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NARROW
Format
Article Type
Journal
Publisher
Section
GeoRef Subject
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all geography including DSDP/ODP Sites and Legs
-
Africa
-
Central Africa
-
Congo Democratic Republic (1)
-
-
Congo Craton (1)
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East Africa
-
Lake Malawi (1)
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Malawi (1)
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Tanzania (1)
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Zambia (2)
-
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East African Lakes
-
Lake Malawi (1)
-
-
East African Rift (1)
-
North Africa
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Egypt (1)
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Libya (1)
-
-
Nubian Shield (1)
-
Southern Africa
-
South Africa
-
Bushveld Complex (1)
-
Transvaal region (3)
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Witwatersrand (4)
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Swaziland (1)
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Zimbabwe (1)
-
-
West Africa
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Cameroon (1)
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-
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Asia
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Arabian Peninsula
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Arabian Shield (1)
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Saudi Arabia (2)
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Central Asia
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Kazakhstan
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Kokchetav Kazakhstan
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Kokchetav Massif (1)
-
-
-
-
Kyrgyzstan
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Issyk-kul Lake (1)
-
-
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Atlantic Ocean
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North Atlantic
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Gulf of Mexico
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Orca Basin (1)
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Northwest Atlantic (1)
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Atlantic Ocean Islands
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Falkland Islands (1)
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Australasia
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Australia
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Queensland Australia (1)
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Western Australia
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Eastern Goldfields (1)
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Yilgarn Craton (1)
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New Zealand (1)
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Avalon Zone (1)
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Bear River Range (1)
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Black Hills (1)
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Canada
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Arctic Archipelago (1)
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Eastern Canada
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Belcher Islands (1)
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James Bay (2)
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Maritime Provinces
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Nova Scotia
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Matachewan dike swarm (1)
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Newfoundland and Labrador
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Labrador (2)
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Ontario
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Algoma District Ontario
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Blind River Ontario (10)
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Elliot Lake Ontario (28)
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Mamainse Point (9)
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Quirke Lake (3)
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Sault Sainte Marie Ontario (3)
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Wawa Ontario (16)
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Batchawana Bay (4)
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Cochrane District Ontario
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Abitibi Ontario (1)
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Timmins Ontario (3)
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Coldwell Complex (1)
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Essex County Ontario
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Windsor Ontario (1)
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Hemlo Deposit (7)
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Kent County Ontario (1)
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Manitoulin District Ontario
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Manitoulin Island (6)
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Michipicoten Island (2)
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Moose River basin (1)
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Nipissing District Ontario (1)
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Prince Edward County Ontario (1)
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Simcoe County Ontario
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Borden Ontario (1)
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Sudbury Basin (3)
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Sudbury District Ontario (1)
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Sudbury igneous complex (1)
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Sudbury Ontario (1)
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Sudbury Structure (1)
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Thunder Bay District Ontario
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Manitouwadge Ontario (1)
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Thunder Bay Ontario (6)
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Timiskaming District Ontario
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Cobalt Ontario (1)
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Kirkland Lake Ontario (1)
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Toronto Ontario (3)
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Quebec
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Gaspe-Est County Quebec
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Gaspe Quebec (1)
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Montreal and Jesus Islands County Quebec
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Montreal Quebec (1)
-
-
-
-
Labrador Trough (1)
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North Saskatchewan River (1)
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Nunavut
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Belcher Islands (1)
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Queen Elizabeth Islands
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Parry Islands (1)
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Western Canada
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Alberta
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Alberta Basin (2)
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Peace River Arch (1)
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Manitoba
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Lake Winnipeg (1)
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Nelson River (1)
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Northwest Territories
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Ekati Mine (1)
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Saskatchewan (1)
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Yukon Territory (1)
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Cascadia subduction zone (1)
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Central Basin (1)
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Commonwealth of Independent States
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Belarus
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Zhitkovichi Belarus (1)
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Kazakhstan
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Kokchetav Kazakhstan
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Kokchetav Massif (1)
-
-
-
Kyrgyzstan
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Issyk-kul Lake (1)
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-
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Cornwallis Island (1)
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Devils Lake (2)
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East Pacific Ocean Islands
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Hawaii (1)
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Europe
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Alps
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Central Alps
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Bernese Alps (1)
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-
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Baltic region
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Estonia
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Tallinn Estonia (1)
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Belarus
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Zhitkovichi Belarus (1)
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Central Europe
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Austria (1)
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Czech Republic
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Bohemia (1)
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Erzgebirge (1)
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Germany (3)
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Poland (1)
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Switzerland
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Bernese Alps (1)
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Southern Europe
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Iberian Peninsula
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Iberian pyrite belt (1)
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Portugal
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Spain
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Italy
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Vesuvius (1)
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Western Europe
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France (1)
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Scandinavia
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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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Scotland
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Midlothian Scotland (1)
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Fire Island (1)
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Georgian Bay (6)
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Green Bay (3)
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Lake Nipissing (8)
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Lake Saint Clair (3)
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Long Island (1)
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Mexico
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Federal District Mexico
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Mexico City Mexico (1)
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Sierra Madre Oriental (1)
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Zacatecas Mexico (1)
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Middle Valley (1)
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Mill Creek (1)
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Mustang Island (1)
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North America
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Appalachian Basin (6)
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Appalachians
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Appalachian Plateau (1)
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Central Appalachians (1)
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Canadian Shield
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Grenville Province
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Central Metasedimentary Belt (1)
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Slave Province (1)
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Southern Province (13)
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Superior Province
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Abitibi Belt (13)
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Kapuskasing Zone (30)
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Michipicoten Belt (10)
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Quetico Belt (3)
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Swayze greenstone belt (2)
-
Wabigoon Belt (3)
-
Wawa Belt (33)
-
-
-
Detroit River (3)
-
Great Lakes
-
Lake Erie (10)
-
Lake Huron (22)
-
Lake Michigan (72)
-
Lake Ontario (8)
-
Lake Superior (75)
-
-
Great Lakes region (224)
-
Great Plains
-
Northern Great Plains (1)
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Southern Great Plains (1)
-
-
Grenville Front (6)
-
Gulf Coastal Plain (1)
-
Keweenawan Rift (37)
-
Lake Superior region (55)
-
Michigan Basin (121)
-
Niagara Escarpment (2)
-
Niagara River (2)
-
Rocky Mountains
-
U. S. Rocky Mountains
-
Absaroka Range (1)
-
Uinta Mountains (1)
-
Wasatch Range (1)
-
-
-
Saint Lawrence River (1)
-
Saint Lawrence Valley (2)
-
Transcontinental Arch (1)
-
Western Interior (1)
-
Williston Basin (1)
-
-
Oceania
-
Melanesia
-
New Caledonia (1)
-
-
Polynesia
-
Hawaii (1)
-
-
-
Pacific Ocean
-
East Pacific
-
Northeast Pacific
-
Juan de Fuca Ridge (1)
-
-
-
North Pacific
-
Northeast Pacific
-
Juan de Fuca Ridge (1)
-
-
-
-
Plum Island (1)
-
San Juan Basin (1)
-
Santa Clara Valley (1)
-
Searles Lake (1)
-
Silver Lake (1)
-
South America
-
Brazil
-
Minas Gerais Brazil
-
Quadrilatero Ferrifero (2)
-
-
-
Falkland Islands (1)
-
Guiana Shield (1)
-
Guyana (1)
-
Venezuela (1)
-
-
United States
-
Alaska
-
Anchorage Alaska (1)
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Brooks Range (1)
-
Medfra Quadrangle (1)
-
-
Arizona
-
Pima County Arizona
-
Tucson Arizona (1)
-
-
Yuma County Arizona (1)
-
-
Arkansas (4)
-
Atlantic Coastal Plain
-
Southern Atlantic Coastal Plain (1)
-
-
California
-
Los Angeles County California
-
Los Angeles California (1)
-
-
San Francisco Bay region (1)
-
San Joaquin Valley (1)
-
Santa Clara County California
-
San Jose California (1)
-
-
-
Cheyenne Belt (1)
-
Cincinnati Arch (1)
-
Colorado
-
White River Plateau (1)
-
-
Colorado Plateau (1)
-
Connecticut (2)
-
Eastern U.S. (3)
-
Florida
-
Florida Keys
-
Key Largo (1)
-
-
Monroe County Florida
-
Key Largo (1)
-
-
-
Hawaii (1)
-
Idaho (3)
-
Illinois
-
Alexander County Illinois (1)
-
Boone County Illinois (1)
-
Cook County Illinois
-
Chicago Illinois (8)
-
-
De Witt County Illinois (1)
-
DeKalb County Illinois (5)
-
DuPage County Illinois (5)
-
Fayette County Illinois (1)
-
Jersey County Illinois (1)
-
Kane County Illinois (3)
-
Kankakee County Illinois (1)
-
Lake County Illinois (3)
-
Lee County Illinois (3)
-
Mazon Creek (1)
-
McHenry County Illinois (6)
-
Ogle County Illinois (1)
-
Stephenson County Illinois (3)
-
Whiteside County Illinois (1)
-
Will County Illinois (3)
-
Winnebago County Illinois (1)
-
-
Illinois Basin (10)
-
Indiana
-
Jackson County Indiana (1)
-
Porter County Indiana (1)
-
Steuben County Indiana (1)
-
-
Iowa
-
Clayton County Iowa (1)
-
-
Kansas
-
Douglas County Kansas (1)
-
Meade County Kansas (1)
-
Reno County Kansas
-
Hutchinson Kansas (1)
-
-
-
Kentucky (10)
-
Louisiana (1)
-
Maine
-
Hancock County Maine (1)
-
-
Maryland
-
Anne Arundel County Maryland (1)
-
-
Massachusetts (4)
-
Michigan
-
Michigan Lower Peninsula
-
Allegan County Michigan (8)
-
Alpena County Michigan (8)
-
Antrim County Michigan (1)
-
Arenac County Michigan (4)
-
Barry County Michigan (1)
-
Bay County Michigan (6)
-
Benzie County Michigan (1)
-
Berrien County Michigan (5)
-
Branch County Michigan (1)
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Calhoun County Michigan (1)
-
Cass County Michigan (1)
-
Charlevoix County Michigan (3)
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Cheboygan County Michigan (6)
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Clare County Michigan (1)
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Clinton County Michigan (1)
-
Crawford County Michigan (1)
-
Eaton County Michigan (6)
-
Emmet County Michigan (7)
-
Gladwin County Michigan (4)
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Grand Traverse County Michigan (2)
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Gratiot County Michigan (1)
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Huron County Michigan (1)
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Ingham County Michigan (2)
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Ionia County Michigan (5)
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Iosco County Michigan (1)
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Isabella County Michigan (1)
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Jackson County Michigan (1)
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Kalamazoo County Michigan (3)
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Kalkaska County Michigan (1)
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Kent County Michigan (2)
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Lake County Michigan (1)
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Lapeer County Michigan (1)
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Leelanau County Michigan (1)
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Livingston County Michigan (3)
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Macomb County Michigan (5)
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Manistee County Michigan (4)
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Mecosta County Michigan (1)
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Midland County Michigan (3)
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Missaukee County Michigan (1)
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Montcalm County Michigan (2)
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Montmorency County Michigan (2)
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Muskegon County Michigan (4)
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Ogemaw County Michigan (1)
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Oscoda County Michigan (3)
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Otsego County Michigan (2)
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Ottawa County Michigan (6)
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Presque Isle County Michigan (5)
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Roscommon County Michigan (1)
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Saginaw County Michigan (3)
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Saint Clair County Michigan (4)
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Sanilac County Michigan (2)
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Tuscola County Michigan (2)
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Van Buren County Michigan (3)
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Washtenaw County Michigan
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Ann Arbor Michigan (2)
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Wayne County Michigan (4)
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Michigan Upper Peninsula
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Alger County Michigan (3)
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Baraga County Michigan (6)
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Chippewa County Michigan
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Sault Sainte Marie Michigan (1)
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Delta County Michigan (6)
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Dickinson County Michigan (4)
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Gogebic County Michigan (14)
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Houghton County Michigan (9)
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Iron County Michigan (4)
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Keweenaw County Michigan (18)
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Keweenaw Peninsula (28)
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Luce County Michigan (3)
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Mackinac County Michigan (6)
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Marquette County Michigan
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Marquette Michigan (3)
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Marquette Range (4)
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Menominee County Michigan (3)
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Ontonagon County Michigan
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Schoolcraft County Michigan (5)
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Midcontinent (24)
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Midcontinent geophysical anomaly (3)
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Midwest (21)
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Minnesota
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Cook County Minnesota (5)
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Duluth Complex (4)
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Mesabi Range (1)
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Minnesota River valley (1)
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Ramsey County Minnesota
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Saint Paul Minnesota (1)
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Saint Louis County Minnesota
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Partridge River Intrusion (1)
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Vermilion Range (1)
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Wabasha County Minnesota (1)
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Mississippi
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Hinds County Mississippi (1)
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Mississippi Valley
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Upper Mississippi Valley (27)
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Missouri
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Saint Francois Mountains (1)
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Viburnum Trend (1)
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Mojave Desert (1)
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Montana (5)
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Nebraska (9)
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Nevada
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Nevada Test Site (1)
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New England (3)
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New Hampshire (2)
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New Jersey (1)
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New Madrid region (1)
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New Mexico (3)
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New York
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Erie County New York (1)
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Livingston County New York (1)
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Monroe County New York
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Rochester New York (1)
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New York City New York (1)
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Niagara County New York (1)
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Schoharie County New York (1)
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North Dakota (1)
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Ohio
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Ashtabula County Ohio (1)
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Cuyahoga County Ohio (2)
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Erie County Ohio (1)
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Paulding County Ohio (1)
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Oklahoma (7)
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Oregon
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Klamath County Oregon
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Pennsylvania
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Powder River basin (1)
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Tennessee (6)
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Texas (8)
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U. S. Rocky Mountains
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Wasatch Range (1)
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Utah (6)
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Virginia
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Washington
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King County Washington
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Seattle Washington (1)
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West Virginia (4)
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Wisconsin
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Adams County Wisconsin (1)
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Ashland County Wisconsin (3)
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Bayfield County Wisconsin (1)
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Brown County Wisconsin (3)
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Calumet County Wisconsin (3)
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Chippewa County Wisconsin (1)
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Clark County Wisconsin (2)
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Columbia County Wisconsin (3)
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Dane County Wisconsin
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Lake Mendota (3)
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Madison Wisconsin (2)
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Dodge County Wisconsin (1)
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Door County Wisconsin (3)
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Door Peninsula (2)
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Eau Claire County Wisconsin (1)
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Florence County Wisconsin (5)
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Fond du Lac County Wisconsin (2)
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Forest County Wisconsin (3)
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Grant County Wisconsin (2)
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Green Lake County Wisconsin (1)
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Iron County Wisconsin (3)
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Juneau County Wisconsin (1)
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Kenosha County Wisconsin (3)
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Kewaunee County Wisconsin (2)
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Lafayette County Wisconsin (4)
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Langlade County Wisconsin (2)
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Lincoln County Wisconsin (2)
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Manitowoc County Wisconsin (6)
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Marathon County Wisconsin (10)
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Marquette County Wisconsin (2)
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Menominee County Wisconsin (3)
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Sawyer County Wisconsin (2)
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Shawano County Wisconsin (3)
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Taylor County Wisconsin (1)
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commodities
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mineral deposits, genesis (141)
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stable isotopes
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C-13 (1)
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C-13/C-12 (25)
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D/H (8)
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deuterium (7)
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Nd-144/Nd-143 (7)
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O-18/O-16 (33)
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Os-188/Os-187 (1)
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Pb-206/Pb-204 (5)
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Pb-207/Pb-204 (4)
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Pb-208/Pb-204 (5)
-
S-34 (1)
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S-34/S-32 (11)
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Sm-147/Nd-144 (1)
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Sr-87/Sr-86 (7)
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-
-
metals
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actinides
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alkali metals
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cesium
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Cs-137 (1)
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alkaline earth metals
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barium (1)
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beryllium
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Be-10 (3)
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Be-7 (1)
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-
magnesium (2)
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radium (1)
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strontium
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Sr-87/Sr-86 (7)
-
-
-
aluminum
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Al-26 (1)
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antimony (3)
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arsenic (5)
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chromium (3)
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gold (4)
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iron
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ferric iron (1)
-
-
lead
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Pb-206/Pb-204 (5)
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Pb-207/Pb-204 (4)
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Pb-208/Pb-204 (5)
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Pb-210 (1)
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-
manganese (4)
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platinum group
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iridium (2)
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osmium
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Os-188/Os-187 (1)
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platinum ores (5)
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precious metals (1)
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rare earths
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cerium (1)
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europium (1)
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neodymium
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Nd-144/Nd-143 (7)
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Sm-147/Nd-144 (1)
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-
samarium
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Sm-147/Nd-144 (1)
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-
yttrium (2)
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rhenium (1)
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silver (3)
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thallium (2)
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nitrogen (3)
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noble gases
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argon (1)
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helium
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He-4/He-3 (1)
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neon (1)
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-
oxygen
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O-18 (1)
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O-18/O-16 (33)
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phosphorus (1)
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silicon (1)
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sulfur
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organic sulfur (1)
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S-34 (1)
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S-34/S-32 (11)
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-
trace metals (2)
-
-
fossils
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Archaea (1)
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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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-
-
-
borings (2)
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burrows (7)
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Chordata
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Vertebrata
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Agnatha
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Heterostraci (1)
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Ostracodermi (1)
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Pisces
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Osteichthyes
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Sarcopterygii (1)
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-
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Tetrapoda
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Amphibia
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Labyrinthodontia
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Temnospondyli (1)
-
-
-
Mammalia
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Theria
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Eutheria
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Artiodactyla
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Ruminantia
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Bovidae (1)
-
-
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Proboscidea
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Mastodontoidea (4)
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-
-
-
-
-
Thelodonti (1)
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-
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cyanobacteria (2)
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eukaryotes (2)
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fungi (1)
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Graptolithina
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Dendroidea (1)
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Graptoloidea (2)
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ichnofossils
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Chondrites ichnofossils (1)
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Cruziana (1)
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Rusophycus (1)
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Trypanites (1)
-
-
Invertebrata
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Arthropoda
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Chelicerata
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Merostomata
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Eurypterida (1)
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Xiphosura (1)
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-
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Mandibulata
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Crustacea
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Malacostraca (1)
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Ostracoda (16)
-
-
Insecta
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Pterygota
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Neoptera
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Endopterygota
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Coleoptera (3)
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Diptera
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Chironomidae (1)
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-
Trichoptera (1)
-
-
-
-
-
-
Trilobitomorpha
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Trilobita
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Lichida (1)
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Phacopida (2)
-
Ptychopariida
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Proetidae (1)
-
-
-
-
-
Brachiopoda
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Articulata
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Pentamerida
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Pentameracea (1)
-
-
Spiriferida (4)
-
-
Inarticulata (1)
-
-
Bryozoa
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Trepostomata (1)
-
-
Cnidaria
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Anthozoa
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Zoantharia
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Rugosa (2)
-
Tabulata (2)
-
-
-
Hydrozoa (1)
-
Scyphozoa
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Conulariida (2)
-
-
-
Echinodermata
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Asterozoa
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Stelleroidea
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Asteroidea (2)
-
-
-
Crinozoa
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Crinoidea (10)
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Cystoidea (2)
-
-
Echinozoa
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Edrioasteroidea (1)
-
-
Homalozoa
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Stylophora (1)
-
-
-
Mollusca
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Bivalvia
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Cyrtodontida (1)
-
-
Cephalopoda
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Nautiloidea (1)
-
-
Gastropoda
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Archaeogastropoda (2)
-
-
Monoplacophora (1)
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Polyplacophora (3)
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Rostroconchia (1)
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Tentaculitida (2)
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-
Porifera
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Calcarea (1)
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Demospongea (1)
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Stromatoporoidea (11)
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Protista
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Foraminifera (3)
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Vermes
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Annelida (1)
-
-
-
microfossils
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Chitinozoa (2)
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Conodonta
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Icriodus (1)
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-
problematic microfossils (1)
-
-
palynomorphs
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acritarchs (2)
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Chitinozoa (2)
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miospores
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pollen (14)
-
-
-
Plantae
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algae
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Chlorophyta
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Chlorophyceae
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Dasycladaceae (3)
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Tasmanites (1)
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-
diatoms (1)
-
-
Bryophyta
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Musci
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Sphagnum (1)
-
-
-
Spermatophyta
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Angiospermae
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Dicotyledoneae
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Betula (1)
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Carya (1)
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Quercus (1)
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Ulmus (2)
-
-
-
Gymnospermae
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Coniferales
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Picea (1)
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Pinaceae
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Abies (1)
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Pinus (1)
-
-
Tsuga (1)
-
-
-
-
-
problematic fossils
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problematic microfossils (1)
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-
thallophytes (7)
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tracks (2)
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trails (1)
-
-
geochronology methods
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(U-Th)/He (1)
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Ar/Ar (8)
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exposure age (3)
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fission-track dating (2)
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He/He (1)
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K/Ar (7)
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optically stimulated luminescence (6)
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paleomagnetism (50)
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Pb/Pb (5)
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Rb/Sr (21)
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Sm/Nd (7)
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tephrochronology (2)
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Th/U (2)
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thermochronology (2)
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U/Pb (37)
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U/Th/Pb (4)
-
-
geologic age
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Cenozoic
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Quaternary
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Holocene
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lower Holocene (10)
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middle Holocene (1)
-
upper Holocene (10)
-
-
Pleistocene
-
Lake Agassiz (6)
-
Lake Algonquin (9)
-
Lake Chicago (5)
-
Lake Maumee (2)
-
upper Pleistocene
-
Sangamonian (1)
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Twocreekan (4)
-
Weichselian
-
upper Weichselian
-
Younger Dryas (4)
-
-
-
Wisconsinan
-
upper Wisconsinan (2)
-
Woodfordian (5)
-
-
-
Wedron Formation (1)
-
-
upper Quaternary (13)
-
-
Tertiary
-
Neogene
-
Miocene (2)
-
-
Paleogene
-
Eocene
-
upper Eocene
-
Yazoo Clay (1)
-
-
-
-
-
-
Lake Bonneville (1)
-
Laurentide ice sheet (26)
-
Mesozoic
-
Cretaceous
-
Dakota Formation (1)
-
Upper Cretaceous
-
Belle Fourche Shale (1)
-
Belly River Formation (1)
-
Carlile Shale (1)
-
Eagle Sandstone (1)
-
Fruitland Formation (1)
-
Greenhorn Limestone (1)
-
Judith River Formation (1)
-
Milk River Formation (1)
-
-
-
Jurassic
-
Middle Jurassic (2)
-
Upper Jurassic
-
Smackover Formation (1)
-
-
-
Navajo Sandstone (1)
-
Triassic (1)
-
-
MIS 3 (1)
-
Paleozoic
-
Bedford Shale (1)
-
Berea Sandstone (2)
-
Cambrian
-
Upper Cambrian
-
Bonneterre Formation (1)
-
Eau Claire Formation (5)
-
Franconia Formation (5)
-
Galesville Sandstone (8)
-
Mount Simon Sandstone (7)
-
Potsdam Sandstone (3)
-
Steptoean (1)
-
Trempealeauan (1)
-
Wonewoc Formation (3)
-
-
-
Carboniferous
-
Lower Carboniferous
-
Dinantian (1)
-
-
Mississippian
-
Lower Mississippian
-
Kinderhookian (1)
-
Osagian
-
Burlington Limestone (1)
-
-
Tournaisian (1)
-
-
Middle Mississippian (1)
-
Sunbury Shale (1)
-
Upper Mississippian
-
Chesterian (1)
-
Meramecian
-
Sainte Genevieve Limestone (1)
-
-
-
-
Pennsylvanian
-
Francis Creek Shale (1)
-
Lower Pennsylvanian (1)
-
Middle Pennsylvanian
-
Atokan (2)
-
Carbondale Formation (1)
-
Desmoinesian (1)
-
-
Saginaw Formation (3)
-
Upper Pennsylvanian (2)
-
-
-
Devonian
-
Cedar City Formation (1)
-
Lower Devonian
-
Emsian (2)
-
Oriskany Sandstone (1)
-
-
Middle Devonian
-
Columbus Limestone (3)
-
Couvinian (1)
-
Delaware Limestone (2)
-
Detroit River Group (4)
-
Dundee Limestone (10)
-
Eifelian (3)
-
Givetian (10)
-
Hamilton Group (4)
-
Ludlowville Formation (1)
-
Marcellus Shale (1)
-
Moscow Formation (1)
-
Onondaga Limestone (3)
-
Sylvania Formation (1)
-
Tioga Bentonite (1)
-
-
Traverse Group (19)
-
Upper Devonian
-
Cleveland Member (1)
-
Famennian
-
Wabamun Group (1)
-
-
Huron Member (1)
-
Nisku Formation (1)
-
Ohio Shale (3)
-
-
-
lower Paleozoic
-
Cape Phillips Formation (1)
-
Conococheague Formation (1)
-
-
Minnelusa Formation (1)
-
New Albany Shale (1)
-
Ordovician
-
Lower Ordovician
-
Ibexian (1)
-
Oneota Dolomite (2)
-
Prairie du Chien Group (7)
-
Shakopee Formation (2)
-
-
Middle Ordovician
-
Black River Group (7)
-
Blackriverian (2)
-
Champlainian (3)
-
Darriwilian (1)
-
Decorah Shale (5)
-
Galena Dolomite (8)
-
Glenwood Shale (4)
-
Platteville Formation (15)
-
Saint Peter Sandstone (15)
-
Simpson Group (1)
-
-
Trenton Group (14)
-
Upper Ordovician
-
Ashgillian (2)
-
Caradocian (1)
-
Cincinnatian (1)
-
Katian (2)
-
Maquoketa Formation (5)
-
Mohawkian (1)
-
Neda Formation (2)
-
Queenston Shale (2)
-
Red River Formation (1)
-
Sandbian (2)
-
Trentonian (15)
-
-
Utica Shale (3)
-
-
Permian
-
Lower Permian (1)
-
-
Sauk Sequence (1)
-
Silurian
-
Bass Islands Dolomite (3)
-
Lockport Formation (4)
-
Lower Silurian
-
Alexandrian (1)
-
Llandovery
-
Aeronian (1)
-
-
Wenlock (11)
-
-
Middle Silurian
-
Clinton Group (2)
-
Guelph Formation (2)
-
Racine Dolomite (14)
-
Waldron Shale (1)
-
-
Niagaran (46)
-
Upper Silurian
-
Cayugan (1)
-
Ludlow (4)
-
Salina Group (10)
-
-
-
upper Paleozoic
-
Antrim Shale (14)
-
Kaskaskia Sequence (1)
-
-
Weber Sandstone (1)
-
Woodford Shale (1)
-
-
Phanerozoic (2)
-
Precambrian
-
Animikie Group (2)
-
Archean
-
Neoarchean (8)
-
Paleoarchean (1)
-
Timiskaming Group (1)
-
-
Biwabik Iron Formation (1)
-
Central Rand Group (1)
-
Espanola Formation (5)
-
Gunflint Iron Formation (10)
-
Hamersley Group (1)
-
middle Precambrian (4)
-
Nipissing Diabase (1)
-
Nonesuch Shale (17)
-
North Shore Volcanics (4)
-
Osler Series (2)
-
Sioux Quartzite (1)
-
Sokoman Formation (1)
-
Uinta Mountain Group (1)
-
upper Precambrian
-
Proterozoic
-
Algonkian
-
Baraboo Quartzite (8)
-
-
Baraga Group (4)
-
Great Oxidation Event (1)
-
Huronian
-
Gowganda Formation (6)
-
Onaping Formation (1)
-
-
Keweenawan
-
Copper Harbor Conglomerate (13)
-
Portage Lake Lava Series (11)
-
-
Mesoproterozoic
-
Belt Supergroup (1)
-
Freda Sandstone (5)
-
Helikian
-
Neohelikian (1)
-
-
Stenian (2)
-
-
Negaunee Iron Formation (8)
-
Neoproterozoic (11)
-
Oronto Group (8)
-
Paleoproterozoic
-
Aphebian (2)
-
Hemlock Formation (2)
-
Marquette Range Supergroup (5)
-
Michigamme Formation (4)
-
Thomson Formation (2)
-
Virginia Formation (1)
-
-
-
-
Witwatersrand Supergroup (2)
-
-
-
igneous rocks
-
extrusive rocks (1)
-
igneous rocks
-
carbonatites (6)
-
feldspathoid rocks (1)
-
granophyre (2)
-
kimberlite (5)
-
picrite (3)
-
plutonic rocks
-
anorthosite (2)
-
diabase (5)
-
diorites
-
quartz diorites (1)
-
tonalite (6)
-
trondhjemite (4)
-
-
gabbros (3)
-
granites
-
alaskite (1)
-
aplite (1)
-
A-type granites (2)
-
-
granodiorites (3)
-
lamproite (1)
-
lamprophyres
-
monchiquite (1)
-
spessartite (1)
-
-
monzonites (1)
-
pegmatite (8)
-
quartz monzonite (2)
-
syenites
-
nepheline syenite (1)
-
-
ultramafics
-
peridotites
-
harzburgite (2)
-
-
-
-
porphyry (3)
-
volcanic rocks
-
adakites (1)
-
andesites (2)
-
basalts
-
flood basalts (2)
-
olivine tholeiite (2)
-
shoshonite (1)
-
-
dacites (1)
-
glasses (1)
-
komatiite (2)
-
pyroclastics
-
tuff (4)
-
-
rhyodacites (1)
-
rhyolites
-
quartz porphyry (1)
-
-
-
-
ophiolite (1)
-
wehrlite (1)
-
-
metamorphic rocks
-
metamorphic rocks
-
amphibolites (2)
-
eclogite (1)
-
fulgurite (1)
-
gneisses
-
granite gneiss (2)
-
paragneiss (2)
-
tonalite gneiss (1)
-
-
granulites (7)
-
hornfels (1)
-
metaigneous rocks
-
metabasalt (1)
-
metadiabase (1)
-
metagranite (3)
-
-
metaplutonic rocks (4)
-
metasedimentary rocks
-
metaconglomerate (3)
-
metagraywacke (1)
-
metasandstone (1)
-
paragneiss (2)
-
-
metasomatic rocks
-
rodingite (1)
-
skarn (2)
-
-
metavolcanic rocks (20)
-
migmatites (5)
-
mylonites (1)
-
phyllites (1)
-
quartzites (13)
-
schists
-
greenschist (1)
-
greenstone (3)
-
-
slates (4)
-
-
ophiolite (1)
-
turbidite (1)
-
-
meteorites
-
meteorites (1)
-
-
minerals
-
alloys
-
silicides (1)
-
-
antimonates (1)
-
antimonides (1)
-
arsenates (2)
-
arsenides
-
nickeline (1)
-
pararammelsbergite (1)
-
rammelsbergite (2)
-
-
carbonates
-
aragonite (1)
-
bastnaesite (3)
-
calcite (12)
-
dolomite (18)
-
magnesian calcite (2)
-
siderite (4)
-
-
copper minerals (2)
-
halides
-
chlorides
-
atacamite (1)
-
halite (7)
-
pyromorphite (1)
-
sylvite (2)
-
-
fluorides
-
bastnaesite (3)
-
fluorite (2)
-
zinnwaldite (1)
-
-
-
minerals (24)
-
native elements
-
diamond (4)
-
graphite (1)
-
-
oxides
-
anatase (1)
-
baddeleyite (2)
-
birnessite (1)
-
cassiterite (2)
-
chrome spinel (1)
-
ferrihydrite (2)
-
goethite (2)
-
hematite (13)
-
hydroxides
-
iron hydroxides (2)
-
oxyhydroxides (2)
-
-
ilmenite (3)
-
iron oxides (1)
-
limonite (1)
-
magnesium oxides (1)
-
magnetite (7)
-
manganese oxides (1)
-
martite (1)
-
nigerite (1)
-
niobates
-
columbite (1)
-
euxenite (1)
-
samarskite (1)
-
-
perovskite (1)
-
pitchblende (1)
-
pseudobrookite (1)
-
rutile (3)
-
specularite (2)
-
spinel (1)
-
tantalates
-
euxenite (1)
-
tantalite (1)
-
-
titanium oxides (1)
-
todorokite (1)
-
uraninite (3)
-
-
phosphates
-
apatite (6)
-
lazulite (1)
-
monazite (9)
-
pyromorphite (1)
-
rhabdophane (1)
-
xenotime (4)
-
-
silicates
-
asbestos (1)
-
chain silicates
-
amphibole group
-
alkalic amphibole (1)
-
clinoamphibole
-
actinolite (1)
-
cummingtonite (2)
-
hornblende (4)
-
-
-
prehnite (1)
-
pyroxene group
-
clinopyroxene
-
pigeonite (1)
-
-
orthopyroxene (2)
-
-
-
framework silicates
-
feldspar group
-
alkali feldspar
-
adularia (2)
-
K-feldspar (8)
-
microcline (2)
-
orthoclase (1)
-
sanidine (2)
-
-
plagioclase
-
albite (1)
-
-
-
silica minerals
-
amethyst (1)
-
cristobalite (1)
-
quartz (18)
-
-
-
iron silicates (1)
-
orthosilicates
-
nesosilicates
-
garnet group
-
pyrope (2)
-
-
olivine group
-
forsterite (1)
-
olivine (4)
-
-
phenakite group
-
phenakite (1)
-
-
titanite group
-
titanite (1)
-
-
zircon group
-
thorite (1)
-
zircon (35)
-
-
-
sorosilicates
-
bertrandite (1)
-
epidote group
-
allanite (1)
-
epidote (1)
-
-
melilite group (1)
-
pumpellyite group
-
pumpellyite (3)
-
-
-
-
ring silicates
-
tourmaline group
-
foitite (1)
-
-
-
sheet silicates
-
chlorite group
-
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tellurides
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Primary terms
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carbon
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chemical analysis (3)
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Chordata
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