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NARROW
Format
Article Type
Journal
Publisher
Section
GeoRef Subject
-
all geography including DSDP/ODP Sites and Legs
-
Africa
-
North Africa
-
Atlas Mountains
-
Moroccan Atlas Mountains
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Anti-Atlas (1)
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-
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Morocco
-
Moroccan Atlas Mountains
-
Anti-Atlas (1)
-
-
-
-
Southern Africa
-
Zimbabwe (1)
-
-
West Africa
-
Mauritanides (2)
-
-
West African Shield (1)
-
-
Arctic Ocean
-
Mendeleyev Ridge (1)
-
-
Arctic region
-
Greenland
-
Peary Land (1)
-
-
Svalbard
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Spitsbergen (2)
-
-
-
Asia
-
Arabian Peninsula
-
Oman (1)
-
-
Far East
-
Borneo
-
East Malaysia
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Sarawak Malaysia (1)
-
-
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China (2)
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Indonesia
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Java (1)
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Japan (2)
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Malaysia
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East Malaysia
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Sarawak Malaysia (1)
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-
-
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Himalayas (2)
-
Indian Peninsula
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India (2)
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Kohistan (1)
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Pakistan (1)
-
-
Middle East
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Iran (1)
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Iraq (1)
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Zagros (1)
-
-
Popigay Structure (1)
-
Tien Shan (1)
-
-
Atlantic Ocean
-
North Atlantic
-
Baltimore Canyon (1)
-
Baltimore Canyon Trough (2)
-
Bay of Biscay (1)
-
Bermuda Rise (1)
-
Blake Plateau (2)
-
Georges Bank (3)
-
Gulf of Mexico (4)
-
Gulf of Saint Lawrence (1)
-
Long Island Sound (1)
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North Sea (3)
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Northwest Atlantic (9)
-
Wilmington Canyon (3)
-
-
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Atlantic region (11)
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Australasia
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Australia
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Western Australia
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Yilgarn Craton (1)
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-
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New Zealand
-
Otago New Zealand
-
Oamaru New Zealand (1)
-
-
-
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Avalon Zone (10)
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Beaver Creek (1)
-
Caledonides (21)
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Canada
-
Eastern Canada
-
Gander Zone (5)
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James Bay (1)
-
Maritime Provinces
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New Brunswick
-
Gloucester County New Brunswick
-
Bathurst New Brunswick (1)
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-
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Nova Scotia
-
Antigonish County Nova Scotia (1)
-
Cape Breton Island (1)
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Minas Basin (1)
-
-
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Meguma Terrane (1)
-
Newfoundland and Labrador
-
Labrador (2)
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Newfoundland (38)
-
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Ontario
-
Simcoe County Ontario
-
Borden Ontario (1)
-
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Sudbury District Ontario (1)
-
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Quebec
-
Charlevoix-Est County Quebec (1)
-
Gaspe Peninsula (6)
-
Gaspe-Est County Quebec
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Gaspe Quebec (2)
-
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Megantic County Quebec (1)
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Quebec City Quebec (1)
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Sherbrooke County Quebec (1)
-
-
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Ungava (1)
-
Western Canada
-
Alberta (2)
-
British Columbia
-
Prince Rupert British Columbia (1)
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Skeena Mountains (1)
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Canadian Cordillera (2)
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Yukon Territory (1)
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-
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Caribbean region
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West Indies
-
Antilles
-
Lesser Antilles
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Barbados (1)
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Virgin Islands (2)
-
-
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Bahamas (2)
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-
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Cascade Range (1)
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Cascadia subduction zone (1)
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Central America
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Chortis Block (1)
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Costa Rica (1)
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Honduras (1)
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Panama (2)
-
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Central Basin (2)
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Chesapeake Bay impact structure (3)
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Chicxulub Crater (1)
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Coast Ranges (1)
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Commonwealth of Independent States
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Donets Basin (1)
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Russian Federation
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Popigay Structure (1)
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-
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Dunnage Melange (2)
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Dunnage Zone (7)
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Europe
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Alps
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Swiss Alps (1)
-
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Carpathians (1)
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Central Europe
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Bohemian Massif (2)
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Germany
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Bavaria Germany (1)
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Franconia (1)
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Saxony Germany (1)
-
-
Molasse Basin (1)
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Switzerland
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Swiss Alps (1)
-
-
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Donets Basin (1)
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Jura Mountains (2)
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Pyrenees (4)
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Southern Europe
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Iberian Peninsula
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Iberian pyrite belt (1)
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Spain
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Andalusia Spain
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Huelva Spain
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Rio Tinto Spain (1)
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-
-
-
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Italy
-
Calabria Italy (1)
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Ivrea-Verbano Zone (1)
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Sicily Italy
-
Lipari Islands
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Vulcano (1)
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Pantelleria (1)
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-
-
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Tornquist-Teisseyre Zone (1)
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Variscides (2)
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Western Europe
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Ardennes (1)
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Belgium (1)
-
France
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Armorican Massif (2)
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Central Massif (1)
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Hautes-Pyrenees France
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Lourdes France (1)
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-
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Ireland
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Galway Ireland (1)
-
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Netherlands (1)
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Scandinavia
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Denmark (1)
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Norway (4)
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Sulitjelma (1)
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Sweden
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Norrbotten Sweden
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Kiruna Sweden (1)
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-
-
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United Kingdom
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Great Britain
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England
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Cambridge England (1)
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Shropshire England (1)
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Wessex Basin (2)
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Scotland
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Moine thrust zone (1)
-
Scottish Highlands
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Grampian Highlands (1)
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-
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Wales
-
Anglesey Wales (2)
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Pembrokeshire Wales
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Pembroke Wales (1)
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-
-
-
-
-
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Fall Line (4)
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Front Range (2)
-
Grand Canyon (1)
-
Grandfather Mountain (1)
-
Great South Bay (1)
-
Green Mountains (1)
-
Gulf of Mexico Basin (1)
-
Hartford Basin (6)
-
Highland Rim (1)
-
Indian Ocean
-
Bay of Bengal (1)
-
-
Iron Mountain (1)
-
James River (5)
-
Kings Mountain (1)
-
Malay Archipelago
-
Borneo
-
East Malaysia
-
Sarawak Malaysia (1)
-
-
-
-
Maritimes Basin (1)
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Mediterranean Sea (1)
-
Mexico
-
Tabasco Mexico (1)
-
-
Mohawk Valley (1)
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Newport Bay (1)
-
North America
-
Appalachian Basin (46)
-
Appalachians
-
Appalachian Plateau (1)
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Blue Ridge Mountains (9)
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Blue Ridge Province (25)
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Central Appalachians (37)
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Great Appalachian Valley (5)
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Northern Appalachians (2)
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Piedmont
-
Inner Piedmont (1)
-
-
Southern Appalachians (6)
-
Valley and Ridge Province (27)
-
-
Basin and Range Province
-
Great Basin (2)
-
-
Canadian Shield
-
Grenville Province (6)
-
Slave Province (1)
-
Superior Province
-
Abitibi Belt (1)
-
-
-
Champlain Valley (1)
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Eastern Overthrust Belt (3)
-
Great Lakes region (2)
-
Great Plains (1)
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Grenville Front (1)
-
Gulf Coastal Plain (9)
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Humber Zone (3)
-
Keweenawan Rift (1)
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Michigan Basin (4)
-
Niagara Falls (1)
-
North American Cordillera
-
Canadian Cordillera (2)
-
-
North American Craton (1)
-
Rocky Mountains
-
U. S. Rocky Mountains
-
Wind River Range (1)
-
-
-
Saint Lawrence Lowlands (3)
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Saint Lawrence River (2)
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Saint Lawrence Valley (1)
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Western Interior
-
Western Interior Seaway (1)
-
-
-
North Island (1)
-
Northern Hemisphere (2)
-
Pacific Ocean
-
East Pacific
-
Northeast Pacific (1)
-
-
North Pacific
-
Northeast Pacific (1)
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Northwest Pacific
-
Nankai Trough (1)
-
Shatsky Rise (1)
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-
-
West Pacific
-
Northwest Pacific
-
Nankai Trough (1)
-
Shatsky Rise (1)
-
-
-
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Palisades Sill (1)
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Platte River (1)
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Richmond Basin (6)
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Rome Trough (1)
-
Russian Platform (1)
-
San Juan Basin (1)
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Sandy Hook (1)
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South America
-
Amazon Basin (1)
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Amazonian Craton (2)
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Andes
-
Eastern Cordillera (1)
-
-
Argentina
-
Neuquen Basin (1)
-
-
Brazil
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Sao Paulo Brazil (1)
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-
Chile
-
Atacama Chile (1)
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Colombia (1)
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Patagonia (1)
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Peru (1)
-
Venezuela
-
Orinoco Delta (1)
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-
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South Island (1)
-
South Mountain (2)
-
Southern Ocean
-
Weddell Sea
-
Maud Rise (1)
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-
-
United States
-
Alabama
-
Chilton County Alabama (1)
-
Clay County Alabama (1)
-
Cleburne County Alabama (1)
-
Coosa County Alabama (1)
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Talladega County Alabama (1)
-
Walker County Alabama (1)
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-
Alaska
-
Aleutian Islands (1)
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Brooks Range (1)
-
-
Allegheny Front (1)
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Allegheny Plateau (1)
-
Anadarko Basin (3)
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Aquia Aquifer (2)
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Ardmore Basin (2)
-
Arizona
-
Pima County Arizona
-
Tucson Arizona (1)
-
-
-
Arkansas (6)
-
Arkoma Basin (2)
-
Atlantic Coastal Plain
-
Central Atlantic Coastal Plain (18)
-
Southern Atlantic Coastal Plain (1)
-
-
Bighorn Basin (1)
-
Black Warrior Basin (5)
-
Blue Ridge Mountains (9)
-
Brevard Zone (1)
-
Bronson Hill Anticlinorium (3)
-
California
-
Inyo County California (1)
-
Los Angeles County California
-
Los Angeles California (1)
-
-
Salton Sea (1)
-
San Benito County California (1)
-
San Diego County California
-
San Diego California (1)
-
-
San Joaquin Valley (1)
-
Santa Clara County California
-
San Jose California (1)
-
-
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Carolina Terrane (2)
-
Catskill Delta (11)
-
Chesapeake Bay (49)
-
Cincinnati Arch (1)
-
Colorado
-
Ouray County Colorado (1)
-
-
Connecticut
-
Hartford County Connecticut (1)
-
-
Connecticut Valley (1)
-
Culpeper Basin (14)
-
Dan River basin (3)
-
Delaware
-
Kent County Delaware
-
Dover Air Force Base (4)
-
-
New Castle County Delaware
-
Wilmington Delaware (1)
-
-
Sussex County Delaware
-
Bethany Beach Delaware (3)
-
-
-
Delaware Basin (2)
-
Delaware Bay (6)
-
Delaware River (1)
-
Delaware River basin (1)
-
Delmarva Peninsula (12)
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Denver Basin (1)
-
District of Columbia (22)
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Eastern U.S.
-
Northeastern U.S. (1)
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Southeastern U.S. (4)
-
-
Florida
-
Duval County Florida (2)
-
Franklin County Florida
-
Apalachicola Bay (1)
-
-
-
Georgia
-
Floyd County Georgia (1)
-
Gordon County Georgia (1)
-
Greene County Georgia (1)
-
Macon County Georgia (1)
-
Murray County Georgia (1)
-
Whitfield County Georgia (1)
-
-
Gettysburg Basin (3)
-
Great Basin (2)
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Great Smoky Fault (1)
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Hudson River (3)
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Hurricane Ridge Syncline (1)
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Idaho (1)
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Illinois (2)
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Illinois Basin (5)
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Indiana
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Jackson County Indiana (1)
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Lawrence County Indiana (1)
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-
Kansas (1)
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Kentucky
-
Clinton County Kentucky (1)
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Rowan County Kentucky (1)
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Russell County Kentucky (1)
-
-
Kings Mountain Belt (2)
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Kirkwood-Cohansey Aquifer (1)
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Little Missouri River basin (1)
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Louisiana (4)
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Magothy Aquifer (1)
-
Maine
-
Penobscot County Maine (1)
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York County Maine (1)
-
-
Maryland
-
Allegany County Maryland
-
Cumberland Maryland (2)
-
-
Anne Arundel County Maryland (4)
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Baltimore County Maryland
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Baltimore Maryland (10)
-
-
Calvert County Maryland (25)
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Carroll County Maryland (5)
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Cecil County Maryland (6)
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Charles County Maryland (9)
-
Dorchester County Maryland (4)
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Frederick County Maryland (4)
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Harford County Maryland
-
Aberdeen Proving Ground (4)
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-
Howard County Maryland (2)
-
Montgomery County Maryland (13)
-
Patuxent River (3)
-
Prince Georges County Maryland (15)
-
Queen Anne's County Maryland (1)
-
Saint Mary's County Maryland (9)
-
Somerset County Maryland (1)
-
Talbot County Maryland (2)
-
Washington County Maryland (12)
-
Wicomico County Maryland (5)
-
Worcester County Maryland (10)
-
-
Massachusetts
-
Barnstable County Massachusetts
-
Cape Cod (1)
-
-
Middlesex County Massachusetts (1)
-
-
Merrimack Synclinorium (1)
-
Michigan
-
Michigan Lower Peninsula
-
Calhoun County Michigan (1)
-
-
-
Midcontinent (9)
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Midwest (3)
-
Mississippi (6)
-
Mississippi Delta (2)
-
Mississippi Embayment (1)
-
Mississippi Valley (3)
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Missouri (2)
-
Montana
-
Silver Bow County Montana
-
Butte Montana (1)
-
-
-
Nebraska (2)
-
Nevada
-
Elko County Nevada (1)
-
Nevada Test Site (1)
-
-
New England (20)
-
New Hampshire (2)
-
New Jersey
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Atlantic County New Jersey
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Atlantic City New Jersey (1)
-
-
Burlington County New Jersey (4)
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Camden County New Jersey (2)
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Cape May County New Jersey (2)
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Cumberland County New Jersey (4)
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Hudson County New Jersey (1)
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Mercer County New Jersey
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Trenton New Jersey (1)
-
-
Millville New Jersey (1)
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Ocean County New Jersey (1)
-
Passaic County New Jersey (1)
-
Salem County New Jersey (6)
-
-
New Madrid region (1)
-
New Mexico (3)
-
New York
-
Adirondack Mountains (3)
-
Essex County New York (1)
-
New York City New York (2)
-
Saint Lawrence County New York
-
Balmat-Edwards mining district (1)
-
-
Schoharie County New York (1)
-
Westchester County New York (1)
-
-
Newark Basin (6)
-
Newark-Gettysburg Basin (2)
-
North Carolina
-
Carteret County North Carolina (1)
-
Cleveland County North Carolina (1)
-
Dare County North Carolina
-
Cape Hatteras (1)
-
-
Macon County North Carolina (1)
-
Mitchell County North Carolina (1)
-
New Hanover County North Carolina (1)
-
Pamlico Sound (1)
-
-
Ohio
-
Monroe County Ohio (1)
-
Washington County Ohio (1)
-
-
Oklahoma
-
Wichita Mountains (1)
-
-
Oregon (3)
-
Ouachita Belt (5)
-
Ouachita Mountains (8)
-
Ozark Mountains (1)
-
Pennsylvania
-
Adams County Pennsylvania (7)
-
Allegheny County Pennsylvania (1)
-
Bedford County Pennsylvania (3)
-
Berks County Pennsylvania
-
Reading Pennsylvania (1)
-
-
Blair County Pennsylvania (3)
-
Bucks County Pennsylvania (1)
-
Cambria County Pennsylvania (2)
-
Chester County Pennsylvania (20)
-
Cumberland County Pennsylvania (2)
-
Delaware County Pennsylvania (4)
-
Fayette County Pennsylvania (1)
-
Franklin County Pennsylvania (2)
-
Huntingdon County Pennsylvania (1)
-
Indiana County Pennsylvania (1)
-
Lancaster County Pennsylvania (26)
-
Lebanon County Pennsylvania (1)
-
Montgomery County Pennsylvania (3)
-
Northampton County Pennsylvania (1)
-
Perry County Pennsylvania (2)
-
Philadelphia County Pennsylvania
-
Philadelphia Pennsylvania (13)
-
-
Somerset County Pennsylvania (1)
-
York County Pennsylvania
-
York Pennsylvania (3)
-
-
-
Potomac River (15)
-
Potomac River basin (6)
-
Reading Prong (3)
-
Reelfoot Rift (1)
-
Rhode Island (3)
-
Rock Creek Park (1)
-
Salisbury Embayment (11)
-
Sevier orogenic belt (1)
-
Shenandoah Valley (5)
-
South Carolina (8)
-
South Dakota
-
Hughes County South Dakota (1)
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Hyde County South Dakota (1)
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Lyman County South Dakota (1)
-
-
Southern U.S. (2)
-
Susquehanna River (6)
-
Susquehanna River basin (1)
-
Talladega Front (3)
-
Tennessee
-
Blount County Tennessee (2)
-
Loudon County Tennessee (1)
-
Pickett County Tennessee (1)
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Polk County Tennessee
-
Ducktown Tennessee (1)
-
-
-
Texas
-
Bastrop County Texas (1)
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Fort Worth Basin (1)
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Val Verde Basin (2)
-
-
U. S. Rocky Mountains
-
Wind River Range (1)
-
-
Uinta Basin (1)
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Utah (3)
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Vermont
-
Franklin County Vermont (1)
-
-
Virginia
-
Accomack County Virginia (5)
-
Albemarle County Virginia (7)
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Arlington County Virginia (1)
-
Augusta County Virginia (3)
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Bath County Virginia (1)
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Buckingham County Virginia (5)
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Caroline County Virginia (2)
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Carroll County Virginia (1)
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Chesterfield County Virginia (4)
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Clarke County Virginia (3)
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Craig County Virginia (1)
-
Culpeper County Virginia (8)
-
Fairfax County Virginia (13)
-
Fauquier County Virginia (7)
-
Fluvanna County Virginia (3)
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Frederick County Virginia (1)
-
Giles County Virginia (5)
-
Goochland County Virginia (9)
-
Hanover County Virginia (2)
-
Henrico County Virginia (5)
-
King George County Virginia (5)
-
King William County Virginia (1)
-
Loudoun County Virginia (9)
-
Louisa County Virginia (45)
-
Madison County Virginia (5)
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Mathews County Virginia (1)
-
Nelson County Virginia (7)
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New Kent County Virginia (2)
-
Northampton County Virginia (7)
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Northumberland County Virginia (2)
-
Orange County Virginia (5)
-
Page County Virginia (1)
-
Pamunkey River (3)
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Pittsylvania County Virginia (1)
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Powhatan County Virginia (4)
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Prince George County Virginia (1)
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Prince William County Virginia (7)
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Pulaski County Virginia (1)
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Rappahannock County Virginia (4)
-
Rappahannock River (3)
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Richmond Virginia (5)
-
Rockbridge County Virginia (4)
-
Rockingham County Virginia (8)
-
Shenandoah County Virginia (5)
-
Shenandoah National Park (1)
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Spotsylvania County Virginia (1)
-
Stafford County Virginia (7)
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Tazewell County Virginia (2)
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Warren County Virginia (5)
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Waynesboro Virginia (1)
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Westmoreland County Virginia (4)
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Wythe County Virginia (2)
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-
Washington
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Hanford Site (2)
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Olympic Peninsula (1)
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West Virginia
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Barbour County West Virginia (1)
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Berkeley County West Virginia (1)
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Calhoun County West Virginia (1)
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Doddridge County West Virginia (1)
-
Grant County West Virginia (3)
-
Hampshire County West Virginia (3)
-
Hardy County West Virginia (3)
-
Harrison County West Virginia (1)
-
Jefferson County West Virginia (2)
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Kanawha County West Virginia (1)
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Lewis County West Virginia (1)
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Marion County West Virginia (1)
-
Mineral County West Virginia (2)
-
Monongalia County West Virginia (1)
-
Morgan County West Virginia (3)
-
Pendleton County West Virginia (3)
-
Pleasants County West Virginia (1)
-
Preston County West Virginia (2)
-
Raleigh County West Virginia (1)
-
Randolph County West Virginia (1)
-
Ritchie County West Virginia (1)
-
Roane County West Virginia (1)
-
Taylor County West Virginia (1)
-
Tyler County West Virginia (1)
-
Upshur County West Virginia (1)
-
Wayne County West Virginia (1)
-
Wirt County West Virginia (1)
-
Wood County West Virginia (1)
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Western U.S. (3)
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Wyoming
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Wind River Range (1)
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Yellowstone National Park (1)
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commodities
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asbestos deposits (2)
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brines (5)
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construction materials
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building stone (4)
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energy sources (19)
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geothermal energy (1)
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industrial minerals (1)
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metal ores
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base metals (3)
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chromite ores (1)
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lead-zinc deposits (7)
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manganese ores (2)
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molybdenum ores (2)
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polymetallic ores (2)
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pyrite ores (2)
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silver ores (2)
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strontium ores (1)
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tungsten ores (2)
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zinc ores (5)
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mineral deposits, genesis (38)
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mineral exploration (13)
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oil and gas fields (13)
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ornamental materials (1)
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petroleum
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natural gas
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shale gas (2)
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placers (1)
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slate deposits (1)
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talc deposits (1)
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tight sands (2)
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water resources (4)
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elements, isotopes
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carbon
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C-13 (1)
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C-13/C-12 (16)
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C-14 (12)
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organic carbon (5)
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chemical ratios (1)
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halogens
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bromine
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bromide ion (1)
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chlorine
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chloride ion (6)
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-
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hydrogen
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D/H (1)
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isotope ratios (26)
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isotopes
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radioactive isotopes
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Be-10 (3)
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Be-10/Be-9 (1)
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C-14 (12)
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Cs-137 (3)
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K-40 (1)
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Pb-210 (3)
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Rn-222 (1)
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stable isotopes
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Ar-36 (1)
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Be-10/Be-9 (1)
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C-13 (1)
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C-13/C-12 (16)
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D/H (1)
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He-4/He-3 (1)
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Hf-177/Hf-176 (3)
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Nd-144/Nd-143 (6)
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O-18/O-16 (20)
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S-34/S-32 (6)
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Sr-87/Sr-86 (13)
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-
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metals
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actinides (1)
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alkali metals
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cesium
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Cs-137 (3)
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lithium (2)
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potassium
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K-40 (1)
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rubidium (2)
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sodium (1)
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alkaline earth metals
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barium (2)
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beryllium
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Be-10 (3)
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Be-10/Be-9 (1)
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calcium (2)
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magnesium (3)
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strontium
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Sr-87/Sr-86 (13)
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-
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arsenic (1)
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chromium (2)
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copper (3)
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hafnium
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Hf-177/Hf-176 (3)
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iron
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ferric iron (2)
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lead
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Pb-210 (3)
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manganese (1)
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nickel (1)
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niobium (1)
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rare earths
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cerium (1)
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europium (1)
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lutetium (1)
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neodymium
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Nd-144/Nd-143 (6)
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tantalum (1)
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titanium (3)
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zinc (5)
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zirconium (2)
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nitrogen (1)
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noble gases
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argon
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Ar-36 (1)
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helium
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He-4/He-3 (1)
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radon
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Rn-222 (1)
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oxygen
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dissolved oxygen (1)
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O-18/O-16 (20)
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phosphorus (3)
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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 (6)
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trace metals (4)
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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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borings (4)
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burrows (7)
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Chordata
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Vertebrata
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Pisces
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Chondrichthyes
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Holocephali (1)
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Osteichthyes
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Actinopterygii
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Teleostei (1)
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Tetrapoda
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Amphibia
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Labyrinthodontia
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Temnospondyli (1)
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Lissamphibia
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Caudata (1)
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Aves (1)
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Mammalia
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Multituberculata (1)
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Theria
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Artiodactyla
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Suiformes (1)
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Cetacea
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Archaeoceti (1)
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Metatheria
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Marsupialia (1)
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Reptilia
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Anapsida
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Testudines
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Chelonia (2)
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Cryptodira (1)
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Diapsida
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Archosauria
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Crocodilia
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Eusuchia (1)
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dinosaurs
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Ornithischia
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Ankylosauria (1)
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Ornithopoda
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Hadrosauridae (1)
-
-
-
-
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Lepidosauria
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Rhynchocephalia (1)
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Squamata
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Lacertilia
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Mosasauridae (2)
-
-
-
-
-
-
-
-
-
Graptolithina
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Graptoloidea
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Monograptina
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Monograptus
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Monograptus uniformis (1)
-
-
-
-
-
ichnofossils
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Skolithos (2)
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Thalassinoides (1)
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Invertebrata
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Archaeocyatha (1)
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Arthropoda
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Chelicerata
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Merostomata
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Eurypterida (2)
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-
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Mandibulata
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Crustacea
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Branchiopoda (1)
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Cirripedia (2)
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Malacostraca
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Callianassa (1)
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Ostracoda (6)
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-
-
Trilobitomorpha
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Trilobita
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Lichida (1)
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Phacopida (1)
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Ptychopariida (1)
-
-
-
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Brachiopoda
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Articulata
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Orthida (1)
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Pentamerida (1)
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Spiriferida
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Atrypidae (1)
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Terebratulida (1)
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Inarticulata (2)
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Bryozoa (1)
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Cnidaria
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Anthozoa (2)
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Echinodermata
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Crinozoa
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Blastoidea (1)
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Crinoidea (4)
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Echinozoa
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Echinoidea (2)
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Mollusca
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Bivalvia
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Heterodonta
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Veneroida
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Astartidae
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Astarte (3)
-
-
-
-
Ostreoidea (2)
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Pterioida
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Pteriina
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Pectinacea
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Pectinidae (1)
-
-
-
-
-
Cephalopoda
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Ammonoidea (6)
-
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Gastropoda
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Naticidae (3)
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Hyolithes (1)
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Porifera
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Demospongea (1)
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Hexactinellida (1)
-
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Protista
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Foraminifera
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Rotaliina
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Buliminacea
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Bulimina (1)
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Uvigerinidae
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Uvigerina (1)
-
-
-
Rotaliacea
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Ammonia
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Ammonia beccarii (1)
-
-
Elphidium
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Elphidium excavatum (1)
-
-
-
-
Textulariina
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Lituolacea
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Ammobaculites (1)
-
-
-
-
Radiolaria
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Osculosida
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Nassellina (1)
-
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Spumellina (1)
-
-
Silicoflagellata (3)
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Thecamoeba (1)
-
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Vermes
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Annelida (1)
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scolecodonts (1)
-
-
-
microfossils
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Conodonta
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Panderodus (1)
-
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scolecodonts (1)
-
-
palynomorphs
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acritarchs (1)
-
Dinoflagellata (13)
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megaspores (2)
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miospores
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pollen (5)
-
-
-
Plantae
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algae
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calcareous algae (1)
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diatoms (11)
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Epiphyton (1)
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nannofossils (5)
-
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Bryophyta
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Hepaticae (1)
-
-
Pteridophyta
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Filicopsida
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Archaeopteris (1)
-
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Lycopsida (1)
-
-
Spermatophyta
-
Angiospermae
-
Dicotyledoneae (2)
-
Monocotyledoneae (1)
-
-
Gymnospermae
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Coniferales
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Taxodium (1)
-
-
-
-
-
problematic fossils (3)
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thallophytes (6)
-
tracks (1)
-
-
geochronology methods
-
(U-Th)/He (2)
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Ar/Ar (5)
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exposure age (1)
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fission-track dating (3)
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K/Ar (9)
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Nd/Nd (1)
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optically stimulated luminescence (1)
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paleomagnetism (21)
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Pb/Pb (1)
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Pb/Th (1)
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radiation damage (1)
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Rb/Sr (11)
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Sm/Nd (1)
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thermochronology (6)
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tree rings (2)
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U/Pb (22)
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U/Th/Pb (2)
-
-
geologic age
-
Cenozoic
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Quaternary
-
Holocene
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lower Holocene (1)
-
upper Holocene (10)
-
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Pleistocene
-
Irvingtonian (1)
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upper Pleistocene
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Sangamonian (1)
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Wisconsinan
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lower Wisconsinan (1)
-
-
-
-
upper Quaternary (1)
-
-
Tertiary
-
Arikareean (1)
-
lower Tertiary (2)
-
Neogene
-
Cohansey Formation (2)
-
Miocene
-
Barstovian (1)
-
Calvert Formation (25)
-
lower Miocene
-
Burdigalian (1)
-
Hemingfordian (1)
-
-
middle Miocene
-
Choptank Formation (17)
-
-
Pungo River Formation (1)
-
Saint Marys Formation (18)
-
upper Miocene
-
Eastover Formation (7)
-
Tortonian (2)
-
-
-
Pliocene
-
upper Pliocene
-
Chowan River Formation (4)
-
-
Yorktown Formation (7)
-
-
-
Paleogene
-
Eocene
-
Castle Hayne Limestone (1)
-
Jacksonian (1)
-
lower Eocene
-
Aquia Formation (14)
-
Wind River Formation (1)
-
Ypresian (1)
-
-
middle Eocene
-
Carrizo Sand (1)
-
Lutetian (1)
-
Santee Limestone (1)
-
-
Nanjemoy Formation (11)
-
upper Eocene
-
Piney Point Formation (5)
-
-
-
Oligocene
-
lower Oligocene (1)
-
upper Oligocene (2)
-
-
Paleocene
-
lower Paleocene
-
Danian (2)
-
K-T boundary (3)
-
-
upper Paleocene
-
Landenian (1)
-
Thanetian (2)
-
-
-
Paleocene-Eocene Thermal Maximum (6)
-
Wilcox Group (1)
-
-
upper Tertiary (2)
-
-
upper Cenozoic
-
Chesapeake Group (16)
-
-
-
Coal Measures (2)
-
Laurentide ice sheet (2)
-
Mesozoic
-
Cretaceous
-
Dakota Formation (1)
-
Lower Cretaceous
-
Albian (3)
-
Aptian (4)
-
Barremian (2)
-
-
Potomac Group (13)
-
Upper Cretaceous
-
Almond Formation (1)
-
Campanian
-
upper Campanian (1)
-
-
Cenomanian
-
lower Cenomanian (2)
-
-
Frontier Formation (1)
-
Gulfian
-
Austin Chalk (1)
-
Woodbine Formation (1)
-
-
K-T boundary (3)
-
Maestrichtian
-
upper Maestrichtian (1)
-
-
Magothy Formation (2)
-
Marshalltown Formation (4)
-
Monmouth Group (1)
-
Navesink Formation (6)
-
Niobrara Formation (1)
-
Pierre Shale (1)
-
Raritan Formation (3)
-
Santonian (2)
-
Senonian (12)
-
Sharon Springs Member (1)
-
Tuscaloosa Formation (1)
-
-
-
Jurassic
-
Lower Jurassic
-
Feltville Formation (1)
-
Hampden Basalt (1)
-
Holyoke Basalt (1)
-
Portland Formation (1)
-
Toarcian (1)
-
upper Liassic (1)
-
-
Middle Jurassic (1)
-
Norphlet Formation (1)
-
Upper Jurassic
-
Cotton Valley Group (1)
-
Morrison Formation (1)
-
Smackover Formation (1)
-
-
-
lower Mesozoic (1)
-
Newark Supergroup (10)
-
Triassic
-
Middle Triassic
-
Ladinian (1)
-
-
Upper Triassic
-
Carnian (2)
-
Chinle Formation (1)
-
Norian (2)
-
Rhaetian (1)
-
-
-
-
Paleozoic
-
Berea Sandstone (1)
-
Cambrian
-
Acadian (10)
-
Lower Cambrian
-
Antietam Formation (3)
-
Chilhowee Group (3)
-
Kinzers Formation (3)
-
Rome Formation (3)
-
Shady Dolomite (3)
-
-
Middle Cambrian
-
Burgess Shale (1)
-
-
Pioche Shale (1)
-
Upper Cambrian
-
Potsdam Sandstone (1)
-
-
-
Carboniferous
-
Jackfork Group (1)
-
Lower Carboniferous
-
Dinantian (1)
-
-
Mississippian
-
Logan Formation (1)
-
Lower Mississippian
-
Cuyahoga Formation (1)
-
Fort Payne Formation (1)
-
Kinderhookian (2)
-
Osagian (2)
-
Pocono Formation (4)
-
Tournaisian (1)
-
-
Middle Mississippian
-
Visean (1)
-
-
Newman Limestone (1)
-
Price Formation (3)
-
Sunbury Shale (1)
-
Upper Mississippian
-
Chesterian (2)
-
Greenbrier Limestone (4)
-
Hartselle Sandstone (1)
-
Mauch Chunk Formation (1)
-
Monteagle Limestone (1)
-
-
-
Namurian (1)
-
Pennsylvanian
-
Conemaugh Group (3)
-
Freeport Formation (2)
-
Lower Pennsylvanian
-
Lee Formation (2)
-
Pocahontas Formation (4)
-
-
Middle Pennsylvanian
-
Allegheny Group (4)
-
Atokan
-
Atoka Formation (1)
-
-
Breathitt Formation (2)
-
Kanawha Formation (2)
-
-
Monongahela Group (1)
-
Pittsburgh Coal (1)
-
Pottsville Group (5)
-
Upper Pennsylvanian (4)
-
-
Upper Carboniferous (5)
-
-
Catskill Formation (9)
-
Chattanooga Shale (1)
-
Devonian
-
Lower Devonian
-
Emsian (4)
-
Lochkovian (1)
-
Oriskany Sandstone (10)
-
Pragian (2)
-
-
Middle Devonian
-
Eifelian (3)
-
Givetian (1)
-
Hamilton Group (3)
-
Mahantango Formation (2)
-
Marcellus Shale (8)
-
Onondaga Limestone (2)
-
Tully Limestone (2)
-
-
Old Red Sandstone (2)
-
Upper Devonian
-
Brallier Shale (1)
-
Chemung Formation (2)
-
Cleveland Member (2)
-
Famennian (3)
-
Frasnian (6)
-
Hampshire Formation (4)
-
Huron Member (2)
-
Ohio Shale (4)
-
-
-
Dunkard Group (1)
-
Helderberg Group (3)
-
Keyser Limestone (4)
-
Knox Group (2)
-
lower Paleozoic
-
Ashe Formation (1)
-
Bay of Islands Ophiolite (3)
-
Chopawamsic Formation (5)
-
Conococheague Formation (10)
-
Glenarm Series (14)
-
Wilmington Complex (7)
-
-
middle Paleozoic (3)
-
Ordovician
-
Lower Ordovician
-
Arenigian (3)
-
Beekmantown Group (9)
-
Tremadocian (1)
-
-
Martinsburg Formation (5)
-
Meguma Group (2)
-
Middle Ordovician
-
Black River Group (1)
-
Chazy Group (1)
-
Deicke Bentonite Bed (2)
-
Millbrig Bentonite Bed (2)
-
Schenectady Formation (1)
-
-
Trenton Group (2)
-
Upper Ordovician
-
Juniata Formation (2)
-
Queenston Shale (1)
-
Trentonian (2)
-
-
Utica Shale (3)
-
-
Permian
-
Lower Permian (1)
-
-
Rondout Formation (2)
-
Sauk Sequence (1)
-
Silurian
-
Lockport Formation (1)
-
Lower Silurian
-
Llandovery (1)
-
Tuscarora Formation (5)
-
-
Middle Silurian
-
Clinton Group (4)
-
Keefer Sandstone (1)
-
McKenzie Formation (2)
-
Rose Hill Formation (1)
-
-
Niagaran (1)
-
Upper Silurian
-
Bloomsburg Formation (2)
-
Cayugan
-
Tonoloway Limestone (1)
-
-
-
-
Talladega Group (1)
-
upper Paleozoic (6)
-
Wissahickon Formation (15)
-
-
Phanerozoic (7)
-
Precambrian
-
Archean (3)
-
Baltimore Gneiss (10)
-
Catoctin Formation (9)
-
Eocambrian (3)
-
Great Smoky Group (1)
-
upper Precambrian
-
Proterozoic
-
Coldbrook Group (1)
-
Mesoproterozoic
-
Helikian (1)
-
-
Neoproterozoic
-
Cryogenian (2)
-
Ediacaran (3)
-
Hadrynian (1)
-
Lynchburg Formation (1)
-
Moine Supergroup (1)
-
Tonian (1)
-
Vendian (1)
-
-
Paleoproterozoic (2)
-
-
-
-
-
igneous rocks
-
igneous rocks
-
carbonatites (1)
-
granophyre (1)
-
plutonic rocks
-
anorthosite (2)
-
diabase (7)
-
diorites
-
trondhjemite (2)
-
-
gabbros (6)
-
granites
-
charnockite (1)
-
leucogranite (1)
-
two-mica granite (1)
-
-
granodiorites (3)
-
pegmatite (10)
-
ultramafics
-
chromitite (1)
-
peridotites
-
dunite (3)
-
harzburgite (1)
-
lherzolite (1)
-
-
pyroxenite
-
websterite (1)
-
-
-
-
porphyry (1)
-
volcanic rocks
-
basalts
-
flood basalts (1)
-
tholeiite (1)
-
-
pyroclastics
-
tuff (3)
-
-
rhyolites (3)
-
-
-
ophiolite (13)
-
volcanic ash (3)
-
-
metamorphic rocks
-
K-bentonite (6)
-
metabentonite (3)
-
metamorphic rocks
-
amphibolites (6)
-
gneisses
-
augen gneiss (2)
-
biotite gneiss (1)
-
orthogneiss (3)
-
-
granulites (3)
-
impactites (3)
-
marbles (9)
-
metaigneous rocks
-
metabasalt (2)
-
metagabbro (1)
-
metagranite (1)
-
metarhyolite (1)
-
serpentinite (8)
-
-
metaplutonic rocks (1)
-
metasedimentary rocks
-
metaconglomerate (1)
-
metapelite (3)
-
metasandstone (1)
-
-
metasomatic rocks
-
serpentinite (8)
-
skarn (1)
-
-
metavolcanic rocks (6)
-
migmatites (1)
-
mylonites
-
pseudotachylite (1)
-
ultramylonite (1)
-
-
phyllites (3)
-
quartzites
-
ferruginous quartzite (1)
-
-
schists
-
blueschist (1)
-
-
slates (4)
-
-
ophiolite (13)
-
turbidite (9)
-
-
minerals
-
amosite (1)
-
carbonates
-
ankerite (1)
-
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rutile (2)
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pyroxene group
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orthopyroxene
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hypersthene (1)
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rhodonite group
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framework silicates
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feldspar group
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alkali feldspar
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K-feldspar (3)
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plagioclase
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silica minerals
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zeolite group
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orthosilicates
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zircon group
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zircon (26)
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sorosilicates
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epidote group
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ring silicates
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illite (4)
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Primary terms
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Africa
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carbon
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Cenozoic
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Tertiary
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Neogene
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Cohansey Formation (2)
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Miocene
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Calvert Formation (25)
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lower Miocene
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middle Miocene
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Choptank Formation (17)
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Pungo River Formation (1)
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upper Miocene
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Eastover Formation (7)
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Tortonian (2)
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Pliocene
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upper Pliocene
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Chowan River Formation (4)
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Yorktown Formation (7)
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Paleogene
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Eocene
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Castle Hayne Limestone (1)
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lower Eocene
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Aquia Formation (14)
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middle Eocene
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Carrizo Sand (1)
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Nanjemoy Formation (11)
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upper Eocene
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Piney Point Formation (5)
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Oligocene
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Paleocene
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Danian (2)
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upper Paleocene
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Landenian (1)
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Paleocene-Eocene Thermal Maximum (6)
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upper Tertiary (2)
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upper Cenozoic
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Chesapeake Group (16)
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Central America
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Chortis Block (1)
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-