherlands (3)
-
Scandinavia
-
Norway
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Trondelag (1)
-
-
Sweden
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Norrbotten Sweden
-
Kiruna Sweden (1)
-
-
-
-
United Kingdom
-
Great Britain
-
England
-
Derbyshire England (1)
-
-
Scotland (2)
-
-
Northern Ireland (1)
-
-
Wadden Sea (2)
-
-
-
Glass Mountains (1)
-
Grand River (2)
-
Gulf of Mexico Basin (2)
-
Illinois River (1)
-
Iola Field (1)
-
Iron Mountain (2)
-
James River (1)
-
Marble Canyon (1)
-
Mexico
-
Coahuila Mexico (1)
-
-
North America
-
Appalachian Basin (5)
-
Appalachians
-
Central Appalachians (1)
-
Piedmont (1)
-
Southern Appalachians (1)
-
-
Basin and Range Province (1)
-
Canadian Shield
-
Grenville Province (2)
-
-
Great Lakes
-
Lake Michigan (5)
-
-
Great Lakes region (5)
-
Great Plains
-
Northern Great Plains (2)
-
-
Grenville Front (1)
-
Gulf Coastal Plain (14)
-
Michigan Basin (9)
-
Mississippi River basin (3)
-
Missouri River basin (1)
-
North American Craton (1)
-
Rocky Mountains
-
U. S. Rocky Mountains
-
Wet Mountains (1)
-
-
-
Western Interior (1)
-
Williston Basin (1)
-
-
North Slope (1)
-
Oceania
-
Melanesia (1)
-
-
Owens Valley (1)
-
Pacific Ocean
-
North Pacific
-
Northwest Pacific
-
South China Sea
-
Gulf of Thailand (1)
-
-
-
-
West Pacific
-
Northwest Pacific
-
South China Sea
-
Gulf of Thailand (1)
-
-
-
-
-
Peace River (1)
-
Platte River basin (1)
-
Salt River (1)
-
San Andreas Fault (1)
-
Silver Lake (2)
-
Solomon Islands (1)
-
South America
-
Argentina (1)
-
Brazil (1)
-
Chile
-
Santiago Chile (1)
-
-
Venezuela
-
Federal District Venezuela
-
Caracas Venezuela (1)
-
-
-
-
Trinity River (1)
-
United States
-
Alabama
-
Madison County Alabama (1)
-
-
Alaska (4)
-
Anadarko Basin (2)
-
Ardmore Basin (1)
-
Arizona
-
Pima County Arizona
-
Tucson Arizona (1)
-
-
Yuma County Arizona (1)
-
-
Arkansas
-
Benton County Arkansas (4)
-
Boone County Arkansas (5)
-
Carroll County Arkansas (1)
-
Crittenden County Arkansas (1)
-
Fulton County Arkansas (2)
-
Independence County Arkansas (2)
-
Izard County Arkansas (3)
-
Lawrence County Arkansas (1)
-
Madison County Arkansas (4)
-
Marion County Arkansas (4)
-
Mississippi County Arkansas (2)
-
Newton County Arkansas (3)
-
Poinsett County Arkansas (2)
-
Randolph County Arkansas (1)
-
Searcy County Arkansas (5)
-
Sharp County Arkansas (3)
-
Stone County Arkansas (2)
-
Washington County Arkansas
-
Fayetteville Arkansas (5)
-
-
-
Arkansas River (1)
-
Arkansas River valley (1)
-
Arkoma Basin (5)
-
California
-
Central California (1)
-
Los Angeles County California
-
Pasadena California (1)
-
-
San Francisco Bay region (1)
-
San Francisco County California
-
San Francisco California (1)
-
-
-
Canadian River (1)
-
Cherokee Basin (3)
-
Cincinnati Arch (3)
-
Colorado
-
Fremont County Colorado (1)
-
Mineral County Colorado
-
Creede mining district (1)
-
-
Piceance Basin (1)
-
Wet Mountains (1)
-
-
Colorado Plateau (2)
-
Connecticut (1)
-
Eastern U.S.
-
Southeastern U.S. (1)
-
-
Florida (2)
-
Forest City Basin (9)
-
Georgia
-
Dade County Georgia (1)
-
Walker County Georgia (1)
-
-
Idaho
-
Bonneville County Idaho (1)
-
-
Illinois
-
Adams County Illinois (3)
-
Alexander County Illinois (9)
-
Calhoun County Illinois (4)
-
Christian County Illinois (2)
-
Clinton County Illinois (2)
-
Cook County Illinois
-
Chicago Illinois (1)
-
-
Effingham County Illinois (1)
-
Fulton County Illinois (6)
-
Hancock County Illinois (6)
-
Jackson County Illinois
-
Carbondale Illinois (1)
-
-
Jefferson County Illinois (1)
-
Jersey County Illinois (3)
-
Johnson County Illinois (2)
-
Knox County Illinois (1)
-
La Salle County Illinois (1)
-
Lee County Illinois (1)
-
Livingston County Illinois (1)
-
Macon County Illinois (1)
-
Macoupin County Illinois (2)
-
Mason County Illinois (1)
-
Massac County Illinois (2)
-
Mazon Creek (1)
-
Monroe County Illinois (2)
-
Montgomery County Illinois (2)
-
Morgan County Illinois (2)
-
Peoria County Illinois (1)
-
Pike County Illinois (2)
-
Pulaski County Illinois (2)
-
Randolph County Illinois (4)
-
Saint Clair County Illinois (5)
-
Sangamon County Illinois
-
Springfield Illinois (2)
-
-
Schuyler County Illinois (4)
-
Tazewell County Illinois (2)
-
Union County Illinois (5)
-
Washington County Illinois (1)
-
Will County Illinois (1)
-
Williamson County Illinois (2)
-
-
Illinois Basin (94)
-
Indiana
-
Jasper County Indiana (1)
-
Lawrence County Indiana (1)
-
Monroe County Indiana (1)
-
Montgomery County Indiana (2)
-
Morgan County Indiana (1)
-
Parke County Indiana (1)
-
Warrick County Indiana (2)
-
-
Iowa
-
Adair County Iowa (1)
-
Appanoose County Iowa (1)
-
Clinton County Iowa (1)
-
Des Moines County Iowa (2)
-
Lee County Iowa (5)
-
Madison County Iowa (1)
-
Mahaska County Iowa (1)
-
Van Buren County Iowa (1)
-
-
Kansas
-
Allen County Kansas (1)
-
Anderson County Kansas
-
Garnett Kansas (5)
-
-
Atchison County Kansas (1)
-
Barton County Kansas (1)
-
Bourbon County Kansas (3)
-
Cherokee County Kansas (4)
-
Coffey County Kansas (4)
-
Crawford County Kansas (4)
-
Doniphan County Kansas (1)
-
Douglas County Kansas (15)
-
Franklin County Kansas (3)
-
Jefferson County Kansas (2)
-
Johnson County Kansas (7)
-
Kansas River (3)
-
Labette County Kansas (2)
-
Leavenworth County Kansas (3)
-
Linn County Kansas (3)
-
Miami County Kansas (2)
-
Montgomery County Kansas (3)
-
Neosho County Kansas (1)
-
Osage County Kansas (2)
-
Shawnee County Kansas
-
Topeka Kansas (2)
-
-
Wabaunsee County Kansas (1)
-
Wilson County Kansas (7)
-
Woodson County Kansas (10)
-
Wyandotte County Kansas
-
Kansas City Kansas (6)
-
-
-
Kentucky
-
Allen County Kentucky (1)
-
Ballard County Kentucky (1)
-
Carlisle County Kentucky (1)
-
Fulton County Kentucky (2)
-
Hickman County Kentucky (2)
-
Kentucky River valley (1)
-
Lincoln County Kentucky (2)
-
Rough Creek fault zone (2)
-
-
Louisiana
-
Atchafalaya River (4)
-
East Baton Rouge Parish Louisiana (1)
-
Lake Pontchartrain (1)
-
Orleans Parish Louisiana
-
New Orleans Louisiana (2)
-
-
-
Maryland (1)
-
Massachusetts
-
Essex County Massachusetts (1)
-
Middlesex County Massachusetts (1)
-
Suffolk County Massachusetts
-
Boston Massachusetts (2)
-
-
-
Michigan
-
Michigan Lower Peninsula
-
Montmorency County Michigan (1)
-
-
-
Midcontinent (71)
-
Midwest (73)
-
Minnesota
-
Anoka County Minnesota (1)
-
Hennepin County Minnesota (1)
-
-
Mississippi (27)
-
Mississippi Delta (16)
-
Mississippi Embayment (50)
-
Mississippi River (87)
-
Mississippi Sound (1)
-
Mississippi Valley
-
Lower Mississippi Valley (5)
-
Upper Mississippi Valley (28)
-
-
Missouri
-
Andrew County Missouri (1)
-
Audrain County Missouri (1)
-
Barton County Missouri (1)
-
Bates County Missouri (1)
-
Benton County Missouri (1)
-
Bollinger County Missouri (3)
-
Boone County Missouri
-
Columbia Missouri (2)
-
-
Butler County Missouri (4)
-
Callaway County Missouri (4)
-
Camden County Missouri (1)
-
Cape Girardeau County Missouri (4)
-
Carter County Missouri (1)
-
Christian County Missouri (1)
-
Clark County Missouri (1)
-
Clay County Missouri (2)
-
Cooper County Missouri (6)
-
Crawford County Missouri (8)
-
Dade County Missouri (1)
-
Decaturville impact structure (1)
-
Dent County Missouri (3)
-
Dunklin County Missouri (3)
-
Franklin County Missouri (3)
-
Gasconade County Missouri (4)
-
Greene County Missouri
-
Springfield Missouri (4)
-
-
Grundy County Missouri (1)
-
Henry County Missouri (2)
-
Hickory County Missouri (1)
-
Howard County Missouri (2)
-
Iron County Missouri (32)
-
Jackson County Missouri (8)
-
Jasper County Missouri (3)
-
Jefferson County Missouri (8)
-
Joplin Missouri (4)
-
Kansas City Missouri (16)
-
Laclede County Missouri (1)
-
Lawrence County Missouri (1)
-
Lewis County Missouri (1)
-
Lincoln County Missouri (1)
-
Livingston County Missouri (1)
-
Madison County Missouri (14)
-
Maries County Missouri (2)
-
Marion County Missouri (3)
-
McDonald County Missouri (3)
-
Mississippi County Missouri (2)
-
Montgomery County Missouri (2)
-
New Madrid County Missouri
-
New Madrid Missouri (14)
-
-
Osage County Missouri (3)
-
Ozark County Missouri (1)
-
Pemiscot County Missouri (4)
-
Perry County Missouri (4)
-
Pettis County Missouri (2)
-
Phelps County Missouri (3)
-
Pike County Missouri (6)
-
Platte County Missouri (4)
-
Polk County Missouri (2)
-
Pulaski County Missouri (3)
-
Ralls County Missouri (7)
-
Reynolds County Missouri (23)
-
Ripley County Missouri (1)
-
Saint Charles County Missouri (2)
-
Saint Francois County Missouri (7)
-
Saint Francois Mountains (36)
-
Saint Louis County Missouri
-
Saint Louis Missouri (26)
-
-
Sainte Genevieve County Missouri (6)
-
Scott County Missouri (3)
-
Shannon County Missouri (3)
-
Stoddard County Missouri (8)
-
Stone County Missouri (2)
-
Taney County Missouri (1)
-
Texas County Missouri (1)
-
Viburnum Trend (34)
-
Warren County Missouri (1)
-
Washington County Missouri (7)
-
Wayne County Missouri (5)
-
-
Missouri River (9)
-
Missouri River valley (2)
-
Montana
-
Fergus County Montana (2)
-
-
Nebraska
-
Cass County Nebraska (1)
-
Richardson County Nebraska (1)
-
-
Nemaha Ridge (2)
-
Nevada
-
Lincoln County Nevada (1)
-
Nye County Nevada (1)
-
-
New Hampshire (1)
-
New Madrid region (153)
-
New Mexico (9)
-
New York
-
New York City New York (3)
-
Onondaga County New York (1)
-
-
North Carolina (1)
-
North Dakota (3)
-
Ohio
-
Hamilton County Ohio
-
Cincinnati Ohio (2)
-
-
Ross County Ohio (1)
-
-
Ohio River (5)
-
Ohio River valley (5)
-
Oklahoma
-
Adair County Oklahoma (2)
-
Blaine County Oklahoma (1)
-
Carter County Oklahoma (1)
-
Cherokee County Oklahoma (2)
-
Cleveland County Oklahoma (1)
-
Craig County Oklahoma (5)
-
Delaware County Oklahoma (1)
-
Garfield County Oklahoma (1)
-
Latimer County Oklahoma (1)
-
Le Flore County Oklahoma (1)
-
Mayes County Oklahoma (3)
-
Meers Fault (1)
-
Nowata County Oklahoma (3)
-
Osage County Oklahoma (1)
-
Ottawa County Oklahoma
-
Picher Oklahoma (3)
-
-
Pontotoc County Oklahoma (1)
-
Rogers County Oklahoma (2)
-
Seminole County Oklahoma (1)
-
Tulsa County Oklahoma (1)
-
Washington County Oklahoma (2)
-
Wichita Mountains (3)
-
-
Ouachita Mountains (5)
-
Ozark Mountains (49)
-
Pennsylvania
-
Blair County Pennsylvania (1)
-
Fayette County Pennsylvania (1)
-
-
Reelfoot Rift (33)
-
South Carolina
-
Charleston County South Carolina
-
Charleston South Carolina (4)
-
-
-
South Dakota (10)
-
Southern U.S. (7)
-
Tennessee
-
Davidson County Tennessee
-
Nashville Tennessee (1)
-
-
Decatur County Tennessee (1)
-
Dyer County Tennessee (3)
-
Grundy County Tennessee (1)
-
Hamilton County Tennessee (1)
-
Haywood County Tennessee (1)
-
Jefferson County Tennessee (1)
-
Lake County Tennessee (10)
-
Lauderdale County Tennessee (1)
-
Madison County Tennessee (1)
-
Obion County Tennessee (3)
-
Reelfoot Lake (8)
-
Rutherford County Tennessee (1)
-
Shelby County Tennessee
-
Memphis Tennessee (10)
-
-
Tipton County Tennessee (3)
-
-
Texas
-
Amarillo Uplift (1)
-
Brazos River (2)
-
Brown County Texas (1)
-
Burnet County Texas (1)
-
Davis Mountains (3)
-
Hartley County Texas (1)
-
Houston County Texas (1)
-
Jack County Texas (1)
-
Leon County Texas (1)
-
Llano County Texas
-
Llano Texas (1)
-
-
Lubbock County Texas (1)
-
McCulloch County Texas (1)
-
Moore County Texas (1)
-
Potter County Texas (1)
-
San Saba County Texas (1)
-
West Texas (1)
-
Wise County Texas (1)
-
-
Tombigbee River (1)
-
U. S. Rocky Mountains
-
Wet Mountains (1)
-
-
Utah
-
Bingham mining district (1)
-
-
Virginia
-
Giles County Virginia (1)
-
-
Wabash Valley (14)
-
Wasatch fault zone (1)
-
Washington
-
King County Washington
-
Seattle Washington (1)
-
-
-
West Virginia
-
Mercer County West Virginia (1)
-
-
Western U.S. (2)
-
Wisconsin
-
Milwaukee County Wisconsin (1)
-
Trempealeau County Wisconsin (1)
-
Waukesha County Wisconsin (1)
-
-
Wyoming (5)
-
-
White River (2)
-
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commodities
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aggregate (2)
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barite deposits (11)
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bentonite deposits (1)
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bitumens
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asphalt (2)
-
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brines (21)
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calcite deposits (1)
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ceramic materials (1)
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coal deposits
-
coke coal (1)
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construction materials
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dimension stone (1)
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energy sources (20)
-
fluorspar deposits (1)
-
fuller's earth (3)
-
industrial minerals (3)
-
limestone deposits (2)
-
metal ores
-
base metals (9)
-
cadmium ores (1)
-
cobalt ores (2)
-
copper ores (13)
-
gold ores (6)
-
IOCG deposits (5)
-
iron ores (16)
-
lead ores (51)
-
lead-zinc deposits (63)
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manganese ores (3)
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molybdenum ores (1)
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nickel ores (3)
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polymetallic ores (1)
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rare earth deposits (6)
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silver ores (4)
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tungsten ores (1)
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uranium ores (3)
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vanadium ores (2)
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zinc ores (33)
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mineral deposits, genesis (115)
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mineral exploration (14)
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mineral resources (3)
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oil and gas fields (25)
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petroleum
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natural gas
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coalbed methane (1)
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phosphate deposits (5)
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refractory materials (2)
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sulfur deposits (1)
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tight sands (1)
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water resources (4)
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elements, isotopes
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boron (1)
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carbon
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C-13 (2)
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C-13/C-12 (26)
-
C-14 (23)
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organic carbon (7)
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chemical elements (2)
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chemical ratios (4)
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halogens
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bromine
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bromide ion (3)
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chlorine
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chloride ion (3)
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fluorine (1)
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hydrogen
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D/H (8)
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deuterium (5)
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isotope ratios (28)
-
isotopes
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radioactive isotopes
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Al-26 (2)
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Be-10 (3)
-
C-14 (23)
-
Cs-137 (3)
-
Pb-206/Pb-204 (2)
-
Pb-207/Pb-204 (2)
-
Pb-208/Pb-204 (2)
-
-
stable isotopes
-
Ar-40/Ar-36 (1)
-
C-13 (2)
-
C-13/C-12 (26)
-
D/H (8)
-
deuterium (5)
-
Fe-56/Fe-54 (1)
-
He-4/He-3 (1)
-
Hf-177/Hf-176 (1)
-
Nd-144/Nd-143 (3)
-
Ne-22/Ne-20 (1)
-
Ne-22/Ne-21 (1)
-
O-18 (1)
-
O-18/O-16 (27)
-
Os-188/Os-187 (1)
-
Pb-206/Pb-204 (2)
-
Pb-207/Pb-204 (2)
-
Pb-208/Pb-204 (2)
-
S-34 (1)
-
S-34/S-32 (15)
-
Sr-87/Sr-86 (14)
-
-
-
Lu/Hf (2)
-
metals
-
actinides
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thorium (1)
-
uranium (1)
-
-
alkali metals
-
cesium
-
Cs-137 (3)
-
-
lithium (1)
-
potassium (4)
-
sodium (8)
-
-
alkaline earth metals
-
barium (4)
-
beryllium
-
Be-10 (3)
-
-
calcium (5)
-
magnesium (6)
-
strontium
-
Sr-87/Sr-86 (14)
-
-
-
aluminum
-
Al-26 (2)
-
-
arsenic (2)
-
cadmium (3)
-
chromium (2)
-
copper (6)
-
hafnium
-
Hf-177/Hf-176 (1)
-
-
iron
-
Fe-56/Fe-54 (1)
-
ferric iron (1)
-
-
lead
-
Pb-206/Pb-204 (2)
-
Pb-207/Pb-204 (2)
-
Pb-208/Pb-204 (2)
-
-
manganese (4)
-
molybdenum (1)
-
nickel (4)
-
platinum group
-
osmium
-
Os-188/Os-187 (1)
-
-
-
rare earths
-
cerium (1)
-
dysprosium (1)
-
europium (1)
-
neodymium
-
Nd-144/Nd-143 (3)
-
-
ytterbium (1)
-
yttrium (1)
-
-
silver (1)
-
titanium (2)
-
tungsten (1)
-
zinc (17)
-
zirconium (2)
-
-
nitrogen (2)
-
noble gases
-
argon
-
Ar-40/Ar-36 (1)
-
-
helium
-
He-4/He-3 (1)
-
-
neon
-
Ne-22/Ne-20 (1)
-
Ne-22/Ne-21 (1)
-
-
radon (1)
-
-
oxygen
-
O-18 (1)
-
O-18/O-16 (27)
-
-
phosphorus (1)
-
selenium (2)
-
sulfur
-
S-34 (1)
-
S-34/S-32 (15)
-
-
trace metals (1)
-
-
fossils
-
bacteria (2)
-
borings (4)
-
burrows (8)
-
Chordata
-
Vertebrata
-
Pisces
-
Chondrichthyes
-
Elasmobranchii
-
Neoselachii (1)
-
Selachii (1)
-
-
Euselachii (1)
-
-
Osteichthyes (1)
-
-
Tetrapoda
-
Amphibia
-
Labyrinthodontia (2)
-
-
Aves
-
Neornithes
-
Neognathae
-
Galliformes (1)
-
-
-
-
Mammalia
-
Theria
-
Eutheria
-
Perissodactyla
-
Hippomorpha
-
Equidae
-
Equus (1)
-
-
-
-
Proboscidea
-
Elephantoidea
-
Elephantidae
-
Mammuthus (1)
-
-
-
Mastodontoidea
-
Mammutidae
-
Mammut (1)
-
-
-
-
Rodentia (1)
-
-
-
-
Reptilia
-
Anapsida
-
Cotylosauria (1)
-
Testudines
-
Cryptodira (1)
-
Emydidae (1)
-
-
-
Diapsida
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Archosauria
-
dinosaurs (1)
-
-
Lepidosauria
-
Squamata (1)
-
-
Rhynchosauria (1)
-
-
Synapsida
-
Pelycosauria (5)
-
-
-
-
-
-
coprolites (2)
-
Cyclostomata (1)
-
fossil man (1)
-
Graptolithina
-
Dendroidea (1)
-
Graptoloidea (1)
-
-
Hemichordata (1)
-
ichnofossils
-
Chondrites ichnofossils (1)
-
-
Invertebrata
-
Arthropoda
-
Chelicerata
-
Arachnida (3)
-
Merostomata
-
Eurypterida (1)
-
-
-
Mandibulata
-
Crustacea
-
Cirripedia (1)
-
Malacostraca (1)
-
Ostracoda
-
Podocopida
-
Bairdiomorpha
-
Bairdiacea
-
Bairdiidae (1)
-
-
-
Cypridocopina
-
Cyprididae
-
Candona (1)
-
-
-
Cytherocopina (1)
-
-
-
-
Insecta
-
Pterygota
-
Neoptera
-
Exopterygota
-
Hemiptera (1)
-
Protorthoptera (1)
-
-
-
-
-
Myriapoda (1)
-
-
Trilobitomorpha
-
Trilobita
-
Phacopida (1)
-
Ptychopariida
-
Proetidae (1)
-
-
-
-
-
Brachiopoda
-
Articulata
-
Pentamerida
-
Pentameracea (1)
-
-
Spiriferida (1)
-
-
-
Bryozoa
-
Cheilostomata (1)
-
Cryptostomata (2)
-
Cystoporata (1)
-
Trepostomata (2)
-
-
Cnidaria
-
Anthozoa
-
Zoantharia
-
Rugosa (3)
-
Tabulata (8)
-
-
-
Hydrozoa (1)
-
-
Echinodermata
-
Asterozoa
-
Stelleroidea
-
Asteroidea (4)
-
Ophiuroidea (2)
-
-
-
Crinozoa
-
Blastoidea (10)
-
Crinoidea
-
Inadunata (2)
-
-
Paracrinoidea (1)
-
-
Echinozoa
-
Cyclocystoidea (2)
-
Echinoidea (4)
-
Edrioasteroidea (2)
-
Holothuroidea (4)
-
-
Homalozoa
-
Stylophora (2)
-
-
-
Mollusca
-
Bivalvia
-
Cyrtodontida (1)
-
-
Cephalopoda
-
Ammonoidea
-
Goniatitida
-
Goniatitidae
-
Goniatites (2)
-
-
-
-
Nautiloidea (1)
-
-
Gastropoda
-
Archaeogastropoda (1)
-
Pulmonata
-
Stylommatophora (1)
-
-
-
Hyolithes (1)
-
Monoplacophora (6)
-
Polyplacophora (2)
-
Rostroconchia (2)
-
-
Porifera
-
Demospongea
-
Chaetetida
-
Chaetetidae (2)
-
-
-
Stromatoporoidea (4)
-
-
Protista
-
Foraminifera
-
Fusulinina
-
Fusulinidae (4)
-
-
-
Radiolaria (1)
-
-
Vermes
-
Annelida (2)
-
Nematoida (1)
-
Polychaeta
-
Serpulidae (1)
-
-
scolecodonts (1)
-
-
-
microfossils
-
Charophyta (1)
-
Chitinozoa (2)
-
Conodonta
-
Gondolella (2)
-
Neognathodus (2)
-
Spathognathodus (1)
-
Streptognathodus (2)
-
-
Fusulinina
-
Fusulinidae (4)
-
-
problematic microfossils (1)
-
scolecodonts (1)
-
-
palynomorphs
-
acritarchs (2)
-
Chitinozoa (2)
-
megaspores (3)
-
miospores
-
pollen (2)
-
-
-
Plantae
-
algae
-
calcareous algae (1)
-
Chlorophyta
-
Charophyta (1)
-
Chlorophyceae
-
Receptaculitaceae (1)
-
-
-
Coccolithophoraceae (1)
-
Rhodophyta
-
Corallinaceae (1)
-
-
-
Pteridophyta
-
Filicopsida
-
Taeniopteris (1)
-
-
Lycopsida (6)
-
Sphenopsida (2)
-
-
Spermatophyta
-
Gymnospermae
-
Coniferales
-
Picea (1)
-
-
Cordaitales (1)
-
Cycadales (2)
-
Pteridospermae
-
Neuropteris (1)
-
-
-
-
-
problematic fossils
-
problematic microfossils (1)
-
-
Pterobranchia (1)
-
thallophytes (9)
-
tracks (6)
-
trails (2)
-
-
geochronology methods
-
Ar/Ar (3)
-
fission-track dating (1)
-
K/Ar (3)
-
Lu/Hf (2)
-
optically stimulated luminescence (4)
-
paleomagnetism (15)
-
Pb/Pb (2)
-
racemization (2)
-
Rb/Sr (7)
-
Re/Os (2)
-
Sm/Nd (3)
-
Sr/Sr (1)
-
Th/U (1)
-
thermoluminescence (3)
-
tree rings (2)
-
U/Pb (15)
-
U/Th/Pb (1)
-
-
geologic age
-
Cenozoic
-
Quaternary
-
Clovis (1)
-
Holocene
-
middle Holocene (1)
-
upper Holocene (22)
-
-
Pleistocene
-
Glasford Formation (2)
-
Illinoian (1)
-
Kansan (3)
-
Lake Chicago (2)
-
Loveland Loess (1)
-
lower Pleistocene (3)
-
Matuyama Chron (2)
-
Peoria Loess (5)
-
Roxana Silt (3)
-
upper Pleistocene
-
Sangamonian (1)
-
Weichselian
-
upper Weichselian
-
Younger Dryas (2)
-
-
-
Wisconsinan
-
upper Wisconsinan (5)
-
Woodfordian (3)
-
-
-
Wedron Formation (2)
-
-
upper Quaternary
-
Brunhes Chron (2)
-
-
-
Stone Age
-
Paleolithic (1)
-
-
Tertiary
-
Neogene
-
Pliocene
-
upper Pliocene (2)
-
-
-
Paleogene
-
Eocene
-
Absaroka Supergroup (1)
-
lower Eocene
-
Thebes Formation (1)
-
-
middle Eocene
-
Claiborne Group (1)
-
-
upper Eocene
-
Jackson Group (1)
-
-
-
Oligocene
-
Frio Formation (1)
-
-
Paleocene
-
Clayton Formation (3)
-
lower Paleocene
-
K-T boundary (2)
-
-
Midway Group (1)
-
Porters Creek Formation (5)
-
-
Wilcox Group (1)
-
-
-
upper Cenozoic (2)
-
-
Coal Measures (2)
-
Laurentide ice sheet (5)
-
Mesozoic
-
Cretaceous
-
Dakota Formation (1)
-
Lower Cretaceous
-
Aptian (1)
-
Bluesky Formation (1)
-
Gething Formation (1)
-
McMurray Formation (1)
-
-
Upper Cretaceous
-
Ferron Sandstone Member (1)
-
Fox Hills Formation (1)
-
Greenhorn Limestone (1)
-
K-T boundary (2)
-
Maestrichtian
-
upper Maestrichtian (1)
-
-
Santonian (1)
-
-
-
Jurassic
-
Upper Jurassic
-
Smackover Formation (1)
-
-
-
Triassic
-
Lower Triassic (2)
-
-
-
Paleozoic
-
Arbuckle Group (6)
-
Cambrian
-
Lower Cambrian (3)
-
Upper Cambrian
-
Bonneterre Formation (41)
-
Copper Ridge Dolomite (1)
-
Eau Claire Formation (2)
-
Galesville Sandstone (1)
-
Lamotte Sandstone (16)
-
Maynardville Limestone (1)
-
Mount Simon Sandstone (7)
-
Trempealeauan (1)
-
Wonewoc Formation (1)
-
-
-
Carboniferous
-
Bartlesville Sand (2)
-
Diamond Peak Formation (1)
-
Hale Formation (1)
-
Lower Carboniferous
-
Dinantian (7)
-
-
Middle Carboniferous (2)
-
Mississippian
-
Boone Formation (8)
-
Borden Group (3)
-
Harrodsburg Limestone (4)
-
Lower Mississippian
-
Chappel Limestone (1)
-
Chouteau Limestone (4)
-
Fort Payne Formation (2)
-
Kinderhookian (10)
-
Osagian
-
Burlington Limestone (36)
-
Keokuk Limestone (22)
-
-
Tournaisian
-
upper Tournaisian (1)
-
-
-
Middle Mississippian
-
Visean (3)
-
-
Ramp Creek Formation (2)
-
Upper Mississippian
-
Chesterian
-
Aux Vases Sandstone (3)
-
Golconda Formation (4)
-
Imo Formation (3)
-
Renault Formation (6)
-
-
Fayetteville Formation (7)
-
Greenbrier Limestone (1)
-
Hartselle Sandstone (1)
-
Heath Formation (1)
-
Meramecian
-
Saint Louis Limestone (3)
-
Sainte Genevieve Limestone (12)
-
Salem Limestone (5)
-
Warsaw Formation (11)
-
-
Parkwood Formation (1)
-
Pennington Formation (2)
-
Pitkin Limestone (3)
-
Pride Mountain Formation (1)
-
-
Valmeyeran (1)
-
Windsor Group (1)
-
-
Namurian (1)
-
Pennsylvanian
-
Francis Creek Shale (4)
-
Herrin Coal Member (5)
-
Lower Pennsylvanian
-
Caseyville Formation (6)
-
Morrowan (1)
-
-
Mansfield Formation (2)
-
Marble Falls Group (1)
-
Mattoon Formation (1)
-
Middle Pennsylvanian
-
Atokan (2)
-
Carbondale Formation (10)
-
Desmoinesian
-
Cabaniss Formation (1)
-
Cherokee Group (10)
-
Krebs Group (1)
-
Labette Shale (1)
-
Marmaton Group (2)
-
-
Dugger Formation (1)
-
Kanawha Formation (1)
-
Kewanee Group (1)
-
Moscovian (2)
-
Petersburg Formation (1)
-
Spoon Formation (2)
-
Staunton Formation (2)
-
Tradewater Formation (3)
-
-
Springfield Coal Member (4)
-
Upper Pennsylvanian
-
Canyon Group (2)
-
Cisco Group (1)
-
Gzhelian (1)
-
Kasimovian (3)
-
Missourian
-
Kansas City Group (8)
-
Lansing Group (9)
-
Plattsburg Limestone (3)
-
Pleasanton Group (1)
-
Rock Lake Shale Member (5)
-
Stanton Formation (5)
-
Wyandotte Limestone (1)
-
-
Virgilian
-
Douglas Group (7)
-
Lawrence Formation (4)
-
Lecompton Limestone (1)
-
Oread Limestone (1)
-
Plattsmouth Limestone Member (1)
-
Shawnee Group (5)
-
Tonganoxie Sandstone (3)
-
Wabaunsee Group (2)
-
-
-
-
Upper Carboniferous
-
Stephanian (2)
-
Westphalian (4)
-
-
-
Chattanooga Shale (3)
-
Devonian
-
Cedar City Formation (4)
-
Lower Devonian
-
Emsian (1)
-
Gedinnian (2)
-
Siegenian (1)
-
-
Middle Devonian
-
Columbus Limestone (1)
-
Detroit River Group (1)
-
Eifelian (1)
-
Givetian (1)
-
Hamilton Group (1)
-
Moscow Formation (1)
-
Saint Laurent Limestone (2)
-
-
Upper Devonian
-
Famennian (2)
-
Frasnian (1)
-
Nisku Formation (1)
-
Ohio Shale (1)
-
-
Waterways Formation (1)
-
-
Knox Group (2)
-
lower Paleozoic
-
Cape Phillips Formation (1)
-
-
Minnelusa Formation (1)
-
New Albany Shale (9)
-
Ordovician
-
Eureka Quartzite (1)
-
Lower Ordovician (12)
-
Middle Ordovician
-
Champlainian (3)
-
Chazyan (1)
-
Decorah Shale (2)
-
Deicke Bentonite Bed (1)
-
Everton Formation (2)
-
Galena Dolomite (6)
-
Glenwood Shale (1)
-
Millbrig Bentonite Bed (1)
-
Platteville Formation (4)
-
Saint Peter Sandstone (5)
-
Simpson Group (1)
-
Stones River Group (1)
-
-
Trenton Group (4)
-
Upper Ordovician
-
Ashgillian (1)
-
Cincinnatian
-
Maysvillian (1)
-
Richmondian (2)
-
-
Fernvale Formation (1)
-
Hirnantian (1)
-
Katian (1)
-
Maquoketa Formation (15)
-
Red River Formation (1)
-
Trentonian (5)
-
-
Womble Shale (1)
-
-
Permian
-
Council Grove Group (1)
-
Hughes Creek Shale (1)
-
Lower Permian
-
Cisuralian
-
Asselian (1)
-
-
Wolfcampian (2)
-
-
Upper Permian (1)
-
-
Read Bay Formation (3)
-
Sauk Sequence (1)
-
Silurian
-
Bainbridge Formation (5)
-
Lower Silurian
-
Alexandrian (2)
-
Llandovery
-
Rhuddanian (2)
-
-
Wenlock (3)
-
-
Middle Silurian
-
Clinton Group (1)
-
Racine Dolomite (5)
-
Waldron Shale (2)
-
-
Niagaran (11)
-
Upper Silurian
-
Ludlow (4)
-
Salina Group (1)
-
-
-
Tensleep Sandstone (1)
-
upper Paleozoic
-
Admire Group (1)
-
Kaskaskia Sequence (1)
-
-
Woodford Shale (1)
-
-
Phanerozoic (5)
-
Precambrian
-
upper Precambrian
-
Proterozoic
-
Mesoproterozoic
-
Gawler Range Volcanics (1)
-
-
Neoproterozoic (5)
-
Paleoproterozoic (2)
-
-
-
-
-
igneous rocks
-
igneous rocks
-
plutonic rocks
-
diabase (3)
-
diorites (1)
-
gabbros (2)
-
granites
-
aplite (1)
-
felsite (1)
-
-
pegmatite (2)
-
syenites (1)
-
ultramafics
-
peridotites (3)
-
-
-
porphyry (1)
-
volcanic rocks
-
pyroclastics
-
ash-flow tuff (1)
-
ignimbrite (1)
-
tuff (5)
-
-
rhyolites
-
rhyolite porphyry (1)
-
-
trachytes (1)
-
-
-
-
metamorphic rocks
-
K-bentonite (1)
-
metamorphic rocks
-
gneisses (1)
-
metasedimentary rocks (2)
-
metasomatic rocks
-
greisen (2)
-
skarn (2)
-
-
phyllites (1)
-
quartzites (2)
-
schists (1)
-
slates (1)
-
-
turbidite (2)
-
-
meteorites
-
meteorites
-
iron meteorites (1)
-
stony irons
-
pallasite
-
Brenham Meteorite (1)
-
-
-
-
-
minerals
-
alloys (1)
-
carbonates
-
ankerite (1)
-
aragonite (2)
-
calcite (24)
-
dolomite (19)
-
magnesite (1)
-
rhodochrosite (1)
-
siderite (2)
-
-
halides
-
chlorides
-
pyromorphite (1)
-
-
fluorides
-
fluorite (7)
-
topaz (1)
-
-
-
K-bentonite (1)
-
minerals (34)
-
oxides
-
aluminum oxides (1)
-
boehmite (1)
-
diaspore (3)
-
gibbsite (1)
-
goethite (2)
-
hematite (7)
-
iron oxides (7)
-
magnetite (10)
-
rutile (2)
-
-
phosphates
-
apatite (11)
-
crandallite (1)
-
fluorapatite (1)
-
francolite (1)
-
goyazite (1)
-
monazite (2)
-
pyromorphite (1)
-
strengite (1)
-
torbernite (1)
-
variscite (1)
-
wavellite (1)
-
xenotime (2)
-
-
silicates
-
chain silicates
-
amphibole group
-
clinoamphibole
-
actinolite (2)
-
-
-
pyroxene group
-
clinopyroxene
-
salite (1)
-
-
-
wollastonite group
-
pectolite (1)
-
-
-
framework silicates
-
feldspar group
-
alkali feldspar
-
adularia (1)
-
K-feldspar (6)
-
microcline (1)
-
sanidine (1)
-
-
plagioclase (2)
-
-
scapolite group
-
scapolite (1)
-
-
silica minerals
-
chalcedony (1)
-
quartz (15)
-
-
-
orthosilicates
-
nesosilicates
-
garnet group (1)
-
titanite group
-
titanite (1)
-
-
topaz (1)
-
zircon group
-
zircon (15)
-
-
-
sorosilicates
-
epidote group
-
epidote (1)
-
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-
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Primary terms
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