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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
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West Africa
-
Nigeria
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Niger Delta (2)
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Altiplano (3)
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Animas River basin (1)
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Antarctica
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Antarctic ice sheet (1)
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Arctic region
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Greenland
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Greenland ice sheet (1)
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West Greenland (1)
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Asia
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Arabian Peninsula
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Oman (1)
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Far East
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China
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Xizang China (1)
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Indonesia (1)
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Himalayas (3)
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Indian Peninsula
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Bhutan (1)
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India
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Nepal (2)
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Karakoram (1)
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Middle East
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Siwalik Range (1)
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Tibetan Plateau (2)
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Tien Shan (2)
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Atlantic Ocean
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North Atlantic
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Gulf of Mexico (2)
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Hudson Bay (1)
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North Sea (1)
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Australasia
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Australia
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New South Wales Australia (1)
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Otway Basin (1)
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Victoria Australia
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Gippsland Basin (1)
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-
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New Zealand
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Taupo volcanic zone (1)
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Papua New Guinea (1)
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Bald Mountain (4)
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Bear Lake (3)
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Bear Mountain (1)
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Bear River basin (5)
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Bear River Range (4)
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Bell Creek Field (1)
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Black Hills (11)
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Black Mesa Basin (1)
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Black Mountain (1)
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Blue Mountains (1)
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Border Ranges Fault (1)
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Bow River valley (4)
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Caballo Mountains (1)
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Cache Valley (1)
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Caledonides (1)
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Canada
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Arctic Archipelago (3)
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Cassiar Mountains (2)
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Eastern Canada
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Newfoundland and Labrador
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Newfoundland
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Burin Peninsula (1)
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Hudson Bay (1)
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Mackenzie Mountains (5)
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North Saskatchewan River (1)
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Nunavut
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Ellesmere Island (1)
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Sverdrup Basin (1)
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Queen Elizabeth Islands
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Ellesmere Island (1)
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Sverdrup Basin (1)
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Stikinia Terrane (2)
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Western Canada
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Alberta
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Alberta Basin (6)
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Athabasca Glacier (1)
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Athabasca River (1)
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Banff Alberta (2)
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Banff National Park (9)
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Calgary Alberta (4)
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Edmonton Alberta (1)
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Jasper National Park (11)
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Leduc Alberta (1)
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Medicine Hat Alberta (1)
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Peace River Arch (5)
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Smoky River (1)
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British Columbia
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Bowser Basin (1)
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Cariboo Mountains (8)
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Dogtooth Mountains (2)
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Esplanade Range (6)
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Fernie Basin (1)
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Kimberley British Columbia (1)
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Omineca Mountains (3)
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Revelstoke British Columbia (1)
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Skeena Mountains (1)
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Sustut Basin (1)
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Vancouver Island (1)
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Canadian Cordillera (69)
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Canadian Rocky Mountains
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Esplanade Range (6)
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Crowsnest Pass (6)
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Manitoba (2)
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Northwest Territories
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Great Slave Lake (1)
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Pine Point mining district (2)
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Red Deer River (1)
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Saskatchewan (5)
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Saskatchewan River (1)
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Yukon Territory (5)
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Caribbean region
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West Indies
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Bahamas (1)
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Caribbean Mountain Range (1)
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Cascade Range (8)
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Cascadia subduction zone (1)
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Casper Mountain (3)
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Chama Basin (1)
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Clark Fork (1)
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Clear Creek (2)
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Clearwater River (2)
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Coast Ranges (1)
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Colorado River (6)
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Colorado River basin (2)
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Columbia ice field (1)
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Columbia River (2)
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Columbia River basin (1)
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Commonwealth of Independent States
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Caucasus (1)
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Russian Federation
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Timan-Pechora region (1)
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Copper Mountain (2)
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Crazy Mountains (5)
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Death Valley (1)
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East Pacific Ocean Islands
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Galapagos Islands (1)
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Elk River (1)
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Equity Mine (1)
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Espanola Basin (2)
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Europe
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Alps
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French Alps (1)
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North Austrian Alps (1)
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Swiss Alps (4)
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Western Alps
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Mont Blanc (1)
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Savoy Alps (1)
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Carpathians
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Eastern Carpathians (1)
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Caucasus (1)
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Central Europe
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Austria
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North Austrian Alps (1)
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Switzerland
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Glarus Switzerland (1)
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Swiss Alps (4)
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Valais Switzerland
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Haut Glacier d'Arolla (1)
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Vienna Basin (1)
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Jura Mountains (1)
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Pyrenees
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Spanish Pyrenees (1)
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Southern Europe
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Greece
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Iberian Peninsula
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Spain
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Cantabrian Mountains (1)
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Spanish Pyrenees (1)
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Italy
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Apennines
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Central Apennines (1)
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Timan-Pechora region (1)
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Variscides (1)
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Western Europe
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France
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French Alps (1)
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Haute-Savoie France
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Savoy Alps (1)
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Iceland (1)
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Meuse River (1)
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Netherlands (2)
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Scandinavia
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Norway (1)
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Sweden (1)
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United Kingdom
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Great Britain
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Scotland (1)
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Fairview Peak (1)
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Fraser River (1)
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Front Range (71)
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Grand Canyon (3)
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Granite Mountains (8)
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Green River (3)
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Green River basin (28)
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Guadalupe Mountains (1)
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Gulf of Mexico Basin (1)
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Iron Mountain (3)
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Lake George (1)
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Lake Louise (3)
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Lewis thrust fault (6)
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Madison Range (11)
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Magdalena Mountains (1)
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Mammoth Cave (1)
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Marathon Basin (2)
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Maverick Basin (1)
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Medicine Lake (1)
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Mexico
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Chihuahua Mexico (1)
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Sierra Madre Occidental (1)
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Sonora Mexico (2)
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Veracruz Mexico (1)
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Mill Creek (1)
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Mosquito Range (4)
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North America
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Appalachian Basin (2)
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Appalachians
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Central Appalachians (1)
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Cumberland Plateau (1)
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Valley and Ridge Province (2)
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Basin and Range Province
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Great Basin (12)
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Belt Basin (7)
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Canadian Shield
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Churchill Province
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Hearne Province (3)
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-
Grenville Province (1)
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Slave Province (1)
-
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Coast plutonic complex (1)
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Denali Fault (1)
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Disturbed Belt (2)
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Glacier National Park (5)
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Great Lakes
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Lake Superior (1)
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-
Great Plains
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Northern Great Plains (5)
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Southern Great Plains (3)
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Gulf Coastal Plain (4)
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Intermontane Belt (1)
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Keweenawan Rift (1)
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Kootenay Arc (3)
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Lake of the Woods (1)
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North American Cordillera
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Canadian Cordillera (69)
-
-
North American Craton (5)
-
Okanogan Range (1)
-
Omineca Belt (13)
-
Pedregosa Basin (3)
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Purcell Mountains (10)
-
Rio Grande Rift (29)
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Rocky Mountain Trench (20)
-
Rocky Mountains
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Canadian Rocky Mountains
-
Esplanade Range (6)
-
-
Central Rocky Mountains (22)
-
Northern Rocky Mountains (92)
-
Selkirk Mountains
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Esplanade Range (6)
-
-
Southern Rocky Mountains (72)
-
U. S. Rocky Mountains
-
Absaroka Range
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Beartooth Mountains (55)
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-
Big Belt Mountains (5)
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Bighorn Mountains (81)
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Bitterroot Range
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Beaverhead Mountains (13)
-
-
Bridger Range (12)
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Flint Creek Range (4)
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Gore Range (3)
-
Gravelly Range (2)
-
Laramie Mountains (40)
-
Little Belt Mountains (13)
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Medicine Bow Mountains (47)
-
Owl Creek Mountains (18)
-
San Juan Mountains
-
Creede Caldera (6)
-
-
Sangre de Cristo Mountains (60)
-
Sawatch Range
-
Mount Antero (2)
-
-
Spanish Peaks (10)
-
Tendoy Range (4)
-
Tobacco Root Mountains (18)
-
Uinta Mountains (53)
-
Wasatch Range (59)
-
Wet Mountains (28)
-
Wind River Range (75)
-
-
-
Rocky Mountains foreland (45)
-
Shuswap Complex (7)
-
Slide Mountain Terrane (1)
-
Sonoran Desert (1)
-
Sweetgrass Arch (2)
-
Tintina Fault (2)
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Transcontinental Arch (3)
-
Western Canada Sedimentary Basin (13)
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Western Interior
-
Western Interior Seaway (5)
-
-
Western Overthrust Belt (18)
-
Williston Basin (12)
-
Yukon-Tanana Terrane (1)
-
-
North Island (1)
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North Slope (2)
-
Pacific Ocean
-
North Pacific
-
Northwest Pacific
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Okhotsk Sea (1)
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Shatsky Rise (1)
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-
-
West Pacific
-
Northwest Pacific
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Okhotsk Sea (1)
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Shatsky Rise (1)
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-
-
-
Pacific region (1)
-
Papuan fold belt (1)
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Peace River (3)
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Permian Basin (1)
-
Pikes Peak (1)
-
Pine Mountain Fault (1)
-
Pioneer Mountains (5)
-
Platte River (1)
-
Platte River basin (1)
-
polar regions (1)
-
Puna (2)
-
Quesnel Lake (2)
-
Quesnellia Terrane (2)
-
Rangely Field (1)
-
Raton Basin (11)
-
Rattlesnake Mountain (1)
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Red Mountain (2)
-
Red Sea region (1)
-
Rio Grande (1)
-
Rio Grande Valley (1)
-
Ruby Mountains (1)
-
Ruby Range (7)
-
Sacramento River (1)
-
Salmon River (1)
-
San Andres Mountains (2)
-
San Juan Basin (13)
-
San Juan mining district (1)
-
San Luis Valley (7)
-
Sand Wash Basin (2)
-
Sawtooth Range (1)
-
Searles Lake (1)
-
Sierra Blanca (2)
-
Sierra Madre (4)
-
Sierra Nevada (8)
-
Silo Field (1)
-
Snake River (2)
-
South America
-
Andes
-
Central Andes (1)
-
Eastern Cordillera (1)
-
-
Argentina
-
Pampean Mountains (1)
-
-
Brazil (1)
-
Chile
-
Antofagasta Chile
-
Chuquicamata Chile (1)
-
-
-
Colombia
-
Magdalena River (1)
-
-
Venezuela
-
Lake Maracaibo (2)
-
-
-
Southern Alps (1)
-
Southern Ocean
-
Ross Sea
-
McMurdo Sound (1)
-
-
-
Sullivan Mine (1)
-
Summitville Mine (1)
-
Sunnyside Mine (1)
-
Sydney Basin (1)
-
Taranaki Basin (1)
-
Twin Lakes (1)
-
United States
-
Absaroka Fault (3)
-
Alaska
-
Brooks Range (1)
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Redoubt (1)
-
-
Albuquerque Basin (1)
-
Anadarko Basin (2)
-
Ardmore Basin (1)
-
Arizona
-
Apache County Arizona (1)
-
Cochise County Arizona (2)
-
La Paz County Arizona (1)
-
Maricopa County Arizona (2)
-
Mogollon Rim (1)
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Rincon Mountains (3)
-
-
Arkansas River valley (5)
-
Atlantic Coastal Plain (1)
-
Bighorn Basin (30)
-
Book Cliffs (3)
-
California
-
Los Angeles County California
-
Los Angeles California
-
Northridge California (1)
-
-
-
Mono County California
-
Long Valley Caldera (1)
-
-
Sierra Nevada Batholith (1)
-
Southern California (4)
-
Tehachapi Mountains (1)
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Transverse Ranges (1)
-
-
Central Basin Platform (3)
-
Chesapeake Bay (1)
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Cheyenne Belt (19)
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Cincinnati Arch (1)
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Clark's Fork Basin (2)
-
Colorado
-
Adams County Colorado
-
Rocky Mountain Arsenal (1)
-
-
Alamosa County Colorado (3)
-
Archuleta County Colorado (4)
-
Baca County Colorado (1)
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Boulder County Colorado
-
Boulder Colorado (1)
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Chaffee County Colorado
-
Mount Antero (2)
-
Salida Colorado (3)
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-
Clear Creek County Colorado (4)
-
Colorado mineral belt (6)
-
Conejos County Colorado (4)
-
Costilla County Colorado (3)
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Custer County Colorado (9)
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Delta County Colorado (1)
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Denver County Colorado
-
Denver Colorado (1)
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Dolores County Colorado (1)
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Douglas County Colorado (2)
-
Eagle County Colorado (3)
-
El Paso County Colorado (4)
-
Elbert County Colorado (1)
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Fremont County Colorado
-
Canon City Colorado (4)
-
-
Front Range urban corridor (1)
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Garfield County Colorado (3)
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Gilpin County Colorado (4)
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Gore Range (3)
-
Grand County Colorado (6)
-
Gunnison County Colorado
-
Crested Butte Colorado (1)
-
-
Gunnison River (2)
-
Hinsdale County Colorado (12)
-
Huerfano County Colorado (8)
-
Jackson County Colorado (4)
-
Jefferson County Colorado (5)
-
La Plata County Colorado (6)
-
Lake County Colorado
-
Leadville Colorado (1)
-
Saint Kevin Gulch (1)
-
-
Larimer County Colorado (8)
-
Las Animas County Colorado (5)
-
Mesa County Colorado (5)
-
Mineral County Colorado
-
Creede Caldera (6)
-
Creede Colorado (2)
-
Creede mining district (12)
-
-
Moffat County Colorado (6)
-
Montezuma County Colorado (1)
-
Needle Mountains (7)
-
Ouray County Colorado (8)
-
Park County Colorado (5)
-
Piceance Basin (2)
-
Pikes Peak Batholith (1)
-
Pitkin County Colorado (6)
-
Pueblo County Colorado
-
Pueblo Colorado (1)
-
-
Rio Blanco County Colorado
-
Rangely Colorado (1)
-
-
Rio Grande County Colorado (5)
-
Rocky Mountain National Park (2)
-
Routt County Colorado (3)
-
Saguache County Colorado (10)
-
San Juan County Colorado
-
Silverton Caldera (6)
-
-
San Juan volcanic field (17)
-
San Miguel County Colorado (7)
-
Sawatch Range
-
Mount Antero (2)
-
-
Summit County Colorado (1)
-
Teller County Colorado
-
Cripple Creek Colorado (2)
-
-
Wattenberg Field (1)
-
Wet Mountains (28)
-
White River Plateau (3)
-
Yampa River (1)
-
-
Colorado Lineament (1)
-
Colorado Plateau (46)
-
Columbia Plateau (2)
-
Connecticut (1)
-
Delaware Basin (3)
-
Denver Basin (23)
-
Dinosaur National Monument (1)
-
Eastern U.S.
-
Northeastern U.S. (1)
-
-
Four Corners (4)
-
Gallatin Range (1)
-
Great Basin (12)
-
Hardeman Basin (1)
-
Hugoton Embayment (1)
-
Idaho
-
Blaine County Idaho (3)
-
Bonner County Idaho (3)
-
Boundary County Idaho (3)
-
Butte County Idaho (4)
-
Caribou County Idaho (1)
-
Clark County Idaho (2)
-
Clearwater County Idaho (2)
-
Custer County Idaho
-
Borah Peak (1)
-
-
Elmore County Idaho (1)
-
Fremont County Idaho (1)
-
Idaho County Idaho (7)
-
Idaho National Laboratory (1)
-
Lemhi County Idaho (8)
-
Lemhi Range (11)
-
Lost River Fault (1)
-
Lost River Range
-
Borah Peak (1)
-
-
Nez Perce County Idaho (1)
-
Shoshone County Idaho (2)
-
Snake River plain (7)
-
Valley County Idaho (1)
-
Washington County Idaho (1)
-
-
Idaho Batholith (8)
-
Iowa
-
Carroll County Iowa (1)
-
-
Kansas
-
Riley County Kansas (1)
-
-
Kentucky
-
Edmonson County Kentucky (1)
-
-
Klamath Mountains (1)
-
Lewis and Clark Lineament (5)
-
Llano Estacado (2)
-
Louisiana (3)
-
Midcontinent (6)
-
Midwest (2)
-
Minnesota (2)
-
Mississippi Delta (3)
-
Mississippi Embayment (1)
-
Mississippi Valley (2)
-
Missouri (1)
-
Mojave Desert (3)
-
Montana
-
Beaverhead County Montana
-
Tendoy Range (4)
-
-
Big Belt Mountains (5)
-
Big Snowy Mountains (2)
-
Boulder Batholith (4)
-
Bridger Range (12)
-
Broadwater County Montana (2)
-
Carbon County Montana (9)
-
Cascade County Montana (5)
-
Crazy Mountains Basin (1)
-
Deer Lodge County Montana (5)
-
Flathead County Montana (9)
-
Flint Creek Range (4)
-
Gallatin County Montana (15)
-
Glacier County Montana (7)
-
Granite County Montana (8)
-
Gravelly Range (2)
-
Jefferson County Montana (6)
-
Judith Basin County Montana (1)
-
Lewis and Clark County Montana
-
Helena Montana (1)
-
-
Lincoln County Montana (5)
-
Little Belt Mountains (13)
-
Madison County Montana
-
Tobacco Root Mountains (18)
-
-
Meagher County Montana (4)
-
Mineral County Montana (4)
-
Missoula County Montana (9)
-
Park County Montana (7)
-
Pondera County Montana (1)
-
Powder River County Montana (1)
-
Powell County Montana (4)
-
Ravalli County Montana (11)
-
Sanders County Montana (4)
-
Silver Bow County Montana (7)
-
Stillwater County Montana (3)
-
Sweet Grass County Montana (4)
-
Teton County Montana (2)
-
-
Moxa Arch (3)
-
Mullen Creek-Nash Fork shear zone (2)
-
Nebraska
-
Cheyenne County Nebraska (1)
-
Deuel County Nebraska (1)
-
Garden County Nebraska (1)
-
Kimball County Nebraska (1)
-
-
Nevada
-
Clark County Nevada
-
Las Vegas Nevada (1)
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-
Elko County Nevada
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Independence Mountains (1)
-
-
Lander County Nevada (1)
-
Lincoln County Nevada (1)
-
Pershing County Nevada
-
Humboldt Range (1)
-
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Roberts Mountains Allochthon (3)
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Shoshone Mountains (1)
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White Pine County Nevada (2)
-
-
New England (1)
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New Madrid region (2)
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New Mexico
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Bernalillo County New Mexico (2)
-
Catron County New Mexico (2)
-
Colfax County New Mexico (2)
-
Datil-Mogollon volcanic field (2)
-
Dona Ana County New Mexico (1)
-
Grant County New Mexico (1)
-
Hidalgo County New Mexico (1)
-
Jemez Lineament (2)
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Jemez Mountains (1)
-
Lincoln County New Mexico (2)
-
Luna County New Mexico
-
Florida Mountains (1)
-
-
Manzano Mountains (1)
-
Mora County New Mexico (2)
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Otero County New Mexico (1)
-
Picuris Range (7)
-
Rio Arriba County New Mexico
-
Nacimiento Mountains (3)
-
-
San Juan County New Mexico (1)
-
San Miguel County New Mexico (2)
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Sandia Mountains (2)
-
Sandoval County New Mexico (2)
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Santa Fe County New Mexico
-
Santa Fe New Mexico (2)
-
-
Sierra County New Mexico (2)
-
Socorro County New Mexico
-
Socorro New Mexico (2)
-
-
Taos County New Mexico
-
Questa Caldera (2)
-
Questa Mine (3)
-
-
Taos Plateau (6)
-
Torrance County New Mexico (1)
-
Tusas Mountains (5)
-
Valencia County New Mexico (2)
-
-
New York
-
Adirondack Mountains (3)
-
Franklin County New York (1)
-
-
North Carolina (1)
-
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Ohio (1)
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-
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-
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West Texas (1)
-
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U. S. Rocky Mountains
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Beartooth Mountains (55)
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Big Belt Mountains (5)
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Sangre de Cristo Mountains (60)
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Spanish Peaks (10)
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Tobacco Root Mountains (18)
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Uinta Mountains (53)
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Wasatch Range (59)
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Uinta Basin (13)
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Box Elder County Utah (1)
-
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-
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Rich County Utah (1)
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-
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Tooele County Utah
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-
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Uintah County Utah (1)
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Utah County Utah
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Vermont (1)
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Converse County Wyoming (4)
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Fremont County Wyoming (36)
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Great Divide Basin (2)
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Heart Mountain Fault (2)
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Hot Springs County Wyoming (4)
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Laramie County Wyoming (9)
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Lincoln County Wyoming (2)
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Lost Soldier Field (2)
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Park County Wyoming (16)
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Sweetwater County Wyoming (10)
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Teton National Forest (1)
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Wyoming Province (35)
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base metals (12)
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mineral deposits, genesis (83)
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placers (4)
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tight sands (1)
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water resources (4)
-
-
elements, isotopes
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carbon
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C-13/C-12 (36)
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C-14 (28)
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organic carbon (13)
-
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chemical ratios (3)
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halogens
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bromine (1)
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Cl-36 (2)
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fluorine (2)
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hydrogen
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D/H (20)
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deuterium (11)
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tritium (3)
-
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isotope ratios (79)
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isotopes
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radioactive isotopes
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Al-26 (1)
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Be-10 (12)
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C-14 (28)
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Cl-36 (2)
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Pb-204 (1)
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Pb-206/Pb-204 (9)
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Pb-207/Pb-204 (6)
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Pb-208/Pb-204 (5)
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Sm-147/Nd-144 (3)
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Th-232 (1)
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tritium (3)
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U-235 (1)
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U-238 (1)
-
-
stable isotopes
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Ar-36 (1)
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C-13/C-12 (36)
-
D/H (20)
-
deuterium (11)
-
He-3 (1)
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He-4/He-3 (1)
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Hf-177/Hf-176 (3)
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Kr-84 (1)
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N-15/N-14 (1)
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Nd-144/Nd-143 (15)
-
Ne-20 (1)
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Ne-21 (1)
-
O-18/O-16 (54)
-
Pb-206 (1)
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Pb-206/Pb-204 (9)
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Pb-207 (1)
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Pb-207/Pb-204 (6)
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Pb-207/Pb-206 (4)
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Pb-208 (1)
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Pb-208/Pb-204 (5)
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Pb-208/Pb-206 (1)
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S-34/S-32 (11)
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Sm-147/Nd-144 (3)
-
Sr-87/Sr-86 (28)
-
-
-
Lu/Hf (4)
-
metals
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actinides
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thorium
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Th-232 (1)
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uranium
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U-235 (1)
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-
-
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alkali metals
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potassium (7)
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rubidium (1)
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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 (12)
-
-
calcium (5)
-
magnesium (7)
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radium (1)
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strontium
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Sr-87/Sr-86 (28)
-
-
-
aluminum
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Al-26 (1)
-
-
cadmium (1)
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chromium (1)
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copper (2)
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gold (2)
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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 (1)
-
ferrous iron (1)
-
-
lead
-
Pb-204 (1)
-
Pb-206 (1)
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Pb-206/Pb-204 (9)
-
Pb-207 (1)
-
Pb-207/Pb-204 (6)
-
Pb-207/Pb-206 (4)
-
Pb-208 (1)
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Pb-208/Pb-204 (5)
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Pb-208/Pb-206 (1)
-
-
manganese (3)
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platinum group
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iridium (1)
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platinum ores (4)
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precious metals (4)
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rare earths
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cerium (1)
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lanthanum (2)
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lutetium (1)
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neodymium
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Nd-144/Nd-143 (15)
-
Sm-147/Nd-144 (3)
-
-
samarium
-
Sm-147/Nd-144 (3)
-
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ytterbium (3)
-
-
silver (1)
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titanium (1)
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vanadium (2)
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zinc (4)
-
-
nitrogen
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N-15/N-14 (1)
-
-
noble gases
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argon
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Ar-36 (1)
-
-
helium
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He-3 (1)
-
He-4/He-3 (1)
-
-
krypton
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Kr-84 (1)
-
-
neon
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Ne-20 (1)
-
Ne-21 (1)
-
-
-
oxygen
-
dissolved oxygen (1)
-
O-18/O-16 (54)
-
-
short-lived isotopes (1)
-
sulfur
-
S-34/S-32 (11)
-
-
-
fossils
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bacteria (1)
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burrows (5)
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Chordata
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Vertebrata
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Agnatha
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Osteostraci (1)
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Pisces
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Chondrichthyes
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Osteichthyes
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Placodermi (1)
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Tetrapoda
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Aves (1)
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Mammalia
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Multituberculata (4)
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Theria
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Eutheria
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Artiodactyla
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Ruminantia
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Tylopoda (1)
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-
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Carnivora (2)
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Condylarthra (1)
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Insectivora
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Proteutheria (1)
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Lagomorpha
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Leporidae (1)
-
-
Perissodactyla
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Hippomorpha
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Equidae
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Equus (1)
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-
-
-
Primates (2)
-
Rodentia
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Myomorpha
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Arvicolidae (1)
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-
-
Ungulata (1)
-
-
-
-
Reptilia
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Anapsida
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Testudines (1)
-
-
Diapsida
-
Archosauria
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dinosaurs
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Ornithischia
-
Ankylosauria (1)
-
Ceratopsia
-
Ceratopsidae
-
Triceratops (1)
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-
-
Stegosaurus (1)
-
-
-
Thecodontia (1)
-
-
-
-
-
-
-
Cloudina (1)
-
cyanobacteria (3)
-
eukaryotes (1)
-
ichnofossils
-
Ophiomorpha
-
Ophiomorpha nodosa (1)
-
-
Rhizocorallium (1)
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Skolithos (1)
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Thalassinoides (1)
-
-
Invertebrata
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Arthropoda
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Chelicerata
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Merostomata
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Eurypterida (1)
-
-
-
Mandibulata
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Crustacea
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Branchiopoda (2)
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Malacostraca (1)
-
Ostracoda (5)
-
-
Insecta
-
Pterygota
-
Neoptera
-
Endopterygota
-
Coleoptera (1)
-
-
-
-
-
-
Trilobitomorpha
-
Trilobita
-
Ptychopariida (2)
-
Redlichiida (1)
-
-
-
-
Brachiopoda
-
Articulata
-
Pentamerida (1)
-
Strophomenida (1)
-
-
-
Bryozoa
-
Cryptostomata
-
Fenestellidae (1)
-
Rhabdomesidae (1)
-
-
-
Cnidaria
-
Anthozoa
-
Zoantharia
-
Rugosa (1)
-
Tabulata (1)
-
-
-
Hydrozoa (1)
-
-
Echinodermata
-
Crinozoa
-
Crinoidea (3)
-
-
Homalozoa
-
Stylophora (1)
-
-
-
Mollusca
-
Bivalvia
-
Ostreoidea
-
Ostreidae
-
Ostrea (1)
-
-
-
Palaeoheterodonta
-
Unionidae (2)
-
-
-
Cephalopoda
-
Ammonoidea
-
Ammonites (2)
-
-
-
Gastropoda (3)
-
-
Porifera
-
Hexactinellida (1)
-
Stromatoporoidea
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Amphipora (1)
-
-
-
Protista
-
Foraminifera
-
Fusulinina
-
Endothyra (1)
-
Fusulinidae (4)
-
-
-
-
Vermes
-
Annelida (1)
-
-
-
Metazoa (3)
-
microfossils
-
Charophyta (1)
-
Conodonta (28)
-
Fusulinina
-
Endothyra (1)
-
Fusulinidae (4)
-
-
problematic microfossils (1)
-
-
palynomorphs
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acritarchs (2)
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megaspores (1)
-
miospores
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Classopollis (1)
-
pollen (9)
-
-
-
Plantae
-
algae
-
Chlorophyta
-
Charophyta (1)
-
-
Coccolithophoraceae (1)
-
diatoms (4)
-
-
Bryophyta (2)
-
Spermatophyta
-
Angiospermae
-
Dicotyledoneae
-
Artemisia (1)
-
-
-
Gymnospermae
-
Coniferales
-
Picea (1)
-
Pinaceae
-
Abies (1)
-
Pinus (1)
-
-
Taxodiaceae
-
Metasequoia (1)
-
-
-
-
-
-
problematic fossils
-
problematic microfossils (1)
-
-
thallophytes (2)
-
tracks (2)
-
-
geochronology methods
-
(U-Th)/He (13)
-
Ar/Ar (58)
-
exposure age (8)
-
fission-track dating (12)
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He/He (1)
-
K/Ar (27)
-
lichenometry (5)
-
Lu/Hf (4)
-
Nd/Nd (2)
-
optically stimulated luminescence (2)
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paleomagnetism (49)
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Pb/Pb (11)
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racemization (1)
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radiation damage (1)
-
Rb/Sr (26)
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Re/Os (1)
-
Sm/Nd (6)
-
tephrochronology (8)
-
Th/Th (1)
-
Th/U (8)
-
thermochronology (23)
-
tree rings (5)
-
U/Pb (103)
-
U/Th/Pb (6)
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uranium disequilibrium (2)
-
-
geologic age
-
Cenozoic
-
lower Cenozoic (1)
-
middle Cenozoic (2)
-
Quaternary
-
Cordilleran ice sheet (5)
-
Holocene
-
lower Holocene (3)
-
Medieval Warm Period (1)
-
middle Holocene (2)
-
Neoglacial (8)
-
upper Holocene (8)
-
-
Mazama Ash (1)
-
Pleistocene
-
Blackwater Draw Formation (2)
-
Illinoian (2)
-
Lake Lahontan (1)
-
upper Pleistocene
-
Weichselian
-
upper Weichselian
-
Allerod (1)
-
Younger Dryas (7)
-
-
-
Wisconsinan
-
lower Wisconsinan (1)
-
upper Wisconsinan
-
Fraser Glaciation (1)
-
-
-
-
-
upper Quaternary
-
Bull Lake Glaciation (5)
-
Pinedale Glaciation (4)
-
-
-
Tertiary
-
Arikaree Group (1)
-
Challis Volcanics (3)
-
lower Tertiary (9)
-
middle Tertiary (7)
-
Neogene
-
Bidahochi Formation (2)
-
Browns Park Formation (5)
-
Miocene
-
Ash Hollow Formation (2)
-
Barstovian (1)
-
lower Miocene
-
Hemingfordian (1)
-
-
middle Miocene (1)
-
upper Miocene (6)
-
-
Ogallala Formation (7)
-
Pliocene
-
upper Pliocene (1)
-
-
Tesuque Formation (1)
-
-
Paleogene
-
Chadron Formation (1)
-
Duchesne River Formation (2)
-
Eocene
-
Absaroka Supergroup (5)
-
Green River Formation (8)
-
Lake Gosiute (2)
-
Lake Uinta (1)
-
lower Eocene
-
Wasatchian (1)
-
Willwood Formation (4)
-
Wind River Formation (2)
-
Ypresian (1)
-
-
middle Eocene
-
Aycross Formation (3)
-
Carrizo Sand (1)
-
Claiborne Group (1)
-
-
upper Eocene
-
Chadronian (2)
-
Uinta Formation (2)
-
-
-
Hanna Formation (6)
-
lower Paleogene (3)
-
Oligocene
-
Creede Formation (3)
-
Fish Canyon Tuff (4)
-
lower Oligocene (3)
-
upper Oligocene (1)
-
-
Paleocene
-
lower Paleocene
-
Danian (2)
-
K-T boundary (5)
-
Puercan (6)
-
Torrejonian (3)
-
-
Ludlow Member (2)
-
middle Paleocene (1)
-
Sentinel Butte Formation (1)
-
Tullock Member (2)
-
upper Paleocene
-
Clarkforkian (1)
-
Tiffanian (6)
-
-
-
Paleocene-Eocene Thermal Maximum (3)
-
Renova Formation (2)
-
upper Paleogene (2)
-
Wasatch Formation (8)
-
White River Group (6)
-
Wilcox Group (1)
-
-
upper Tertiary (1)
-
-
upper Cenozoic (7)
-
-
Lake Bonneville (7)
-
Laurentide ice sheet (5)
-
Mesozoic
-
Bisbee Group (1)
-
Carrara Marble (1)
-
Cretaceous
-
Blairmore Group (7)
-
Colorado Group (2)
-
Comanchean
-
Fredericksburg Group (1)
-
-
Dakota Formation (6)
-
Lower Cretaceous
-
Albian
-
lower Albian (1)
-
-
Aptian (2)
-
Barremian (1)
-
Bear River Formation (1)
-
Berriasian (1)
-
Blackleaf Formation (1)
-
Bluesky Formation (1)
-
Cadomin Formation (3)
-
Cedar Mountain Formation (1)
-
Cloverly Formation (3)
-
Fredericksburg Group (1)
-
Gething Formation (2)
-
Kootenay Formation (3)
-
Lakota Formation (1)
-
Mannville Group (1)
-
Moosebar Formation (1)
-
Mowry Shale (8)
-
Muddy Sandstone (5)
-
Skull Creek Shale (3)
-
Spirit River Formation (1)
-
-
Mancos Shale (5)
-
Middle Cretaceous (3)
-
Upper Cretaceous
-
Almond Formation (4)
-
Bearpaw Formation (1)
-
Belly River Formation (1)
-
Campanian
-
lower Campanian (1)
-
-
Cardium Formation (3)
-
Carlile Shale (1)
-
Castlegate Sandstone (1)
-
Cenomanian
-
Dunvegan Formation (1)
-
-
Codell Sandstone Member (1)
-
Cody Shale (1)
-
Coniacian (1)
-
Ferron Sandstone Member (1)
-
Fort Hays Limestone Member (1)
-
Fox Hills Formation (1)
-
Frontier Formation (7)
-
Fruitland Formation (2)
-
Gammon Ferruginous Member (1)
-
Gulfian
-
Eagle Ford Formation (4)
-
-
Hell Creek Formation (5)
-
Judith River Formation (1)
-
Kirtland Shale (1)
-
K-T boundary (5)
-
Lance Formation (4)
-
Laramie Formation (1)
-
Lewis Shale (4)
-
Maestrichtian (10)
-
Mesaverde Group (12)
-
Montana Group (1)
-
Niobrara Formation (5)
-
Ojo Alamo Sandstone (1)
-
Parkman Sandstone (2)
-
Pierre Shale (7)
-
Rock Springs Formation (1)
-
Saint Mary River Formation (2)
-
Senonian (15)
-
Shannon Sandstone Member (1)
-
Sharon Springs Member (2)
-
Smoky Hill Chalk Member (1)
-
Sussex Sandstone Member (1)
-
Tuolumne Intrusive Suite (1)
-
Turonian
-
upper Turonian (1)
-
-
Two Medicine Formation (3)
-
Williams Fork Formation (1)
-
-
-
Franciscan Complex (1)
-
Glen Canyon Group (1)
-
Jurassic
-
Arapien Shale (1)
-
Carmel Formation (1)
-
Coast Range Ophiolite (1)
-
Fernie Formation (10)
-
Lower Jurassic
-
Hettangian (1)
-
lower Liassic (1)
-
middle Liassic (1)
-
Nordegg Member (1)
-
Pliensbachian (2)
-
Toarcian (1)
-
upper Liassic (1)
-
-
Middle Jurassic
-
Bajocian (1)
-
Bathonian (1)
-
-
Posidonia Shale (1)
-
San Rafael Group (1)
-
Smartville Complex (1)
-
Twin Creek Limestone (2)
-
Upper Jurassic
-
Entrada Sandstone (4)
-
Haynesville Formation (1)
-
Morrison Formation (7)
-
Oxfordian (1)
-
Salt Wash Sandstone Member (1)
-
Sundance Formation (3)
-
-
-
Kayenta Formation (1)
-
lower Mesozoic (1)
-
Mist Mountain Formation (5)
-
Moenave Formation (1)
-
Navajo Sandstone (2)
-
Nugget Sandstone (2)
-
Triassic
-
Charlie Lake Formation (2)
-
Hawkesbury Sandstone (1)
-
Liard Formation (3)
-
Lower Triassic
-
Dinwoody Formation (2)
-
Griesbachian (1)
-
Permian-Triassic boundary (1)
-
Smithian (1)
-
Spathian (1)
-
Thaynes Formation (3)
-
-
Middle Triassic
-
Doig Formation (4)
-
-
Moenkopi Formation (3)
-
Montney Formation (5)
-
Upper Triassic
-
Baldonnel Formation (2)
-
Carnian (2)
-
Chinle Formation (3)
-
Norian (2)
-
Pardonet Formation (2)
-
Petrified Forest Member (1)
-
Redonda Formation (1)
-
Rhaetian (2)
-
Shinarump Member (1)
-
-
-
-
Paleozoic
-
Cambrian
-
Brigham Group (1)
-
Lower Cambrian
-
Gog Group (8)
-
-
Middle Cambrian
-
Burgess Shale (5)
-
Flathead Sandstone (7)
-
Marjum Formation (1)
-
Wheeler Formation (1)
-
-
Tintic Quartzite (1)
-
Upper Cambrian
-
Lamotte Sandstone (2)
-
Pilgrim Formation (2)
-
-
-
Carboniferous
-
Amsden Formation (2)
-
Big Snowy Group (1)
-
Lower Carboniferous
-
Dinantian (7)
-
-
Manning Canyon Shale (1)
-
Mississippian
-
Barnett Shale (1)
-
Bear Gulch Limestone Member (1)
-
Leadville Formation (2)
-
Lower Mississippian
-
Kinderhookian
-
Banff Formation (7)
-
-
Lodgepole Formation (2)
-
Osagian (2)
-
Tournaisian (2)
-
-
Madison Group (8)
-
Middle Mississippian
-
Visean (2)
-
-
Mission Canyon Limestone (3)
-
Redwall Limestone (2)
-
Upper Mississippian
-
Chesterian (3)
-
Heath Formation (1)
-
Meramecian (2)
-
-
-
Namurian (1)
-
Pennsylvanian
-
Lower Pennsylvanian
-
Morrowan (1)
-
-
Middle Pennsylvanian
-
Atokan (3)
-
Desmoinesian (4)
-
Paradox Formation (1)
-
-
Minturn Formation (5)
-
Upper Pennsylvanian
-
Missourian
-
Lansing Group (1)
-
-
Virgilian (2)
-
Wescogame Formation (1)
-
-
Watahomigi Formation (1)
-
-
Upper Carboniferous (1)
-
-
Casper Formation (2)
-
Devonian
-
Lower Devonian
-
Emsian (1)
-
Lochkovian (1)
-
Pragian (1)
-
-
Middle Devonian
-
Givetian (2)
-
Marcellus Shale (1)
-
-
Miette Complex (2)
-
Slave Point Formation (1)
-
Upper Devonian
-
Duperow Formation (1)
-
Famennian
-
Wabamun Group (1)
-
-
Frasnian
-
Leduc Formation (1)
-
-
Grosmont Formation (1)
-
Jefferson Group (4)
-
Kellwasser event (1)
-
Palliser Formation (3)
-
-
-
Exshaw Formation (7)
-
Ishbel Group (2)
-
lower Paleozoic
-
Conococheague Formation (1)
-
Penobscot Formation (1)
-
-
Madera Formation (1)
-
Maroon Formation (1)
-
middle Paleozoic (2)
-
Minnelusa Formation (5)
-
Ordovician
-
Lower Ordovician
-
Ibexian (2)
-
Manitou Formation (2)
-
Tremadocian (1)
-
-
Middle Ordovician
-
Saint Peter Sandstone (1)
-
Simpson Group (1)
-
-
Upper Ordovician
-
Ashgillian (1)
-
Bighorn Dolomite (7)
-
Cincinnatian (1)
-
Hirnantian (1)
-
Red River Formation (1)
-
-
Utica Shale (1)
-
Viola Limestone (1)
-
-
Permian
-
Coconino Sandstone (1)
-
Cutler Formation (4)
-
Guadalupian
-
Bell Canyon Formation (1)
-
Brushy Canyon Formation (1)
-
Cherry Canyon Formation (1)
-
Delaware Mountain Group (1)
-
Wordian (1)
-
-
Kaibab Formation (2)
-
Lower Permian
-
Abo Formation (1)
-
Cherry Canyon Formation (1)
-
Cisuralian
-
Kungurian (1)
-
-
Leonardian (1)
-
Wolfcampian
-
Hueco Limestone (1)
-
-
-
Lyons Sandstone (4)
-
Meade Peak Member (1)
-
Middle Permian (1)
-
Park City Formation (2)
-
Phosphoria Formation (4)
-
Ranger Canyon Formation (2)
-
Toroweap Formation (1)
-
Upper Permian
-
Lopingian (1)
-
Permian-Triassic boundary (1)
-
-
Wellington Formation (2)
-
-
Pilot Shale (2)
-
Sauk Sequence (1)
-
Silurian
-
Lower Silurian (3)
-
Upper Silurian (1)
-
-
Supai Formation (2)
-
Tensleep Sandstone (7)
-
upper Paleozoic
-
Bakken Formation (2)
-
Fountain Formation (4)
-
Wood River Formation (1)
-
-
Weber Sandstone (2)
-
-
Phanerozoic (10)
-
Precambrian
-
Archean
-
J-M Reef (2)
-
Mesoarchean (1)
-
Neoarchean (8)
-
-
Eocambrian (1)
-
Hadean (1)
-
Laramie anorthosite complex (6)
-
middle Precambrian (1)
-
Nonesuch Shale (1)
-
Prichard Formation (2)
-
Purcell System (9)
-
Sandia Granite (1)
-
Spuhler Peak Formation (1)
-
Stillwater Complex (9)
-
Twilight Gneiss (1)
-
Uinta Mountain Group (8)
-
upper Precambrian
-
Proterozoic
-
Mesoproterozoic
-
Aldridge Formation (2)
-
Belt Supergroup (24)
-
Helena Formation (1)
-
Helikian (1)
-
Missoula Group (3)
-
Newland Limestone (3)
-
Ravalli Group (1)
-
Revett Quartzite (1)
-
Wallace Formation (1)
-
-
Miette Group (13)
-
Neoproterozoic
-
Ediacaran (4)
-
Hadrynian (7)
-
Horsethief Creek Group (4)
-
Sturtian (1)
-
Tonian (1)
-
Vendian (3)
-
-
Ortega Group (3)
-
Paleoproterozoic (35)
-
Windermere System (10)
-
-
-
Vadito Group (2)
-
-
-
igneous rocks
-
igneous rocks
-
carbonatites (4)
-
granophyre (1)
-
kimberlite (3)
-
plutonic rocks
-
anorthosite (8)
-
diabase
-
quartz diabase (2)
-
-
diorites
-
quartz diorites (4)
-
tonalite (2)
-
-
gabbros
-
alkali gabbros (2)
-
norite (1)
-
troctolite (2)
-
-
granites
-
alkali granites (1)
-
aplite (3)
-
A-type granites (2)
-
biotite granite (2)
-
charnockite (1)
-
felsite (1)
-
leucogranite (4)
-
monzogranite (1)
-
muscovite granite (2)
-
rapakivi (1)
-
two-mica granite (2)
-
-
granodiorites (11)
-
lamprophyres
-
spessartite (1)
-
-
monzodiorite (2)
-
monzonites
-
mangerite (1)
-
-
pegmatite (12)
-
quartz monzonite (9)
-
syenites
-
alkali syenites (1)
-
nepheline syenite (1)
-
quartz syenite (1)
-
-
ultramafics
-
chromitite (1)
-
peridotites (1)
-
-
-
porphyry
-
vitrophyre (1)
-
-
volcanic rocks
-
adakites (1)
-
andesites
-
andesite porphyry (1)
-
-
basalts
-
alkali basalts
-
trachybasalts (2)
-
-
shoshonite (4)
-
tholeiite (2)
-
tholeiitic basalt (1)
-
-
dacites (8)
-
glasses
-
obsidian (1)
-
perlite (1)
-
volcanic glass (1)
-
-
latite (3)
-
pyroclastics
-
ash-flow tuff (5)
-
ignimbrite (15)
-
pumice (1)
-
rhyolite tuff (1)
-
tuff (16)
-
welded tuff (6)
-
-
quartz latite (1)
-
rhyodacites (1)
-
rhyolites (9)
-
trachyandesites
-
absarokite (2)
-
-
trachytes (5)
-
vitrophyre (1)
-
-
-
volcanic ash (7)
-
-
metamorphic rocks
-
metamorphic rocks
-
amphibolites
-
orthoamphibolite (1)
-
-
cataclasites (2)
-
gneisses
-
augen gneiss (1)
-
granite gneiss (7)
-
orthogneiss (4)
-
paragneiss (3)
-
-
granulites (3)
-
hornfels (1)
-
marbles (3)
-
metaigneous rocks
-
metabasalt (2)
-
metabasite (2)
-
metadiabase (8)
-
metagranite (4)
-
metapyroxenite (1)
-
metarhyolite (1)
-
serpentinite (1)
-
-
metaplutonic rocks (2)
-
metasedimentary rocks
-
meta-arkose (1)
-
metaconglomerate (2)
-
metagraywacke (2)
-
metapelite (4)
-
paragneiss (3)
-
-
metasomatic rocks
-
serpentinite (1)
-
skarn (2)
-
-
metavolcanic rocks (11)
-
migmatites
-
agmatite (1)
-
-
mylonites
-
pseudotachylite (3)
-
ultramylonite (1)
-
-
phyllites (1)
-
phyllonites (1)
-
quartzites (13)
-
schists
-
biotite schist (1)
-
blueschist (1)
-
greenstone (1)
-
-
slates (3)
-
-
turbidite (10)
-
-
minerals
-
amosite (1)
-
arsenates
-
mimetite (1)
-
-
carbonates
-
aragonite (1)
-
bastnaesite (1)
-
calcite (18)
-
cerussite (1)
-
dolomite (11)
-
ikaite (1)
-
leadhillite (1)
-
magnesite (2)
-
parisite (2)
-
rhodochrosite (1)
-
siderite (2)
-
synchysite (1)
-
-
chromates
-
hemihedrite (1)
-
-
halides
-
chlorides
-
mimetite (1)
-
-
fluorides
-
bastnaesite (1)
-
fluorite (1)
-
parisite (2)
-
synchysite (1)
-
topaz (1)
-
-
-
minerals (35)
-
native elements (1)
-
oxides
-
baddeleyite (4)
-
chromite (2)
-
corundum (1)
-
gahnite (2)
-
goethite (1)
-
hematite (2)
-
hercynite (1)
-
hydroxides
-
iron hydroxides (1)
-
-
ilmenite (3)
-
iron oxides (4)
-
magnetite (7)
-
pitchblende (1)
-
sapphire (2)
-
spinel (3)
-
spinel group (2)
-
titanium oxides (2)
-
uraninite (1)
-
-
phosphates
-
apatite (23)
-
crandallite (1)
-
monazite (12)
-
xenotime (1)
-
-
silicates
-
aluminosilicates (3)
-
asbestos (1)
-
chain silicates
-
amphibole group
-
clinoamphibole
-
actinolite (1)
-
cummingtonite (1)
-
hastingsite (2)
-
hornblende (25)
-
-
-
pyroxene group
-
clinopyroxene (3)
-
orthopyroxene (2)
-
-
-
framework silicates
-
feldspar group
-
alkali feldspar
-
adularia (2)
-
hyalophane (1)
-
K-feldspar (14)
-
microcline (2)
-
orthoclase (1)
-
sanidine (6)
-
-
barium feldspar
-
hyalophane (1)
-
-
plagioclase
-
albite (1)
-
-
-
silica minerals
-
agate (1)
-
chalcedony (2)
-
jasper (1)
-
opal
-
opal-CT (1)
-
-
quartz
-
smoky quartz (2)
-
-
-
sodalite group
-
sodalite (1)
-
-
zeolite group
-
clinoptilolite (1)
-
-
-
orthosilicates
-
nesosilicates
-
andalusite (4)
-
chloritoid (2)
-
garnet group
-
almandine (2)
-
andradite (1)
-
pyrope (1)
-
spessartine (1)
-
-
kyanite (4)
-
olivine group
-
olivine (1)
-
-
sillimanite (4)
-
staurolite (4)
-
titanite group
-
titanite (8)
-
-
topaz (1)
-
zircon group
-
coffinite (1)
-
zircon (101)
-
-
-
sorosilicates
-
epidote group
-
allanite (1)
-
clinozoisite (1)
-
epidote (2)
-
-
-
-
ring silicates
-
aquamarine (1)
-
beryl (1)
-
cordierite (2)
-
emerald (1)
-
tourmaline group (1)
-
-
sheet silicates
-
chlorite group
-
chlorite (2)
-
-
clay minerals
-
beidellite (1)
-
halloysite (1)
-
kaolinite (4)
-
smectite (11)
-
-
illite (10)
-
margarite (1)
-
mica group
-
biotite (24)
-
muscovite (15)
-
paragonite (2)
-
phlogopite (2)
-
-
pyrophyllite (1)
-
sericite (3)
-
serpentine group
-
chrysotile (1)
-
-
stilpnomelane (1)
-
-
-
sulfates
-
alunite (1)
-
anglesite (1)
-
anhydrite (2)
-
gypsum (4)
-
leadhillite (1)
-
-
sulfides
-
copper sulfides (1)
-
galena (4)
-
molybdenite (2)
-
pyrite (4)
-
sphalerite (5)
-
-
sulfosalts (1)
-
tellurides (1)
-
-
Primary terms
-
absolute age (244)
-
Africa
-
West Africa
-
Nigeria
-
Niger Delta (2)
-
-
-
-
Antarctica
-
Antarctic ice sheet (1)
-
-
Arctic region
-
Greenland
-
Greenland ice sheet (1)
-
West Greenland (1)
-
-
-
asbestos deposits (1)
-
Asia
-
Arabian Peninsula
-
Oman (1)
-
-
Far East
-
China
-
Xizang China (1)
-
-
Indonesia (1)
-
-
Himalayas (3)
-
Indian Peninsula
-
Bhutan (1)
-
India
-
Sikkim India (1)
-
-
Nepal (2)
-
-
Karakoram (1)
-
Middle East
-
Zagros (1)
-
-
Siberia (1)
-
Siwalik Range (1)
-
Tibetan Plateau (2)
-
Tien Shan (2)
-
-
associations (4)
-
Atlantic Ocean
-
North Atlantic
-
Caribbean Sea (1)
-
Gulf of Mexico (2)
-
Hudson Bay (1)
-
North Sea (1)
-
-
-
atmosphere (1)
-
Australasia
-
Australia
-
New South Wales Australia (1)
-
Otway Basin (1)
-
Victoria Australia
-
Gippsland Basin (1)
-
-
-
New Zealand
-
Taupo volcanic zone (1)
-
-
Papua New Guinea (1)
-
-
bacteria (1)
-
barite deposits (1)
-
bibliography (13)
-
biogeography (11)
-
biography (1)
-
bitumens (5)
-
brines (11)
-
Canada
-
Arctic Archipelago (3)
-
Cassiar Mountains (2)
-
Eastern Canada
-
Newfoundland and Labrador
-
Newfoundland
-
Burin Peninsula (1)
-
-
-
-
Hudson Bay (1)
-
Mackenzie Mountains (5)
-
North Saskatchewan River (1)
-
Nunavut
-
Ellesmere Island (1)
-
Sverdrup Basin (1)
-
-
Queen Elizabeth Islands
-
Ellesmere Island (1)
-
Sverdrup Basin (1)
-
-
Stikinia Terrane (2)
-
Western Canada
-
Alberta
-
Alberta Basin (6)
-
Athabasca Glacier (1)
-
Athabasca River (1)
-
Banff Alberta (2)
-
Banff National Park (9)
-
Calgary Alberta (4)
-
Edmonton Alberta (1)
-
Jasper National Park (11)
-
Leduc Alberta (1)
-
Medicine Hat Alberta (1)
-
Peace River Arch (5)
-
Smoky River (1)
-
-
British Columbia
-
Bowser Basin (1)
-
Cariboo Mountains (8)
-
Dogtooth Mountains (2)
-
Esplanade Range (6)
-
Fernie Basin (1)
-
Kimberley British Columbia (1)
-
Omineca Mountains (3)
-
Revelstoke British Columbia (1)
-
Skeena Mountains (1)
-
Sustut Basin (1)
-
Vancouver Island (1)
-
-
Canadian Cordillera (69)
-
Canadian Rocky Mountains
-
Esplanade Range (6)
-
-
Crowsnest Pass (6)
-
Manitoba (2)
-
Northwest Territories
-
Great Slave Lake (1)
-
Pine Point mining district (2)
-
-
Red Deer River (1)
-
Saskatchewan (5)
-
Saskatchewan River (1)
-
Yukon Territory (5)
-
-
-
carbon
-
C-13/C-12 (36)
-
C-14 (28)
-
organic carbon (13)
-
-
Caribbean region
-
West Indies
-
Bahamas (1)
-
Caribbean Mountain Range (1)
-
-
-
catalogs (2)
-
Cenozoic
-
lower Cenozoic (1)
-
middle Cenozoic (2)
-
Quaternary
-
Cordilleran ice sheet (5)
-
Holocene
-
lower Holocene (3)
-
Medieval Warm Period (1)
-
middle Holocene (2)
-
Neoglacial (8)
-
upper Holocene (8)
-
-
Mazama Ash (1)
-
Pleistocene
-
Blackwater Draw Formation (2)
-
Illinoian (2)
-
Lake Lahontan (1)
-
upper Pleistocene
-
Weichselian
-
upper Weichselian
-
Allerod (1)
-
Younger Dryas (7)
-
-
-
Wisconsinan
-
lower Wisconsinan (1)
-
upper Wisconsinan
-
Fraser Glaciation (1)
-
-
-
-
-
upper Quaternary
-
Bull Lake Glaciation (5)
-
Pinedale Glaciation (4)
-
-
-
Tertiary
-
Arikaree Group (1)
-
Challis Volcanics (3)
-
lower Tertiary (9)
-
middle Tertiary (7)
-
Neogene
-
Bidahochi Formation (2)
-
Browns Park Formation (5)
-
Miocene
-
Ash Hollow Formation (2)
-
Barstovian (1)
-
lower Miocene
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Ne-20 (1)
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nodules (1)
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North America
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Appalachian Basin (2)
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Appalachians
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Basin and Range Province
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Canadian Shield
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Grenville Province (1)
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Coast plutonic complex (1)
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North American Cordillera
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Rocky Mountain Trench (20)
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Rocky Mountains
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Canadian Rocky Mountains
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Esplanade Range (6)
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Central Rocky Mountains (22)
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Selkirk Mountains
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Esplanade Range (6)
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Southern Rocky Mountains (72)
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U. S. Rocky Mountains
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Absaroka Range
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Big Belt Mountains (5)
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Bridger Range (12)
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Laramie Mountains (40)
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Owl Creek Mountains (18)
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San Juan Mountains
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Creede Caldera (6)
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Sangre de Cristo Mountains (60)
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Sawatch Range
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Mount Antero (2)
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Spanish Peaks (10)
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Tendoy Range (4)
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Tobacco Root Mountains (18)
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Uinta Mountains (53)
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Wasatch Range (59)
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Wind River Range (75)
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Rocky Mountains foreland (45)
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Shuswap Complex (7)
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Western Interior
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Western Overthrust Belt (18)
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ocean basins (1)
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oxygen
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dissolved oxygen (1)
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O-18/O-16 (54)
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Pacific Ocean
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Okhotsk Sea (1)
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West Pacific
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Pacific region (1)
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paleobotany (4)
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paleontology (49)
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Paleozoic
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Cambrian
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Lower Cambrian
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Gog Group (8)
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Middle Cambrian
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Burgess Shale (5)
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Flathead Sandstone (7)
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Marjum Formation (1)
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Wheeler Formation (1)
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Tintic Quartzite (1)
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Upper Cambrian
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Lamotte Sandstone (2)
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Pilgrim Formation (2)
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Carboniferous
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Amsden Formation (2)
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Big Snowy Group (1)
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Lower Carboniferous
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Dinantian (7)
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Manning Canyon Shale (1)
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Mississippian
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Barnett Shale (1)
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Bear Gulch Limestone Member (1)
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Leadville Formation (2)
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Lower Mississippian
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Kinderhookian
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Banff Formation (7)
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Lodgepole Formation (2)
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Osagian (2)
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Tournaisian (2)
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Madison Group (8)
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Middle Mississippian
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Visean (2)
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Mission Canyon Limestone (3)
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Redwall Limestone (2)
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Upper Mississippian
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Chesterian (3)
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Heath Formation (1)
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Meramecian (2)
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Namurian (1)
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Pennsylvanian
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Lower Pennsylvanian
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Morrowan (1)
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Middle Pennsylvanian
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Atokan (3)
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Desmoinesian (4)
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Paradox Formation (1)
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Minturn Formation (5)
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Upper Pennsylvanian
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Missourian
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Lansing Group (1)
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Virgilian (2)
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Wescogame Formation (1)
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Watahomigi Formation (1)
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Upper Carboniferous (1)
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Casper Formation (2)
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Devonian
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Lower Devonian
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Emsian (1)
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Pragian (1)
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Middle Devonian
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Givetian (2)
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Marcellus Shale (1)
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Miette Complex (2)
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Slave Point Formation (1)
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Upper Devonian
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Duperow Formation (1)
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Famennian
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Wabamun Group (1)
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Frasnian
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Leduc Formation (1)
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Grosmont Formation (1)
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Jefferson Group (4)
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Kellwasser event (1)
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Palliser Formation (3)
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-
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Exshaw Formation (7)
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Ishbel Group (2)
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lower Paleozoic
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Conococheague Formation (1)
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Penobscot Formation (1)
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Madera Formation (1)
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Maroon Formation (1)
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middle Paleozoic (2)
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Minnelusa Formation (5)
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Ordovician
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Lower Ordovician
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Ibexian (2)
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Manitou Formation (2)
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Tremadocian (1)
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Middle Ordovician
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Saint Peter Sandstone (1)
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Simpson Group (1)
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Upper Ordovician
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Ashgillian (1)
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Cincinnatian (1)
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Red River Formation (1)
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Utica Shale (1)
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Viola Limestone (1)
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Permian
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Coconino Sandstone (1)
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Cutler Formation (4)
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Guadalupian
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Bell Canyon Formation (1)
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Brushy Canyon Formation (1)
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Cherry Canyon Formation (1)
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Delaware Mountain Group (1)
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Wordian (1)
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Kaibab Formation (2)
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Lower Permian
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Abo Formation (1)
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Cherry Canyon Formation (1)
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Cisuralian
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Kungurian (1)
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Leonardian (1)
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Wolfcampian
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Hueco Limestone (1)
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Lyons Sandstone (4)
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Meade Peak Member (1)
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Middle Permian (1)
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Park City Formation (2)
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Phosphoria Formation (4)
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Ranger Canyon Formation (2)
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Toroweap Formation (1)
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Upper Permian
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Lopingian (1)
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Permian-Triassic boundary (1)
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Wellington Formation (2)
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Pilot Shale (2)
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Sauk Sequence (1)
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Silurian
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Lower Silurian (3)
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Upper Silurian (1)
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Supai Formation (2)
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Tensleep Sandstone (7)
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upper Paleozoic
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Bakken Formation (2)
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Fountain Formation (4)
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Wood River Formation (1)
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Weber Sandstone (2)
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palynology (1)
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Classopollis (1)
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paragenesis (21)
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Plantae
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Bryophyta (2)
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Spermatophyta
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Angiospermae
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Gymnospermae
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Coniferales
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Pinaceae
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Taxodiaceae
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Metasequoia (1)
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plate tectonics (103)
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pollution (7)
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Precambrian
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Archean
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J-M Reef (2)
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Mesoarchean (1)
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Eocambrian (1)
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Laramie anorthosite complex (6)
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middle Precambrian (1)
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Nonesuch Shale (1)
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Prichard Formation (2)
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Purcell System (9)
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Sandia Granite (1)
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Spuhler Peak Formation (1)
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Stillwater Complex (9)
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Twilight Gneiss (1)
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Uinta Mountain Group (8)
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upper Precambrian
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Proterozoic
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Mesoproterozoic
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Aldridge Formation (2)
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Belt Supergroup (24)
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Helena Formation (1)
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Helikian (1)
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Missoula Group (3)
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Newland Limestone (3)
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Ravalli Group (1)
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Revett Quartzite (1)
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Wallace Formation (1)
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Miette Group (13)
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Neoproterozoic
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Ediacaran (4)
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Hadrynian (7)
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Horsethief Creek Group (4)
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Sturtian (1)
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Tonian (1)
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Vendian (3)
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Ortega Group (3)
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Paleoproterozoic (35)
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Windermere System (10)
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Vadito Group (2)
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problematic fossils
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reclamation (1)
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reefs (14)
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remote sensing (19)
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sea-level changes (41)
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packstone (2)
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chemically precipitated rocks
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chert (6)
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evaporites
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iron formations
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phosphate rocks (1)
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clastic rocks
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arenite
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argillite (3)
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arkose (4)
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black shale (6)
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conglomerate (41)
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shale (47)
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coal
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gas sands (1)
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oil shale (2)
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sedimentary structures
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bedding plane irregularities
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ripple marks (3)
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biogenic structures
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banks (1)
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massive bedding (2)
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primary structures (1)
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soft sediment deformation
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sedimentation (158)
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sediments
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sand (8)
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silt (2)
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till (13)
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gyttja (1)
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peat (7)
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seismology (26)
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soils
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South America
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Andes
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Argentina
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Brazil (1)
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Chile
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Colombia
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Venezuela
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Southern Ocean
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Ross Sea
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spectroscopy (7)
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springs (14)
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standard materials (1)
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stratigraphy (190)
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structural analysis (72)
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structural geology (236)
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sulfur
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S-34/S-32 (11)
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symposia (5)
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talc deposits (3)
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tectonics
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neotectonics (26)
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salt tectonics (1)
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tectonophysics (33)
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thallophytes (2)
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thermal waters (12)
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underground installations (1)
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United States
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Absaroka Fault (3)
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Alaska
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Brooks Range (1)
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Redoubt (1)
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Albuquerque Basin (1)
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Arizona
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Arkansas River valley (5)
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California
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Los Angeles County California
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Los Angeles California
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Northridge California (1)
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Mono County California
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Long Valley Caldera (1)
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Central Basin Platform (3)
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Colorado
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Adams County Colorado
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Alamosa County Colorado (3)
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Front Range urban corridor (1)
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Gunnison River (2)
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Larimer County Colorado (8)
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Silverton Caldera (6)
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San Juan volcanic field (17)
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Sawatch Range
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Summit County Colorado (1)
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Idaho
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Montana
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Nebraska
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New Mexico
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New York
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rock formations
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GeoRef Categories
Era and Period
Epoch and Age
Book Series
Date
Availability
Rocky Mountains
Structural analysis of brittle-plastic shear zones in the Sangre de Cristo Range, southern Colorado, USA: Superposition of Rio Grande rift extension on Laramide contraction Open Access
Using Landslides to Locate the Epicenter for the Historic 1882 Earthquake in Colorado Available to Purchase
Exploring the impact of deglaciation on fault slip in the Sangre de Cristo Mountains, Colorado, USA Available to Purchase
Evidence for a Late Cretaceous to Paleogene basement-involved retroarc wedge in the southern U.S. Cordillera: A case study from the northern Chiricahua Mountains, Arizona Available to Purchase
Mega-boulders and ignimbrite remnants on the Late Eocene Erosion Surface, southern Front Range, Colorado: Implications for the emergence of the Puma Hills Available to Purchase
Mantle melting in regions of thick continental lithosphere: Examples from Late Cretaceous and younger volcanic rocks, Southern Rocky Mountains, Colorado (USA) Open Access
Drought-induced seismicity modulation in the New Madrid Seismic Zone, central United States Open Access
Energy‐Magnitude Station Corrections across the Conterminous United States Available to Purchase
Fluvial response to Late Pleistocene–Holocene climate change in the Colorado River drainage, central Texas, USA: REPLY Open Access
Fluvial response to Late Pleistocene–Holocene climate change in the Colorado River drainage, central Texas, USA: COMMENT Open Access
Thick- and thin-skinned contractional styles and the tectonic evolution of the northern Sangre de Cristo Mountains, Colorado, USA Open Access
Deep resistivity geophysics of the San Juan–Silverton caldera complex, San Juan County, Colorado (USA) Open Access
Subsidence-induced early doming at a large ignimbrite caldera Available to Purchase
European Association of Geochemistry Free
Breaking boulders: experimental examination of hydraulic fracturing in the Montney Formation Available to Purchase
Cenozoic Exhumation Across the High Plains of Southeastern Colorado from (U-Th)/He Thermochronology Open Access
Cause of Enigmatic Upper‐Mantle Earthquakes in Central Wyoming Available to Purchase
Precursors to a continental-arc ignimbrite flare-up: Early central volcanoes of the San Juan Mountains, Colorado, USA Open Access
U.S. Geological Survey Core Research Center: a gateway to subsurface discovery for geoscience research Available to Purchase
Abstract The U.S. Geological Survey (USGS) operates the Core Research Center (CRC) in Denver, Colorado, USA, a public access repository of rock cores from over 9800 wells and drill cuttings from over 53 000 wells, primarily from states in or adjacent to the Rocky Mountain Region. Annually, approximately 1400 visitors use the collection for traditional and innovative research. The CRC has an online, searchable database which includes downloadable core photos, analytical data, and thin-section images. When visitors sample for analyses, the results must be returned to the CRC for public dissemination providing immediate, free access to users while sparing the finite, irreplaceable collection from redundant testing. A representative quantity of every core depth is preserved in perpetuity. Studies on CRC materials, paired with new extraction methods, have unlocked new productive deposits. Materials drilled and curated decades ago remain in high demand while materials receiving little attention today may be crucial for future research. The collection provides immediate, inexpensive access to subsurface materials at a fraction of the cost of new drilling, sparing money, time and environmental impacts.
Alluvial fans offer a means to unravel the intricacies of landscape, tectonic, and climatic dynamics. This book and accompanying geologic map highlight alluvial fans and their deposits exemplified by a suite of debris-flow alluvial fans emanating from the Holocene-active western range front of the Sangre de Cristo Mountains in south-central Colorado. The link between morphologies of fan surfaces and the sedimentary facies of their deposits permits a basis for evolutionary process interpretation of debris-flow alluvial fan geomorphology. A grasp of these processes will help earth scientists better discern complexities between buried paleo-surfaces (intraformational progressive unconformities), surficial deformation, and landform development as recorded in debris-flow fan deposits in the sedimentary record.