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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
-
High Atlas (1)
-
-
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Morocco
-
Moroccan Atlas Mountains
-
High Atlas (1)
-
-
-
Tunisia (1)
-
-
Southern Africa
-
South Africa
-
Free State South Africa
-
Vredefort Dome (1)
-
-
-
-
-
Altiplano (2)
-
Arctic Ocean
-
Beaufort Sea (1)
-
-
Asia
-
Arabian Peninsula
-
Oman
-
Oman Mountains (1)
-
-
-
Far East
-
China
-
Guizhou China (1)
-
Nanpanjiang Basin (1)
-
South China Block (1)
-
-
Japan
-
Kyushu (2)
-
-
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Himalayas (1)
-
Indian Peninsula
-
India (1)
-
Jammu and Kashmir
-
Ladakh (1)
-
-
Pakistan (1)
-
-
-
Atlantic Ocean
-
Mid-Atlantic Ridge (1)
-
North Atlantic
-
Great Bahama Bank (1)
-
Little Bahama Bank (1)
-
-
-
Bear River basin (1)
-
Beaver Creek (1)
-
Black Mountains (1)
-
Blue Mountains (7)
-
Cache Creek (1)
-
Cache Valley (1)
-
Caledonides (1)
-
Canada
-
Eastern Canada
-
Ontario
-
Sudbury Structure (1)
-
Thunder Bay District Ontario (1)
-
-
-
Western Canada
-
Alberta (5)
-
British Columbia
-
Mount Meager (2)
-
Vancouver British Columbia (4)
-
Vancouver Island (1)
-
-
Canadian Cordillera (2)
-
Canadian Rocky Mountains (5)
-
-
-
Caribbean region
-
West Indies
-
Antilles
-
Lesser Antilles
-
Guadeloupe (1)
-
Martinique (1)
-
-
-
-
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Cascade Range (21)
-
Cascadia subduction zone (2)
-
Central Valley (1)
-
Channeled Scabland (4)
-
Clark Fork (1)
-
Coast Mountains (3)
-
Coast Ranges (9)
-
Colorado River (8)
-
Columbia River (4)
-
Columbia River basin (2)
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Commonwealth of Independent States (1)
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Crater Lake (1)
-
Deschutes River (1)
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Diablo Range (1)
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Europe
-
Alps
-
French Alps (1)
-
Western Alps
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Dauphine Alps (1)
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Maritime Alps (1)
-
-
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Carpathians
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Western Carpathians (1)
-
-
Central Europe
-
Austria (1)
-
Czech Republic (1)
-
Germany (1)
-
Slovakia (1)
-
Switzerland (1)
-
-
Danube River (1)
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Jura Mountains (1)
-
Pyrenees (12)
-
Southern Europe
-
Bulgaria (1)
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Greece (1)
-
Iberian Peninsula
-
Iberian Massif (1)
-
Spain
-
Aragon Spain
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Saragossa Spain (1)
-
Teruel Spain (2)
-
-
Asturias Spain (1)
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Cantabrian Mountains (1)
-
Castile Spain
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New Castile Spain (2)
-
-
Castilla-La Mancha Spain
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Cuenca Spain (2)
-
-
Iberian Mountains (5)
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Maestrazgo Spain (1)
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Valencia region
-
Castellon Spain
-
Castellon de la Plana City Spain (2)
-
-
-
-
-
Italy
-
Apennines (2)
-
Apulia Italy
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Gargano (1)
-
-
Campania Italy
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Phlegraean Fields (1)
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Vesuvius (1)
-
-
Sicily Italy
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Mount Etna (1)
-
-
Umbria Italy
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Perugia Italy
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Gubbio Italy (1)
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-
-
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Serbia
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Vojvodina Serbia (1)
-
-
-
Western Europe
-
France
-
Allier France (1)
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Alpes-de-Haute Provence France (1)
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Alpes-Maritimes France (1)
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Central Massif
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Millevaches Plateau (1)
-
-
Dauphine Alps (1)
-
Dordogne France (1)
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Drome France (1)
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French Alps (1)
-
Haute-Loire France
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Velay (1)
-
-
Hautes-Alpes France (1)
-
Isere France (1)
-
Limousin (2)
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Lot France (1)
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Monts du Lyonnais (1)
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Var France (1)
-
-
Iceland
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Hekla (1)
-
Katla (1)
-
Vatnajokull (1)
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Vestmannaeyjar (1)
-
-
Ireland
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Galway Ireland (2)
-
-
Maritime Alps (1)
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Scandinavia
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Norway
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Jotunheim Mountains (1)
-
Nordland Norway
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Lofoten Islands (1)
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Southern Norway (1)
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-
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United Kingdom
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Great Britain
-
England
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Cornwall England (2)
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Devon England (1)
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Dorset England (1)
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Somerset England (1)
-
-
Scotland
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Glasgow Scotland (1)
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Scottish Highlands (1)
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-
Wales (1)
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-
-
-
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Front Range (8)
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Grand Canyon (3)
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Green River basin (1)
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Guadalupe Mountains (3)
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High Island (1)
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James River (1)
-
Lake Mead (3)
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Lake Nipissing (2)
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Madison Range (1)
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Mammoth Cave (1)
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Mediterranean Sea
-
East Mediterranean
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Adriatic Sea (1)
-
-
Pelagian Sea (1)
-
-
Mexico
-
Baja California Sur Mexico (1)
-
Coahuila Mexico (1)
-
Colorado River delta (1)
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La Popa Basin (2)
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Mexico state
-
Federal District Mexico
-
Mexico City Mexico (1)
-
-
Nevado de Toluca (1)
-
-
Nuevo Leon Mexico (1)
-
Popocatepetl (1)
-
Sabinas Basin (1)
-
San Luis Potosi Mexico (2)
-
Sierra Madre Occidental (2)
-
Sierra Madre Oriental (1)
-
Sonora Mexico (4)
-
Trans-Mexican volcanic belt (1)
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Zacatecas Mexico (2)
-
-
Mill Creek (1)
-
Mount Baker (1)
-
Mount Jefferson (1)
-
North America
-
Appalachian Basin (2)
-
Appalachians
-
Allegheny Mountains (1)
-
Appalachian Plateau (4)
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Blue Ridge Province (20)
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Catskill Mountains (2)
-
Central Appalachians (6)
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Cumberland Plateau (1)
-
Piedmont
-
Inner Piedmont (4)
-
-
Southern Appalachians (5)
-
Valley and Ridge Province (12)
-
-
Basin and Range Province
-
Great Basin (8)
-
-
Belt Basin (1)
-
Canadian Shield
-
Superior Province
-
Quetico Belt (1)
-
Wabigoon Belt (1)
-
Wawa Belt (1)
-
-
-
Cerro Prieto Fault (1)
-
Coast plutonic complex (1)
-
Great Lakes
-
Lake Michigan (3)
-
-
Great Lakes region (1)
-
Great Plains (4)
-
Gulf Coastal Plain (2)
-
Keweenawan Rift (5)
-
Kootenay Arc (1)
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Lake Superior region (4)
-
Niagara Escarpment (2)
-
North American Cordillera
-
Canadian Cordillera (2)
-
-
Rocky Mountains
-
Canadian Rocky Mountains (5)
-
Central Rocky Mountains (1)
-
Northern Rocky Mountains (2)
-
Southern Rocky Mountains (1)
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U. S. Rocky Mountains
-
Bitterroot Range (1)
-
Gravelly Range (1)
-
Medicine Bow Mountains (1)
-
San Juan Mountains (1)
-
Sawatch Range (2)
-
Uinta Mountains (2)
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Wasatch Range (3)
-
-
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Skagit Valley (1)
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Slide Mountain Terrane (1)
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Straight Creek Fault (1)
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Western Interior
-
Western Interior Seaway (4)
-
-
-
Northern Highlands (1)
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Owens Valley (2)
-
Pacific Coast (3)
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Pasco Basin (1)
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Permian Basin (1)
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Pioneer Mountains (1)
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Point Arena (1)
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Puna (1)
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Quesnellia Terrane (1)
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Red Hill (1)
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River Mountains (1)
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Ruby Mountains (2)
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Ruby Range (1)
-
Sacramento Mountains (1)
-
Sacramento River (1)
-
Salmon River (1)
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San Andreas Fault (10)
-
San Francisco Peninsula (1)
-
San Juan Islands (1)
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Santa Catalina Mountains (1)
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Santa Cruz Mountains (1)
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Sierra Nevada (11)
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Snake River (1)
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Snake River canyon (1)
-
South America
-
Andes
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Aconcagua (2)
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Central Andes (2)
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Patagonian Andes (1)
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Southern Andes (2)
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Argentina
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Jujuy Argentina (1)
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Neuquen Argentina (1)
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Neuquen Basin (1)
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Pampean Mountains (2)
-
-
Chile (2)
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Patagonia
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Patagonian Andes (1)
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Precordillera (1)
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Spring Mountains (1)
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Twin Lakes (2)
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United States
-
Alabama (3)
-
Alaska
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Brooks Range (1)
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Wrangell Mountains (1)
-
-
Allegheny Mountains (1)
-
Allegheny Plateau (2)
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Arizona
-
Coconino County Arizona
-
Flagstaff Arizona (1)
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Meteor Crater (2)
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-
Gila County Arizona
-
Tonto Basin (1)
-
-
Mohave County Arizona (6)
-
Navajo County Arizona
-
Holbrook Arizona (1)
-
-
Petrified Forest National Park (1)
-
Pima County Arizona
-
Tucson Arizona (1)
-
-
Rincon Mountains (1)
-
San Francisco Peaks (2)
-
Yuma County Arizona (1)
-
-
Arkansas (1)
-
Atlantic Coastal Plain
-
Southern Atlantic Coastal Plain (1)
-
-
Book Cliffs (3)
-
Brevard Zone (1)
-
California
-
Alameda County California
-
Berkeley California (1)
-
-
Amador County California (1)
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Calaveras Fault (2)
-
Central California (9)
-
Contra Costa County California (1)
-
Fresno County California
-
Fresno California (1)
-
-
Garlock Fault (1)
-
Hayward Fault (1)
-
Imperial County California (1)
-
Inyo County California
-
Inyo Mountains (1)
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-
Lake County California (3)
-
Lassen County California (1)
-
Los Angeles County California
-
Palmdale California (1)
-
-
Madera County California (1)
-
Marin County California
-
Point Reyes (1)
-
-
Mendocino County California (2)
-
Monterey County California
-
Parkfield California (1)
-
-
Napa County California (2)
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Nevada County California (1)
-
Northern California (6)
-
Riverside County California (1)
-
Salinian Block (1)
-
San Benito County California
-
Hollister California (1)
-
-
San Bernardino County California
-
Cima volcanic field (1)
-
-
San Francisco Bay
-
San Pablo Bay (2)
-
-
San Francisco County California
-
San Francisco California (9)
-
-
Santa Clara County California (2)
-
Sierra Nevada Batholith (4)
-
Solano County California (1)
-
Sonoma County California (4)
-
Southern California (1)
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The Geysers (2)
-
Transverse Ranges (2)
-
Trinity Complex (1)
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Yolla Bolly Terrane (2)
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Yosemite National Park (3)
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-
Carolina Terrane (1)
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Chesapeake Bay (3)
-
Cincinnati Arch (5)
-
Colorado
-
Baca County Colorado (1)
-
Chaffee County Colorado (2)
-
Colorado mineral belt (3)
-
Douglas County Colorado (1)
-
El Paso County Colorado
-
Colorado Springs Colorado (1)
-
-
Elbert County Colorado (1)
-
Fremont County Colorado
-
Canon City Colorado (1)
-
-
Garfield County Colorado (2)
-
Grand County Colorado (1)
-
Gunnison County Colorado (1)
-
Gunnison River (1)
-
Lake County Colorado
-
Leadville Colorado (2)
-
-
Needle Mountains (1)
-
Saguache County Colorado (1)
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San Juan volcanic field (2)
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Sawatch Range (2)
-
Teller County Colorado
-
Cripple Creek Colorado (1)
-
-
White River Plateau (1)
-
-
Colorado Plateau (15)
-
Columbia Plateau (7)
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Dan River basin (1)
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Delaware
-
New Castle County Delaware (1)
-
-
Delaware Basin (2)
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Delmarva Peninsula (1)
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Denver Basin (2)
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District of Columbia (4)
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Eastern California shear zone (2)
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Eastern U.S.
-
Northeastern U.S. (1)
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Southeastern U.S. (2)
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-
Florida
-
Florida Keys (1)
-
-
Gettysburg Basin (1)
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Great Basin (8)
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Great Smoky Fault (1)
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Great Smoky Mountains (4)
-
Hayesville Fault (1)
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Hayfork Terrane (1)
-
Hudson Valley (2)
-
Hueco Mountains (1)
-
Hurricane Fault (1)
-
Idaho
-
Bannock County Idaho (1)
-
Bannock Range (1)
-
Elmore County Idaho (1)
-
Idaho County Idaho (1)
-
Latah County Idaho (1)
-
Nez Perce County Idaho (1)
-
Snake River plain (7)
-
Twin Falls County Idaho (2)
-
-
Idaho Batholith (2)
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Illinois
-
Cook County Illinois
-
Chicago Illinois (1)
-
-
Hardin County Illinois (1)
-
Saline County Illinois (1)
-
-
Illinois Basin (2)
-
Indiana
-
Gibson County Indiana (1)
-
Kentland impact structure (1)
-
Marion County Indiana (1)
-
Newton County Indiana (1)
-
Posey County Indiana (4)
-
Spencer County Indiana (1)
-
Vanderburgh County Indiana (2)
-
-
Iowa
-
Pottawattamie County Iowa (1)
-
-
Kentucky
-
Edmonson County Kentucky (1)
-
Jefferson County Kentucky
-
Louisville Kentucky (1)
-
-
-
Klamath Mountains (2)
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Lewis and Clark Lineament (1)
-
Louisiana (2)
-
Maryland
-
Baltimore County Maryland
-
Baltimore Maryland (2)
-
-
Calvert County Maryland (1)
-
Cecil County Maryland (1)
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Harford County Maryland (1)
-
Montgomery County Maryland (1)
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Michigan
-
Michigan Lower Peninsula
-
Allegan County Michigan (1)
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Eaton County Michigan (1)
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Wayne County Michigan (1)
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-
Michigan Upper Peninsula
-
Keweenaw Peninsula (3)
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-
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Midcontinent (2)
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Midwest (3)
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Minnesota
-
Cook County Minnesota (2)
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Dakota County Minnesota (2)
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Duluth Complex (2)
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Goodhue County Minnesota (2)
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Hennepin County Minnesota
-
Minneapolis Minnesota (1)
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-
Lake County Minnesota (2)
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Mesabi Range (1)
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Minnesota River valley (4)
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Nicollet County Minnesota (1)
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Ramsey County Minnesota
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Saint Paul Minnesota (1)
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Saint Louis County Minnesota
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Duluth Minnesota (1)
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Scott County Minnesota (1)
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Vermilion Range (1)
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Mississippi River (1)
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Mississippi Valley
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Upper Mississippi Valley (3)
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Missouri
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Greene County Missouri
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Springfield Missouri (2)
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-
Taney County Missouri (1)
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Viburnum Trend (2)
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Missouri River (1)
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Mojave Desert (3)
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Montana
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Gallatin County Montana
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Hebgen Lake (1)
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-
Granite County Montana (1)
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Gravelly Range (1)
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Jefferson County Montana (1)
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Mineral County Montana (2)
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Missoula County Montana (1)
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-
Nashville Dome (1)
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Nebraska
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Antelope County Nebraska (1)
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Douglas County Nebraska (1)
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Knox County Nebraska (1)
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Lancaster County Nebraska (1)
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-
Nevada
-
Carlin Mine (2)
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Carlin Trend (2)
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Clark County Nevada (8)
-
Elko County Nevada
-
East Humboldt Range (2)
-
Independence Mountains (1)
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-
Esmeralda County Nevada (1)
-
Eureka County Nevada (3)
-
Humboldt County Nevada (1)
-
Lincoln County Nevada (1)
-
Nevada Test Site (1)
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Nye County Nevada
-
Yucca Mountain (1)
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-
Washoe County Nevada (1)
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-
New Hampshire (1)
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New Jersey (1)
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New Madrid region (1)
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New Mexico
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Picuris Range (1)
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Taos County New Mexico
-
Questa Mine (1)
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-
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New York
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Catskill Mountains (2)
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Greene County New York (1)
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New York City New York (1)
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Ulster County New York (1)
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North Carolina
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Lincoln County North Carolina (1)
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Macon County North Carolina (1)
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Wake County North Carolina (1)
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North Dakota
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Cass County North Dakota (1)
-
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Ohio
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Mahoning County Ohio (1)
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Montgomery County Ohio (2)
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Paulding County Ohio (1)
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-
Ohio River (2)
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Ohio River valley (2)
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Oregon
-
Baker County Oregon (1)
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Clackamas County Oregon (3)
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Clatsop County Oregon (2)
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Columbia County Oregon (1)
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Crook County Oregon (2)
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Deschutes County Oregon
-
Newberry Volcano (1)
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-
Gilliam County Oregon (1)
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Grant County Oregon (1)
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Harney County Oregon
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Steens Mountain (1)
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Hood River County Oregon (4)
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Jackson County Oregon (1)
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Jefferson County Oregon (1)
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Josephine County Oregon (1)
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Klamath County Oregon
-
Mount Mazama (1)
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-
Lake County Oregon (3)
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Lane County Oregon (2)
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Lincoln County Oregon (2)
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Mount Hood (2)
-
Multnomah County Oregon
-
Portland Oregon (1)
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-
Tillamook County Oregon (1)
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Umatilla County Oregon (1)
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Union County Oregon (1)
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Wallowa County Oregon (1)
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Wallowa Mountains (1)
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Willamette River (1)
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Willamette Valley (2)
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-
Ozark Mountains (4)
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Pennsylvania
-
Adams County Pennsylvania (2)
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Allegheny County Pennsylvania
-
Pittsburgh Pennsylvania (3)
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-
Berks County Pennsylvania (1)
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Blair County Pennsylvania (2)
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Butler County Pennsylvania (2)
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Cambria County Pennsylvania (2)
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Carbon County Pennsylvania (1)
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Chester County Pennsylvania (1)
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Clinton County Pennsylvania (2)
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Columbia County Pennsylvania (1)
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Crawford County Pennsylvania (2)
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Delaware County Pennsylvania (1)
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Huntingdon County Pennsylvania (1)
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Lancaster County Pennsylvania (1)
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Lawrence County Pennsylvania (1)
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Lycoming County Pennsylvania (2)
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Mercer County Pennsylvania (1)
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Mifflin County Pennsylvania (1)
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Northumberland County Pennsylvania (1)
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Philadelphia County Pennsylvania
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Philadelphia Pennsylvania (2)
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Schuylkill County Pennsylvania (1)
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Somerset County Pennsylvania (1)
-
Tioga County Pennsylvania (1)
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Venango County Pennsylvania (2)
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York County Pennsylvania (1)
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-
Potomac River (3)
-
Powder River basin (1)
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Reelfoot Rift (1)
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Sabine Uplift (1)
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Salisbury Embayment (1)
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Sevier orogenic belt (3)
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Shenandoah Valley (2)
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South Carolina
-
Charleston County South Carolina
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Charleston South Carolina (2)
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-
-
South Dakota (1)
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Southern U.S. (1)
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Southwestern U.S. (4)
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Susquehanna River (1)
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Susquehanna River basin (1)
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Talladega Front (1)
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Tennessee
-
Blount County Tennessee (1)
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Clay County Tennessee (1)
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Hamilton County Tennessee (1)
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Jackson County Tennessee (3)
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Knox County Tennessee (4)
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Monroe County Tennessee (1)
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Reelfoot Lake (1)
-
Rhea County Tennessee (1)
-
Sequatchie County Tennessee (1)
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Sequatchie Valley (1)
-
Shelby County Tennessee
-
Memphis Tennessee (1)
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-
Washington County Tennessee (1)
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-
Tennessee River (1)
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Texas
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Balcones fault zone (1)
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Bastrop County Texas (2)
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Western U.S. (3)
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elements, isotopes
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isotope ratios (8)
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stable isotopes
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large-ion lithophile elements (2)
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Sr-87/Sr-86 (2)
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aluminum
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Al-26 (1)
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arsenic (1)
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hafnium
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Hf-177/Hf-176 (1)
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Nd-144/Nd-143 (1)
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nitrogen
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O-18/O-16 (2)
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Mammalia
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Carnivora
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Felidae
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Chiroptera (1)
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Perissodactyla
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Hippomorpha
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Proboscidea
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Elephantidae
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Rodentia (1)
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Reptilia
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Diapsida
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Archosauria
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Saurischia
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Theropoda (2)
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Lepidosauria
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Squamata
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Lacertilia
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Mosasauridae (1)
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-
-
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Sauropterygia
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Plesiosauria (1)
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-
-
-
-
-
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coprolites (1)
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ichnofossils (4)
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Invertebrata
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Archaeocyatha (1)
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Arthropoda
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Insecta (1)
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Trilobitomorpha
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Trilobita (2)
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-
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Brachiopoda
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Articulata
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Pentamerida (1)
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Bryozoa (2)
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Cnidaria
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Anthozoa (3)
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Echinodermata
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Crinozoa
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-
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Mollusca
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Cephalopoda
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Porifera (1)
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Protista
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Foraminifera (3)
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Radiolaria (1)
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-
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microfossils
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Conodonta (5)
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palynomorphs
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pollen (2)
-
-
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Plantae
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nannofossils (1)
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-
-
tracks (3)
-
-
geochronology methods
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(U-Th)/He (1)
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Ar/Ar (6)
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exposure age (5)
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fission-track dating (1)
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K/Ar (2)
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paleomagnetism (12)
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tephrochronology (3)
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thermochronology (4)
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U/Pb (23)
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geologic age
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Cenozoic
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middle Cenozoic (1)
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Quaternary
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Cordilleran ice sheet (6)
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Holocene
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lower Holocene (3)
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upper Holocene (4)
-
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Mazama Ash (1)
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Pleistocene
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Illinoian (4)
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Irvingtonian (2)
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Lake Agassiz (3)
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Lake Missoula (6)
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Loveland Loess (1)
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lower Pleistocene (2)
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Matuyama Chron (1)
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middle Pleistocene (1)
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upper Pleistocene
-
Sangamonian (1)
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Weichselian
-
upper Weichselian
-
Allerod (1)
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Younger Dryas (2)
-
-
-
Wisconsinan
-
Lavery Till (1)
-
upper Wisconsinan
-
Fraser Glaciation (2)
-
-
-
-
-
upper Quaternary
-
Brunhes Chron (1)
-
Bull Lake Glaciation (1)
-
Pinedale Glaciation (1)
-
-
-
Tertiary
-
Challis Volcanics (2)
-
John Day Formation (1)
-
Neogene
-
Miocene
-
Ash Hollow Formation (1)
-
Calvert Formation (1)
-
Clarendonian (1)
-
Columbia River Basalt Group (11)
-
Grande Ronde Basalt (3)
-
middle Miocene
-
Choptank Formation (1)
-
-
Saddle Mountains Basalt (3)
-
Saint Marys Formation (1)
-
upper Miocene (1)
-
Valentine Formation (1)
-
Wanapum Basalt (2)
-
-
Ogallala Formation (1)
-
Pliocene
-
upper Pliocene (1)
-
-
Ringold Formation (1)
-
-
Paleogene
-
Calvert Bluff Formation (2)
-
Claron Formation (2)
-
Duchesne River Formation (2)
-
Eocene
-
Absaroka Supergroup (1)
-
Annot Sandstone (1)
-
Bridger Formation (1)
-
Chumstick Formation (2)
-
Clarno Formation (1)
-
Green River Formation (2)
-
lower Eocene
-
Aquia Formation (1)
-
-
middle Eocene
-
Carrizo Sand (2)
-
Claiborne Group (1)
-
Queen City Formation (1)
-
Sparta Sand (1)
-
Tyee Formation (1)
-
-
Swauk Formation (3)
-
upper Eocene
-
Uinta Formation (1)
-
-
-
Oligocene (4)
-
Paleocene
-
lower Paleocene
-
K-T boundary (2)
-
-
-
Paleocene-Eocene Thermal Maximum (1)
-
Wasatch Formation (2)
-
Wilcox Group (1)
-
-
upper Tertiary (1)
-
-
upper Cenozoic (4)
-
-
Dalradian (1)
-
Lake Bonneville (4)
-
Laurentide ice sheet (4)
-
Mesozoic
-
Condrey Mountain Schist (1)
-
Cretaceous
-
Comanchean
-
Edwards Formation (1)
-
-
Dakota Formation (3)
-
Lower Cretaceous
-
Burro Canyon Formation (1)
-
Cedar Mountain Formation (2)
-
Edwards Formation (1)
-
-
Mancos Shale (7)
-
Middle Cretaceous (2)
-
Natih Formation (1)
-
Potomac Group (2)
-
Upper Cretaceous
-
Blackhawk Formation (1)
-
Campanian
-
lower Campanian (1)
-
-
Castlegate Sandstone (1)
-
Cenomanian (1)
-
Ferron Sandstone Member (1)
-
Greenhorn Limestone (1)
-
Gulfian
-
Austin Group (1)
-
Eagle Ford Formation (1)
-
Woodbine Formation (1)
-
-
Kaiparowits Formation (1)
-
K-T boundary (2)
-
Mesaverde Group (3)
-
Senonian (1)
-
Straight Cliffs Formation (1)
-
Tropic Shale (1)
-
Tuolumne Intrusive Suite (5)
-
Wahweap Formation (1)
-
-
-
Franciscan Complex (2)
-
Great Valley Sequence (2)
-
Jurassic
-
Aztec Sandstone (4)
-
Carmel Formation (3)
-
Lower Jurassic (1)
-
Middle Jurassic
-
Summerville Formation (2)
-
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Smartville Complex (1)
-
Upper Jurassic
-
Brushy Basin Member (1)
-
Entrada Sandstone (1)
-
Josephine Ophiolite (1)
-
Morrison Formation (3)
-
-
-
Kayenta Formation (1)
-
Navajo Sandstone (4)
-
Orocopia Schist (1)
-
Triassic
-
Moenkopi Formation (3)
-
Montney Formation (1)
-
Upper Triassic
-
Chinle Formation (4)
-
-
-
Wingate Sandstone (1)
-
-
MIS 2 (1)
-
Paleozoic
-
Cambrian
-
Acadian (2)
-
Conasauga Group (1)
-
Lower Cambrian
-
Chilhowee Group (1)
-
Poleta Formation (1)
-
Rome Formation (1)
-
-
Middle Cambrian
-
Bright Angel Shale (1)
-
Flathead Sandstone (1)
-
-
Tapeats Sandstone (1)
-
-
Carboniferous
-
Lower Carboniferous
-
Dinantian (1)
-
-
Mississippian
-
Lower Mississippian
-
Fort Payne Formation (1)
-
Osagian
-
Burlington Limestone (1)
-
Keokuk Limestone (1)
-
-
Pocono Formation (1)
-
-
Redwall Limestone (1)
-
Upper Mississippian
-
Mauch Chunk Formation (1)
-
Meramecian
-
Salem Limestone (2)
-
-
-
Valmeyeran (1)
-
-
Pennsylvanian
-
Conemaugh Group (1)
-
Lower Pennsylvanian (1)
-
Mansfield Formation (1)
-
Middle Pennsylvanian
-
Allegheny Group (2)
-
Paradox Formation (1)
-
-
Monongahela Group (1)
-
Pottsville Group (1)
-
-
-
Catskill Formation (2)
-
Chattanooga Shale (2)
-
Devonian
-
Guilmette Formation (1)
-
Lower Devonian (1)
-
Middle Devonian
-
Hamilton Group (1)
-
Mahantango Formation (1)
-
Marcellus Shale (2)
-
Onondaga Limestone (1)
-
-
Millboro Shale (1)
-
Upper Devonian
-
Brallier Shale (1)
-
Hampshire Formation (1)
-
Jefferson Group (1)
-
-
-
Dunkard Group (1)
-
Helderberg Group (1)
-
Honaker Trail Formation (1)
-
Keyser Limestone (1)
-
Knox Group (2)
-
lower Paleozoic
-
Ashe Formation (1)
-
Chopawamsic Formation (1)
-
Conococheague Formation (2)
-
Wilmington Complex (2)
-
-
Ordovician
-
Chickamauga Group (1)
-
Lexington Limestone (1)
-
Lower Ordovician
-
Ellenburger Group (1)
-
-
Middle Ordovician
-
Galena Dolomite (1)
-
Platteville Formation (1)
-
-
Upper Ordovician
-
Cincinnatian (1)
-
-
-
Permian
-
Cutler Formation (1)
-
Guadalupian
-
Brushy Canyon Formation (1)
-
-
Kaibab Formation (1)
-
Lyons Sandstone (1)
-
Park City Formation (1)
-
Toroweap Formation (1)
-
Upper Permian (1)
-
-
Silurian
-
Lower Silurian
-
Brassfield Formation (1)
-
Llandovery (1)
-
Tuscarora Formation (1)
-
Wenlock (1)
-
-
Middle Silurian
-
McKenzie Formation (1)
-
-
Upper Silurian
-
Cayugan
-
Tonoloway Limestone (1)
-
-
Salina Group (1)
-
-
-
Talladega Group (1)
-
upper Paleozoic
-
Fountain Formation (2)
-
-
Wissahickon Formation (3)
-
-
Phanerozoic (3)
-
Precambrian
-
Animikie Group (1)
-
Archean
-
Neoarchean (1)
-
Paleoarchean (1)
-
-
Baltimore Gneiss (1)
-
Biwabik Iron Formation (1)
-
Catoctin Formation (2)
-
North Shore Volcanics (3)
-
Purcell System (1)
-
Uinta Mountain Group (2)
-
upper Precambrian
-
Proterozoic
-
Algonkian
-
Baraboo Quartzite (1)
-
-
Keweenawan (1)
-
Mesoproterozoic
-
Belt Supergroup (5)
-
-
Neoproterozoic
-
Cryogenian (1)
-
Ediacaran (2)
-
Lynchburg Formation (2)
-
Sturtian (3)
-
Vendian (1)
-
-
Paleoproterozoic
-
Virginia Formation (1)
-
-
Pocatello Formation (2)
-
-
-
-
-
igneous rocks
-
igneous rocks
-
granophyre (1)
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peperite (1)
-
plutonic rocks
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anorthosite (4)
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diabase (2)
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diorites
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tonalite (4)
-
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gabbros
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troctolite (1)
-
-
granites
-
leucogranite (1)
-
-
granodiorites (2)
-
monzodiorite (1)
-
monzonites (1)
-
ultramafics
-
peridotites
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dunite (1)
-
harzburgite (1)
-
-
-
-
porphyry (1)
-
volcanic rocks
-
andesites (1)
-
basalts
-
alkali basalts
-
alkali olivine basalt (1)
-
-
columnar basalt (1)
-
flood basalts (9)
-
mid-ocean ridge basalts (1)
-
ocean-island basalts (1)
-
tholeiite (1)
-
-
dacites (1)
-
glasses
-
obsidian (1)
-
-
pyroclastics
-
hyaloclastite (1)
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ignimbrite (3)
-
pumice (2)
-
rhyolite tuff (1)
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scoria (1)
-
tuff (6)
-
-
rhyodacites (1)
-
rhyolites (5)
-
-
-
ophiolite (4)
-
volcanic ash (3)
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wehrlite (1)
-
-
metamorphic rocks
-
metamorphic rocks
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amphibolites (3)
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cataclasites (2)
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eclogite (2)
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gneisses
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biotite gneiss (1)
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orthogneiss (3)
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paragneiss (1)
-
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granulites (1)
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impactites
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impact breccia (3)
-
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marbles (5)
-
metacarbonate rocks (1)
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metaigneous rocks
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metagabbro (1)
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metaperidotite (2)
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serpentinite (1)
-
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metasedimentary rocks
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paragneiss (1)
-
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metasomatic rocks
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serpentinite (1)
-
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metavolcanic rocks (2)
-
migmatites
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-
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mylonites
-
pseudotachylite (3)
-
ultramylonite (1)
-
-
quartzites (1)
-
schists
-
blueschist (1)
-
-
-
ophiolite (4)
-
turbidite (4)
-
-
minerals
-
carbonates
-
aragonite (1)
-
calcite (2)
-
dolomite (2)
-
-
halides
-
chlorides
-
halite (1)
-
-
-
phosphates
-
monazite (2)
-
-
silicates
-
chain silicates
-
amphibole group
-
clinoamphibole
-
hornblende (1)
-
-
-
-
framework silicates
-
feldspar group
-
plagioclase (1)
-
-
-
orthosilicates
-
nesosilicates
-
sillimanite (1)
-
staurolite (1)
-
zircon group
-
zircon (20)
-
-
-
-
sheet silicates
-
mica group
-
biotite (1)
-
-
-
-
sulfides
-
chalcocite (1)
-
-
tellurides (1)
-
wehrlite (1)
-
-
Primary terms
-
absolute age (39)
-
academic institutions (1)
-
Africa
-
North Africa
-
Atlas Mountains
-
Moroccan Atlas Mountains
-
High Atlas (1)
-
-
-
Morocco
-
Moroccan Atlas Mountains
-
High Atlas (1)
-
-
-
Tunisia (1)
-
-
Southern Africa
-
South Africa
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Free State South Africa
-
Vredefort Dome (1)
-
-
-
-
-
Arctic Ocean
-
Beaufort Sea (1)
-
-
Asia
-
Arabian Peninsula
-
Oman
-
Oman Mountains (1)
-
-
-
Far East
-
China
-
Guizhou China (1)
-
Nanpanjiang Basin (1)
-
South China Block (1)
-
-
Japan
-
Kyushu (2)
-
-
-
Himalayas (1)
-
Indian Peninsula
-
India (1)
-
Jammu and Kashmir
-
Ladakh (1)
-
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Pakistan (1)
-
-
-
associations (8)
-
Atlantic Ocean
-
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