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Format
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Journal
Publisher
Section
GeoRef Subject
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all geography including DSDP/ODP Sites and Legs
-
America (1)
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Asia
-
Arabian Peninsula
-
Oman (1)
-
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Far East
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China
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Henan China (1)
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Jilin China (1)
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Liaoning China (1)
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Indonesia
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Java (1)
-
-
-
Indian Peninsula
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India (2)
-
-
-
Atlantic Ocean
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North Atlantic
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North Sea
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Brent Field (1)
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Ekofisk Field (1)
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Valhall Field (1)
-
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-
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Atlantic Ocean Islands
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Bermuda (1)
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Australasia
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Australia
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Victoria Australia (2)
-
Western Australia
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Yilgarn (1)
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New Zealand (1)
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Bathurst Island (1)
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Black Hills (2)
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Canada
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Eastern Canada
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Maritime Provinces
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New Brunswick (1)
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Nova Scotia (1)
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Newfoundland and Labrador
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Newfoundland (1)
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Ontario
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Bruce County Ontario (1)
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Manitoulin District Ontario
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Manitoulin Island (2)
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Ottawa Ontario (1)
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Simcoe County Ontario
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Quebec
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Anticosti Island (1)
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Western Canada
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Alberta (2)
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British Columbia (1)
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Canadian Rocky Mountains (1)
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Manitoba
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Northwest Territories (2)
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Caribbean region
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West Indies
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Antilles
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Greater Antilles
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Jamaica (1)
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Puerto Rico (1)
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Lesser Antilles
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Netherlands Antilles (1)
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Bahamas (1)
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Commonwealth of Independent States
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Europe
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Central Europe
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Southern Europe
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Italy
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Yugoslavia (1)
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Western Europe
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France
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Scandinavia
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Denmark
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Sweden
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United Kingdom
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Great Britain
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England
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West Midlands (1)
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Scotland (1)
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Wales
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South Wales (1)
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Northern Ireland (1)
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Hunter Valley (1)
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Mammoth Cave (1)
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Mexico
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Coahuila Mexico (2)
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Guerrero Mexico (1)
-
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Mill Creek (1)
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Mohawk Valley (1)
-
North America
-
Appalachian Basin (30)
-
Appalachians
-
Appalachian Plateau (3)
-
Central Appalachians (4)
-
Northern Appalachians (1)
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Southern Appalachians (3)
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Valley and Ridge Province (4)
-
-
Canadian Shield
-
Grenville Province (2)
-
-
Great Lakes
-
Lake Michigan (9)
-
-
Great Lakes region (10)
-
Great Plains
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Southern Great Plains (1)
-
-
Grenville Front (3)
-
Gulf Coastal Plain (2)
-
Michigan Basin (11)
-
Niagara Escarpment (1)
-
Niagara River (1)
-
North American Craton (1)
-
Rocky Mountains
-
Canadian Rocky Mountains (1)
-
-
Saint Lawrence Lowlands (1)
-
Western Interior (2)
-
-
North Island (1)
-
Pacific Ocean
-
East Pacific (1)
-
South Pacific
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Southwest Pacific
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Coral Sea
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Great Barrier Reef (1)
-
-
-
-
West Pacific
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Southwest Pacific
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Coral Sea
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Great Barrier Reef (1)
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Pine Mountain Fault (2)
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Redwood Creek (1)
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Rome Trough (4)
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San Juan Basin (1)
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Santa Maria Basin (1)
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South America
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Argentina
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Venezuela (1)
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United States
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Alabama
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Franklin County Alabama (1)
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Alaska
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Aleutian Islands (1)
-
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Arizona
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Pima County Arizona
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Tucson Arizona (1)
-
-
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Arkansas
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Searcy County Arkansas (1)
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Washington County Arkansas (1)
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Atlantic Coastal Plain (1)
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Bighorn Basin (1)
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California
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Monterey County California (1)
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Santa Clara County California
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San Jose California (1)
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-
-
Catskill Delta (1)
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Cincinnati Arch (26)
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Colorado (3)
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Denver Basin (1)
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Eastern U.S. (11)
-
Florida
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Florida Keys
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Key Largo (1)
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Monroe County Florida
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Key Largo (1)
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Georgia
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Dade County Georgia (1)
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Walker County Georgia (1)
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Idaho
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Bonneville County Idaho (1)
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Illinois
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Calhoun County Illinois (1)
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Champaign County Illinois (3)
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Christian County Illinois (1)
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Cook County Illinois
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Chicago Illinois (2)
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Crawford County Illinois (2)
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DeKalb County Illinois (1)
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DuPage County Illinois (1)
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Fayette County Illinois (1)
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Ford County Illinois (1)
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Gallatin County Illinois (1)
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Grundy County Illinois (2)
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Hamilton County Illinois (1)
-
Hancock County Illinois (2)
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Hardin County Illinois (1)
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Henderson County Illinois (1)
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Iroquois County Illinois (1)
-
Jasper County Illinois (1)
-
Kankakee County Illinois (10)
-
La Salle County Illinois (3)
-
Lawrence County Illinois (4)
-
Livingston County Illinois (1)
-
Mazon Creek (8)
-
McLean County Illinois (1)
-
Pike County Illinois (1)
-
Randolph County Illinois (1)
-
Richland County Illinois (3)
-
Saint Clair County Illinois (1)
-
Saline County Illinois (1)
-
Vermilion County Illinois (5)
-
Wabash County Illinois (6)
-
White County Illinois (4)
-
Will County Illinois (12)
-
Williamson County Illinois (2)
-
-
Illinois Basin (73)
-
Indiana
-
Allen County Indiana (4)
-
Bartholomew County Indiana (4)
-
Boone County Indiana (1)
-
Brown County Indiana (3)
-
Carroll County Indiana (2)
-
Cass County Indiana (2)
-
Clark County Indiana (1)
-
Clay County Indiana (6)
-
Crawford County Indiana (3)
-
Daviess County Indiana (3)
-
Dearborn County Indiana (4)
-
Decatur County Indiana (2)
-
Delaware County Indiana (1)
-
Fountain County Indiana (1)
-
Franklin County Indiana (8)
-
Gibson County Indiana (5)
-
Grant County Indiana (2)
-
Greene County Indiana (3)
-
Hamilton County Indiana (2)
-
Harrison County Indiana (2)
-
Howard County Indiana (1)
-
Huntington County Indiana (3)
-
Jackson County Indiana (4)
-
Jasper County Indiana (2)
-
Jefferson County Indiana (2)
-
Jennings County Indiana (4)
-
Kentland impact structure (5)
-
Knox County Indiana (2)
-
Lagrange County Indiana (1)
-
Lake County Indiana (1)
-
Lawrence County Indiana (12)
-
Madison County Indiana (1)
-
Marion County Indiana (5)
-
Martin County Indiana (2)
-
Miami County Indiana (1)
-
Monroe County Indiana (20)
-
Montgomery County Indiana (8)
-
Morgan County Indiana (1)
-
Newton County Indiana (6)
-
Orange County Indiana (5)
-
Owen County Indiana (3)
-
Parke County Indiana (7)
-
Pike County Indiana (4)
-
Porter County Indiana (1)
-
Posey County Indiana (10)
-
Pulaski County Indiana (1)
-
Putnam County Indiana (1)
-
Randolph County Indiana (1)
-
Ripley County Indiana (4)
-
Rush County Indiana (1)
-
Scott County Indiana (1)
-
Shelby County Indiana (4)
-
Spencer County Indiana (2)
-
Steuben County Indiana (1)
-
Sullivan County Indiana (7)
-
Switzerland County Indiana (3)
-
Tippecanoe County Indiana (2)
-
Union County Indiana (1)
-
Vanderburgh County Indiana (8)
-
Vermillion County Indiana (1)
-
Vigo County Indiana (7)
-
Wabash County Indiana (4)
-
Warren County Indiana (3)
-
Warrick County Indiana (6)
-
Wayne County Indiana (1)
-
White County Indiana (1)
-
-
Iowa
-
Adair County Iowa (1)
-
Boone County Iowa (1)
-
Des Moines County Iowa (3)
-
Jackson County Iowa (2)
-
Keokuk County Iowa (1)
-
Lee County Iowa (1)
-
Mahaska County Iowa (1)
-
Van Buren County Iowa (1)
-
-
Kansas
-
Bourbon County Kansas (1)
-
Douglas County Kansas (1)
-
Johnson County Kansas (1)
-
Linn County Kansas (1)
-
Miami County Kansas (1)
-
Wabaunsee County Kansas (1)
-
Wilson County Kansas (1)
-
-
Kentucky
-
Adair County Kentucky (1)
-
Allen County Kentucky (1)
-
Anderson County Kentucky (1)
-
Boone County Kentucky (4)
-
Boyle County Kentucky (1)
-
Bullitt County Kentucky (2)
-
Edmonson County Kentucky (1)
-
Elliott County Kentucky (1)
-
Franklin County Kentucky (4)
-
Gallatin County Kentucky (1)
-
Green County Kentucky (1)
-
Hancock County Kentucky (1)
-
Hardin County Kentucky (3)
-
Henderson County Kentucky (2)
-
Jefferson County Kentucky
-
Louisville Kentucky (3)
-
-
Kenton County Kentucky (1)
-
Kentucky River valley (1)
-
Larue County Kentucky (1)
-
Lincoln County Kentucky (1)
-
Marion County Kentucky (1)
-
Meade County Kentucky (4)
-
Oldham County Kentucky (1)
-
Pendleton County Kentucky (1)
-
Rough Creek fault zone (2)
-
Russell County Kentucky (1)
-
Taylor County Kentucky (1)
-
Trimble County Kentucky (1)
-
Union County Kentucky (1)
-
Woodford County Kentucky
-
Versailles Kentucky (1)
-
-
-
Maryland
-
Anne Arundel County Maryland (1)
-
-
Michigan
-
Michigan Lower Peninsula
-
Alcona County Michigan (1)
-
Alpena County Michigan (1)
-
Calhoun County Michigan (1)
-
Ingham County Michigan (1)
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Manistee County Michigan (1)
-
Montmorency County Michigan (1)
-
-
Michigan Upper Peninsula (1)
-
-
Midcontinent (27)
-
Midwest (40)
-
Minnesota (6)
-
Mississippi (16)
-
Mississippi Embayment (10)
-
Mississippi Valley
-
Upper Mississippi Valley (3)
-
-
Missouri
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Boone County Missouri (1)
-
Clark County Missouri (1)
-
Cooper County Missouri (1)
-
Crawford County Missouri (1)
-
Saint Louis County Missouri
-
Saint Louis Missouri (1)
-
-
Viburnum Trend (1)
-
-
Montana (4)
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Nashville Dome (2)
-
Nebraska (1)
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Nevada (2)
-
New Hampshire (1)
-
New Madrid region (37)
-
New Mexico (4)
-
New York
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Broome County New York
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Binghamton New York (1)
-
-
Erie County New York (1)
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Niagara County New York (2)
-
Onondaga County New York (1)
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Tompkins County New York
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Ithaca New York (1)
-
-
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North Carolina
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Mitchell County North Carolina (1)
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Ohio
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Adams County Ohio (2)
-
Brown County Ohio (1)
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Butler County Ohio (4)
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Clermont County Ohio (1)
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Clinton County Ohio (1)
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Delaware County Ohio (1)
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Franklin County Ohio
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Columbus Ohio (1)
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Greene County Ohio (2)
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Hamilton County Ohio
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Cincinnati Ohio (7)
-
-
Highland County Ohio (1)
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Jefferson County Ohio
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Steubenville Ohio (1)
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Montgomery County Ohio (2)
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Perry County Ohio (1)
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Preble County Ohio (1)
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Shelby County Ohio (1)
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Warren County Ohio (1)
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Ohio River (5)
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Ohio River basin (1)
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Ohio River valley (7)
-
Oklahoma
-
Arbuckle Mountains (1)
-
Caddo County Oklahoma (1)
-
Grady County Oklahoma (1)
-
Major County Oklahoma
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Ames Structure (1)
-
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Murray County Oklahoma (1)
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Okmulgee County Oklahoma (2)
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Oregon (1)
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Ouachita Mountains (1)
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Ozark Mountains (1)
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Pennsylvania
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Erie County Pennsylvania (1)
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Fayette County Pennsylvania (1)
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Huntingdon County Pennsylvania (1)
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Pulaski thrust sheet (1)
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Reelfoot Rift (7)
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South Carolina (2)
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South Dakota (2)
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Southern U.S. (3)
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Tennessee
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Campbell County Tennessee (1)
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Claiborne County Tennessee (1)
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Grundy County Tennessee (1)
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Hamilton County Tennessee (1)
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Humphreys County Tennessee (1)
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Perry County Tennessee (1)
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Stewart County Tennessee (1)
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Tennessee River (1)
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Tennessee Valley (1)
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Texas
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Burnet County Texas (1)
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Fort Worth Basin (1)
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McCulloch County Texas (1)
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Texas Panhandle (1)
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West Texas (1)
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Utah (4)
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Virginia (27)
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Wabash Valley (32)
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Wasatch fault zone (1)
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Washington
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Benton County Washington (1)
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Hanford Site (2)
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West Virginia
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Kanawha County West Virginia (1)
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Monongalia County West Virginia (1)
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Roane County West Virginia (1)
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Wayne County West Virginia (1)
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Wisconsin (5)
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Wyoming (3)
-
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Walnut Creek (1)
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commodities
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barite deposits (2)
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bitumens
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asphalt (2)
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brines (12)
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coal deposits (3)
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construction materials
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building stone (4)
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energy sources (16)
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fluorspar deposits (1)
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geothermal energy (3)
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industrial minerals (1)
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limestone deposits (1)
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metal ores
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base metals (2)
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lead ores (2)
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lead-zinc deposits (4)
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molybdenum ores (2)
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silver ores (1)
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tungsten ores (1)
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uranium ores (2)
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vanadium ores (1)
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zinc ores (2)
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mineral deposits, genesis (21)
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mineral exploration (2)
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oil and gas fields (26)
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ornamental materials (2)
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petroleum
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natural gas
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coalbed methane (3)
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tight sands (1)
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water resources (3)
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elements, isotopes
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carbon
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C-13/C-12 (19)
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C-14 (10)
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organic carbon (8)
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chemical ratios (4)
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halogens
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bromine
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bromide ion (2)
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chlorine
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chloride ion (1)
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hydrogen
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D/H (3)
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deuterium (2)
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isotope ratios (23)
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isotopes
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radioactive isotopes
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C-14 (10)
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Pb-206/Pb-204 (1)
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Pb-208/Pb-204 (1)
-
-
stable isotopes
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C-13/C-12 (19)
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D/H (3)
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deuterium (2)
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N-15/N-14 (1)
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O-18/O-16 (12)
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Pb-206/Pb-204 (1)
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Pb-208/Pb-204 (1)
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S-34/S-32 (8)
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Sr-87/Sr-86 (5)
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metals
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actinides
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uranium (3)
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alkali metals
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potassium (1)
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sodium (4)
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alkaline earth metals
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barium (2)
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calcium
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Mg/Ca (1)
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Sr/Ca (1)
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magnesium
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Mg/Ca (1)
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strontium
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Sr/Ca (1)
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Sr-87/Sr-86 (5)
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aluminum (2)
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arsenic (2)
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cadmium (1)
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copper (1)
-
iron
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ferric iron (1)
-
-
lead
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Pb-206/Pb-204 (1)
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Pb-208/Pb-204 (1)
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manganese (3)
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molybdenum (3)
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nickel (1)
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rare earths (4)
-
vanadium (4)
-
zinc (7)
-
-
nitrogen
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N-15/N-14 (1)
-
-
oxygen
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O-18/O-16 (12)
-
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silicon (1)
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sulfur
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organic sulfur (1)
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S-34/S-32 (8)
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fossils
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bacteria
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coliform bacteria
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Escherichia
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Escherichia coli (1)
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Desulfovibrio (1)
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borings (7)
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burrows (3)
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Pisces
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Osteichthyes
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Tetrapoda
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Mammalia
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Theria
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Eutheria
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Proboscidea
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Mastodontoidea (2)
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Reptilia
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Synapsida
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Pelycosauria (1)
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Cyclostomata (1)
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eukaryotes (2)
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Graptolithina
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Dendroidea (1)
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Graptoloidea (1)
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ichnofossils
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Chondrites ichnofossils (1)
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Rhizocorallium (1)
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Trypanites (2)
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Invertebrata
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Arthropoda
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Chelicerata
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Arachnida (3)
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Merostomata
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Eurypterida (3)
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Mandibulata
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Crustacea
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Branchiopoda (1)
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Ostracoda (10)
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Insecta
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Pterygota
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Neoptera
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Exopterygota
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Protorthoptera (1)
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Myriapoda (1)
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Trilobitomorpha
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Trilobita
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Phacopida (3)
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Brachiopoda
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Articulata
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Orthida (3)
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Strophomenida
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Inarticulata (1)
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Bryozoa
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Trepostomata (8)
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Cnidaria
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Tabulata
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Favositida
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Favosites (1)
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Hydrozoa (1)
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Scyphozoa
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Conulariida (1)
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Echinodermata
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Asterozoa
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Stelleroidea
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Crinozoa
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Blastoidea (4)
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Crinoidea (55)
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Cystoidea (5)
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Echinozoa
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Cyclocystoidea (2)
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Echinoidea (1)
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Edrioasteroidea (2)
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Holothuroidea (3)
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Mollusca
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Bivalvia
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Pterioida
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Pteriina
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Anthraconaia (1)
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Cephalopoda
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Ammonoidea
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Goniatitida
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Goniatitidae
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Goniatites (1)
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Nautiloidea (4)
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Gastropoda (20)
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Polyplacophora (2)
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Porifera
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Stromatoporoidea (7)
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Protista
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Foraminifera
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Fusulinina
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Vermes
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Annelida (4)
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Nematoida (2)
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Polychaeta (1)
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scolecodonts (4)
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microfossils
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Charophyta (1)
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Chitinozoa (3)
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Conodonta
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Gondolella (1)
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Neognathodus (3)
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Panderodus (1)
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Spathognathodus (1)
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Fusulinina
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Fusulinidae (4)
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scolecodonts (4)
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palynomorphs
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acritarchs (4)
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Chitinozoa (3)
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Dinoflagellata (1)
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megaspores (1)
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miospores
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pollen (1)
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Plantae
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algae
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Chlorophyta
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Charophyta (1)
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Chlorophyceae
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Dasycladaceae (1)
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Tasmanites (2)
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diatoms (1)
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Rhodophyta (1)
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Pteridophyta
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Filicopsida (1)
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Lycopsida
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Sigillaria (1)
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Sphenopsida
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Equisetales
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Calamites (1)
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-
-
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Spermatophyta
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Angiospermae
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Dicotyledoneae
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Dryas (1)
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-
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Gymnospermae
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Cordaitales (3)
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Pteridospermae
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Neuropteris (1)
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problematic fossils (6)
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thallophytes (9)
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geochronology methods
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geologic age
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Cenozoic
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Quaternary
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Holocene
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Pleistocene
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Glasford Formation (1)
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Lake Chicago (2)
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Peoria Loess (1)
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upper Pleistocene
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Weichselian
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upper Weichselian
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Younger Dryas (2)
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-
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Wisconsinan
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upper Wisconsinan (3)
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Woodfordian (1)
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Wedron Formation (1)
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upper Quaternary
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Brunhes Chron (1)
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Tertiary
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Neogene
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Miocene (2)
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Pliocene (1)
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Paleogene
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Eocene
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Absaroka Supergroup (1)
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lower Eocene
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Wind River Formation (1)
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-
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lower Paleogene (1)
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-
-
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Laurentide ice sheet (5)
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Mesozoic
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Cretaceous
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Upper Cretaceous
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Blackhawk Formation (1)
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Campanian (1)
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Fruitland Formation (1)
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Ripley Formation (1)
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Senonian (1)
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-
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Jurassic
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Upper Jurassic
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Kimmeridge Clay (1)
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Tithonian (1)
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-
-
Vaca Muerta Formation (1)
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MIS 2 (1)
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MIS 5 (1)
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Paleozoic
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Bedford Shale (3)
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Berea Sandstone (4)
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Cambrian
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Conasauga Group (1)
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Lower Cambrian
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Rome Formation (1)
-
-
Upper Cambrian
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Copper Ridge Dolomite (2)
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Eau Claire Formation (6)
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Mount Simon Sandstone (9)
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Potsdam Sandstone (1)
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-
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Carboniferous
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Lower Carboniferous
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Dinantian (3)
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Middle Carboniferous (1)
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Mississippian
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Barnett Shale (1)
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Borden Group (16)
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Harrodsburg Limestone (11)
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Lower Mississippian
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Chouteau Limestone (1)
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Cuyahoga Formation (1)
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Fort Payne Formation (10)
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Kinderhookian (1)
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Osagian
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Burlington Limestone (7)
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Keokuk Limestone (9)
-
-
Tournaisian (1)
-
-
Middle Mississippian
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Visean (4)
-
-
Newman Limestone (3)
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Ramp Creek Formation (6)
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Sunbury Shale (1)
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Upper Mississippian
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Chesterian
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Aux Vases Sandstone (1)
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Golconda Formation (3)
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Imo Formation (2)
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Renault Formation (4)
-
-
Greenbrier Limestone (1)
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Meramecian
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Saint Louis Limestone (7)
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Sainte Genevieve Limestone (7)
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Salem Limestone (22)
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Warsaw Formation (5)
-
-
Pennington Formation (1)
-
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Valmeyeran (4)
-
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Namurian (5)
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Pennsylvanian
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Brazil Formation (4)
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Conemaugh Group (4)
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Excello Shale (1)
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Francis Creek Shale (8)
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Freeport Formation (1)
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Herrin Coal Member (2)
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Kittanning Formation (1)
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Lower Pennsylvanian
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Caseyville Formation (1)
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Lee Formation (3)
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Morrowan (5)
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Pocahontas Formation (1)
-
-
Mansfield Formation (10)
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Mattoon Formation (4)
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Middle Pennsylvanian
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Allegheny Group (3)
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Atokan
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Atoka Formation (1)
-
-
Breathitt Formation (8)
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Carbondale Formation (14)
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Danville Coal Member (1)
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Desmoinesian
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Cabaniss Formation (1)
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Labette Shale (1)
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Dugger Formation (7)
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Kanawha Formation (3)
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Kewanee Group (1)
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Petersburg Formation (1)
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Staunton Formation (8)
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Tradewater Formation (1)
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Pittsburgh Coal (1)
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Pottsville Group (4)
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Springfield Coal Member (4)
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Upper Pennsylvanian
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Kasimovian (1)
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Missourian (3)
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Sturgis Formation (1)
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Virgilian
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Lawrence Formation (1)
-
-
-
-
Upper Carboniferous
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Westphalian (5)
-
-
-
Chattanooga Shale (5)
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Devonian
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Lower Devonian
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Oriskany Sandstone (1)
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Middle Devonian
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Boyle Dolomite (1)
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Columbus Limestone (2)
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Detroit River Group (1)
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Eifelian (1)
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Givetian (1)
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Hamilton Group (1)
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Jeffersonville Limestone (7)
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Marcellus Shale (1)
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Upper Devonian
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Cleveland Member (1)
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Famennian (4)
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Frasnian (1)
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Huron Member (4)
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Jefferson Group (1)
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Ohio Shale (8)
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Olentangy Shale (1)
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Sonyea Group (1)
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West Falls Formation (1)
-
-
-
Knox Group (6)
-
lower Paleozoic
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Rose Run Sandstone (2)
-
-
New Albany Shale (21)
-
Ordovician
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Clays Ferry Formation (2)
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Lexington Limestone (8)
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Lower Ordovician
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Beekmantown Group (2)
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Mascot Dolomite (1)
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Prairie du Chien Group (1)
-
-
Martinsburg Formation (1)
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Middle Ordovician
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Black River Group (1)
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Bromide Formation (3)
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Decorah Shale (1)
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Deicke Bentonite Bed (1)
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Galena Dolomite (2)
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Millbrig Bentonite Bed (1)
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Platteville Formation (1)
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Saint Peter Sandstone (4)
-
-
Montoya Group (1)
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Trenton Group (5)
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Upper Ordovician
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Ashgillian (1)
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Caradocian (1)
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Cincinnatian
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Maysvillian (5)
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Richmondian (9)
-
-
Edenian
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Eden Shale (2)
-
-
Fairview Formation (6)
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Hirnantian (1)
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Juniata Formation (1)
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Katian (9)
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Kope Formation (14)
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Maquoketa Formation (6)
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Mohawkian (2)
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Neda Formation (1)
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Sandbian (1)
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Trentonian (8)
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Whitewater Formation (5)
-
-
Utica Shale (2)
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Viola Limestone (1)
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Womble Shale (1)
-
-
Permian
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Chase Group (1)
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Council Grove Group (1)
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Lower Permian (1)
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Newcastle Coal Measures (1)
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-
Sauk Sequence (1)
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Silurian
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Crab Orchard Formation (1)
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Lockport Formation (4)
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Lower Silurian
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Alexandrian (1)
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Brassfield Formation (5)
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Llandovery
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Rhuddanian (1)
-
-
Wenlock
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Homerian (1)
-
-
-
Middle Silurian
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Keefer Sandstone (3)
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Racine Dolomite (4)
-
Rochester Formation (1)
-
Waldron Shale (11)
-
-
Niagaran (15)
-
Upper Silurian
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Ludlow (6)
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Salina Group (1)
-
-
-
upper Paleozoic
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Antrim Shale (3)
-
-
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Precambrian
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upper Precambrian
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Proterozoic
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Mesoproterozoic (2)
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-
-
-
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igneous rocks
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igneous rocks
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kimberlite (1)
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volcanic ash (2)
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K-bentonite (3)
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framework silicates
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silica minerals
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quartz (2)
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orthosilicates
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zircon group
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sheet silicates
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chlorite group
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clay minerals
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illite (4)
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mica group
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rectorite (2)
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sulfates
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anhydrite (5)
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sulfides
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sphalerite (4)
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Primary terms
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absolute age (10)
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Asia
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Far East
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Atlantic Ocean Islands
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Australasia
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bacteria
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carbon
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C-13/C-12 (19)
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Caribbean region
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catalogs (3)
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Cenozoic
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Quaternary
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Holocene
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upper Holocene (3)
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Pleistocene
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Glasford Formation (1)
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Illinoian (2)
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Lake Chicago (2)
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Lake Maumee (1)
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Peoria Loess (1)
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upper Pleistocene
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Weichselian
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upper Weichselian
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Younger Dryas (2)
-
-
-
Wisconsinan
-
upper Wisconsinan (3)
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Woodfordian (1)
-
-
-
Wedron Formation (1)
-
-
upper Quaternary
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Brunhes Chron (1)
-
-
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Tertiary
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Neogene
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Miocene (2)
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Pliocene (1)
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Paleogene
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Eocene
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Absaroka Supergroup (1)
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lower Eocene
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Wind River Formation (1)
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-
-
lower Paleogene (1)
-
-
-
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Chordata
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Vertebrata
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Agnatha (1)
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Pisces
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Chondrichthyes
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Elasmobranchii (2)
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Osteichthyes
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Actinopterygii
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Palaeonisciformes (1)
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Tetrapoda
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Mammalia
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Theria
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Eutheria
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Proboscidea
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Mastodontoidea (2)
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Reptilia
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Synapsida
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Pelycosauria (1)
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clay mineralogy (16)
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climate change (3)
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continental drift (1)
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Invertebrata
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Mandibulata
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Insecta
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Myriapoda (1)
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Trilobitomorpha
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Phacopida (3)
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Brachiopoda
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Articulata
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Inarticulata (1)
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Favosites (1)
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Hydrozoa (1)
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Scyphozoa
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Conulariida (1)
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Echinodermata
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Mollusca
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Bivalvia
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Cephalopoda
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Ammonoidea
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Nautiloidea (4)
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Gastropoda (20)
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Tentaculitida (1)
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Porifera
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Protista
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Foraminifera
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Fusulinina
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Vermes
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Annelida (4)
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Mesozoic
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Cretaceous
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Jurassic
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Vaca Muerta Formation (1)
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Mexico
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North America
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Appalachian Basin (30)
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Paleozoic
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Bedford Shale (3)
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Cambrian
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Conasauga Group (1)
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Lower Cambrian
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Rome Formation (1)
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Upper Cambrian
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Copper Ridge Dolomite (2)
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Eau Claire Formation (6)
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Mount Simon Sandstone (9)
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Carboniferous
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Lower Carboniferous
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Lower Mississippian
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Chouteau Limestone (1)
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Cuyahoga Formation (1)
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Fort Payne Formation (10)
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Kinderhookian (1)
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Tournaisian (1)
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Middle Mississippian
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Visean (4)
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Newman Limestone (3)
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Ramp Creek Formation (6)
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Sunbury Shale (1)
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Upper Mississippian
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Chesterian
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Aux Vases Sandstone (1)
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Golconda Formation (3)
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Imo Formation (2)
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Renault Formation (4)
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Greenbrier Limestone (1)
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Meramecian
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Saint Louis Limestone (7)
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Sainte Genevieve Limestone (7)
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Salem Limestone (22)
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Warsaw Formation (5)
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Pennington Formation (1)
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Valmeyeran (4)
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Namurian (5)
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Pennsylvanian
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Brazil Formation (4)
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Conemaugh Group (4)
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Excello Shale (1)
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Francis Creek Shale (8)
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Freeport Formation (1)
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Herrin Coal Member (2)
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Kittanning Formation (1)
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Lower Pennsylvanian
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Caseyville Formation (1)
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Lee Formation (3)
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Morrowan (5)
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Pocahontas Formation (1)
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Mansfield Formation (10)
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Mattoon Formation (4)
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Middle Pennsylvanian
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Allegheny Group (3)
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Atokan
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Atoka Formation (1)
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Breathitt Formation (8)
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Carbondale Formation (14)
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Danville Coal Member (1)
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Desmoinesian
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Cabaniss Formation (1)
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Labette Shale (1)
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Dugger Formation (7)
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Kanawha Formation (3)
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Kewanee Group (1)
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Petersburg Formation (1)
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Staunton Formation (8)
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Tradewater Formation (1)
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Pittsburgh Coal (1)
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Pottsville Group (4)
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Springfield Coal Member (4)
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Upper Pennsylvanian
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Kasimovian (1)
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Missourian (3)
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Sturgis Formation (1)
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Virgilian
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Lawrence Formation (1)
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Upper Carboniferous
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Westphalian (5)
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Chattanooga Shale (5)
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Devonian
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Lower Devonian
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Oriskany Sandstone (1)
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Middle Devonian
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Boyle Dolomite (1)
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Columbus Limestone (2)
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Eifelian (1)
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Hamilton Group (1)
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Jeffersonville Limestone (7)
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Marcellus Shale (1)
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Upper Devonian
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Cleveland Member (1)
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Famennian (4)
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Frasnian (1)
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Huron Member (4)
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Jefferson Group (1)
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Ohio Shale (8)
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Olentangy Shale (1)
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Sonyea Group (1)
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West Falls Formation (1)
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Knox Group (6)
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lower Paleozoic
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Rose Run Sandstone (2)
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New Albany Shale (21)
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Ordovician
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Clays Ferry Formation (2)
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Lexington Limestone (8)
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Lower Ordovician
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Beekmantown Group (2)
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Mascot Dolomite (1)
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Prairie du Chien Group (1)
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Martinsburg Formation (1)
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Middle Ordovician
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Black River Group (1)
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Bromide Formation (3)
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Decorah Shale (1)
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Deicke Bentonite Bed (1)
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Galena Dolomite (2)
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Millbrig Bentonite Bed (1)
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Platteville Formation (1)
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Saint Peter Sandstone (4)
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Montoya Group (1)
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Trenton Group (5)
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Upper Ordovician
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Ashgillian (1)
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Caradocian (1)
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Cincinnatian
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Maysvillian (5)
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Richmondian (9)
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Edenian
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Eden Shale (2)
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Fairview Formation (6)
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Hirnantian (1)
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Juniata Formation (1)
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Katian (9)
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Kope Formation (14)
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Maquoketa Formation (6)
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Mohawkian (2)
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Neda Formation (1)
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Sandbian (1)
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