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NARROW
Format
Article Type
Journal
Publisher
Section
GeoRef Subject
-
all geography including DSDP/ODP Sites and Legs
-
Africa
-
Central Africa
-
Angola (2)
-
Congo (1)
-
-
East Africa
-
Ethiopia (1)
-
Tanzania (1)
-
-
North Africa
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Algeria (2)
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Egypt (2)
-
Libya (1)
-
Morocco
-
Tafilalt (1)
-
-
Tunisia
-
El Kef Tunisia (2)
-
-
-
Southern Africa
-
South Africa (6)
-
-
West Africa
-
Ghana (1)
-
Ivory Coast (1)
-
Niger (1)
-
Niger River (1)
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Nigeria (2)
-
-
-
Arctic Ocean
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Chukchi Sea (1)
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Norwegian Sea (1)
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-
Arctic region
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Greenland
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East Greenland (1)
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Jameson Land (1)
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Russian Arctic
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Novaya Zemlya (1)
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-
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Asia
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Arabian Peninsula
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Kuwait (1)
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Oman (1)
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Saudi Arabia (2)
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United Arab Emirates
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Abu Dhabi (3)
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-
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Far East
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Borneo
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Brunei (1)
-
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China
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Henan China (1)
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Jilin China (1)
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Liaoning China (1)
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Xinjiang China
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Junggar (1)
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Yangtze River (1)
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Indonesia (1)
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Japan (1)
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Laos (1)
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Lesser Sunda Islands
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Timor (1)
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Mongolia (1)
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Thailand (1)
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Indian Peninsula
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Afghanistan (1)
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India (1)
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Middle East
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Dead Sea (1)
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Iran
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Elburz (1)
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Israel (3)
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Siberia (1)
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Atlantic Ocean
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North Atlantic
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Blake Plateau
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Blake Nose (1)
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Caribbean Sea (1)
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Celtic Sea (1)
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English Channel (1)
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Gulf of Mexico
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Florida Bay (2)
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Mississippi Canyon (1)
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Orca Basin (1)
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Yucatan Shelf (2)
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North Sea
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Viking Graben (1)
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Northwest Atlantic
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Demerara Rise (1)
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Porcupine Basin (1)
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South Atlantic
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Espirito Santo Basin (1)
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Rio Grande Rise (1)
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Southeast Atlantic (1)
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Atlantic Ocean Islands
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Bermuda (2)
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Australasia
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Australia
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Queensland Australia (1)
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Victoria Australia
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Gippsland Basin (1)
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Western Australia
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Canning Basin (1)
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-
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New Zealand (3)
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Baffin Bay (6)
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Barton Springs (1)
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Bass River (2)
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Bell Creek Field (1)
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Black Hills (3)
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Burgos Basin (1)
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Campos Basin (1)
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Canada
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Eastern Canada
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Newfoundland and Labrador
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Labrador (1)
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Newfoundland
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Port au Port Peninsula (1)
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-
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Ontario
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Northumberland County Ontario (1)
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Ottawa Ontario (1)
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Simcoe County Ontario (1)
-
-
Quebec
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Charlevoix (1)
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Horne Mine (1)
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Noranda Quebec (1)
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-
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Mackenzie Mountains (1)
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Nunavut (2)
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Queen Elizabeth Islands
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Parry Islands (1)
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Ungava (1)
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Western Canada
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Alberta (11)
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British Columbia (5)
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Manitoba (2)
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Northwest Territories (2)
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Saskatchewan (4)
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Yukon Territory (3)
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Caribbean region
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West Indies
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Antilles
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Greater Antilles
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Cuba
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Pinar del Rio Cuba
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Sierra de los Organos (1)
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-
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Hispaniola
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Haiti
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Beloc Haiti (1)
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-
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Jamaica (3)
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Puerto Rico (2)
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Lesser Antilles
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Trinidad and Tobago
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Trinidad (1)
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Virgin Islands (1)
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-
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Bahamas (3)
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-
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Central America
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Belize (4)
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Guatemala (3)
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Honduras (1)
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Panama (1)
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Central Basin (2)
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Chicxulub Crater (6)
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Colombian Basin (1)
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Colorado River (16)
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Commonwealth of Independent States
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Dnieper-Donets Basin (1)
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Russian Federation
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Arkhangelsk Russian Federation
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Novaya Zemlya (1)
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Orenburg Russian Federation (1)
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Russian Arctic
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Novaya Zemlya (1)
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Urals
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Novaya Zemlya (1)
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Southern Urals (1)
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Cornwallis Island (1)
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Corpus Christi Bay (1)
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Cortez Mountains (1)
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Diablo Platform (1)
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East Pacific Ocean Islands
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Hawaii (1)
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Midway (1)
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Eugene Island (1)
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Europe
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Alps
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Eastern Alps
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Dolomites (2)
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Arkhangelsk Russian Federation
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Novaya Zemlya (1)
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Carpathians (1)
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Central Europe
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Germany
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Lower Saxony Germany (2)
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Poland (2)
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Dnieper-Donets Basin (1)
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Jura Mountains (1)
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Jutland (1)
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Orenburg Russian Federation (1)
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Southern Europe
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Iberian Peninsula
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Portugal (2)
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Spain
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Basque Provinces Spain
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Ebro Basin (1)
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Murcia Spain
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Navarra Spain (1)
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Valencia region
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Alicante Spain (1)
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Italy
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Trentino-Alto Adige Italy
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Alto Adige (1)
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Yugoslavia (2)
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Western Europe
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France
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Hautes-Alpes France (1)
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Paris Basin (1)
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Ireland (1)
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Scandinavia
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Denmark
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Stevns Klint (1)
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Sweden
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Gotland Sweden (1)
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-
-
United Kingdom
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Great Britain
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England
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Kent England
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Folkestone England (1)
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London Basin (1)
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Northumberland England (1)
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Wessex Basin (1)
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Scotland (2)
-
-
Northern Ireland (1)
-
-
-
-
Franklin Mountains (10)
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Front Range (3)
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Glass Mountains (26)
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Green River basin (1)
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Guadalupe Mountains (25)
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Guadalupe River (1)
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Gulf of Mexico Basin (13)
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Indian Ocean
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Andaman Sea (1)
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Arabian Sea
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Persian Gulf (1)
-
-
Bay of Bengal (1)
-
Red Sea
-
Gulf of Suez (1)
-
-
-
International Ocean Discovery Program (1)
-
Iron Mountain (1)
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James River (1)
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Laguna Madre (5)
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Llanos (1)
-
Long Valley (1)
-
Malay Archipelago
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Borneo
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Brunei (1)
-
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Timor (1)
-
-
Marathon Basin (18)
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Maverick Basin (11)
-
Mexico
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Baja California Mexico (1)
-
Chihuahua Mexico (6)
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Coahuila Mexico (5)
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Colorado River delta (2)
-
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Mustang Island (6)
-
North America
-
Appalachian Basin (8)
-
Appalachians
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Cumberland Plateau (1)
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Northern Appalachians (1)
-
-
Basin and Range Province
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Great Basin (2)
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Chihuahuan Desert (1)
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Great Lakes
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Lake Michigan (1)
-
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Great Lakes region (1)
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Great Plains
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Southern Great Plains (12)
-
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Gulf Coastal Plain (317)
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Hueco Bolson (3)
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Keweenawan Rift (1)
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Michigan Basin (2)
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North American Craton (1)
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Pedregosa Basin (2)
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Rio Grande Rift (3)
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Rocky Mountains
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Northern Rocky Mountains (2)
-
U. S. Rocky Mountains
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Little Belt Mountains (1)
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Wet Mountains (1)
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-
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Sonoran Desert (2)
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Sweetgrass Arch (1)
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Western Canada Sedimentary Basin (4)
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Western Interior
-
Western Interior Seaway (4)
-
-
Western Overthrust Belt (2)
-
Williston Basin (5)
-
Yukon River (1)
-
-
North Slope (2)
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North West Shelf (1)
-
Oceania
-
Micronesia
-
Marshall Islands
-
Enewetak Atoll (1)
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-
-
Polynesia
-
Hawaii (1)
-
-
-
Pacific Ocean
-
East Pacific
-
Northeast Pacific
-
Cascadia Basin (1)
-
Gulf of Alaska (1)
-
-
-
North Pacific
-
Northeast Pacific
-
Cascadia Basin (1)
-
Gulf of Alaska (1)
-
-
-
South Pacific
-
Southwest Pacific
-
Coral Sea
-
Great Barrier Reef (2)
-
-
-
-
West Pacific
-
Southwest Pacific
-
Coral Sea
-
Great Barrier Reef (2)
-
-
-
-
-
Padre Island (7)
-
Permian Basin (45)
-
Perth Basin (1)
-
Raton Basin (1)
-
Red Mountain (1)
-
Red River (4)
-
Rio Grande (6)
-
Rio Grande Valley (3)
-
Roberts Mountains (1)
-
Russian Platform
-
Dnieper-Donets Basin (1)
-
-
Sabine Lake (2)
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Sacramento River (1)
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Sacramento Valley (1)
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San Andreas Fault (1)
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San Joaquin Basin (4)
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San Juan Basin (1)
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Sand Hills (1)
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Santa Clara Valley (1)
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Shark Bay (2)
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Sierra Blanca (2)
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Slick Hills (1)
-
South America
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Andes (1)
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Argentina (1)
-
Brazil
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Para Brazil (1)
-
-
Chile (1)
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Colombia (2)
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Precordillera (1)
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Venezuela (3)
-
-
Southern Ocean (1)
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Trinity River (7)
-
United States
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Alabama
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Choctaw County Alabama (1)
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-
Alaska (4)
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Amite River (1)
-
Anadarko Basin (34)
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Ardmore Basin (17)
-
Arizona
-
Cochise County Arizona
-
Tombstone Arizona (1)
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Pima County Arizona (1)
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Yuma County Arizona
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Yuma Arizona (1)
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Arkansas
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Conway County Arkansas (1)
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Garland County Arkansas (2)
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Montgomery County Arkansas (1)
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Polk County Arkansas (1)
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Pulaski County Arkansas (2)
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Saline County Arkansas (2)
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Searcy County Arkansas (3)
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Van Buren County Arkansas (2)
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Arkansas River (1)
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Arkoma Basin (10)
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Atlantic Coastal Plain
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Southern Atlantic Coastal Plain (3)
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Bighorn Basin (1)
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Black Warrior Basin (1)
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California
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Central California (1)
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Imperial County California
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East Mesa KGRA (1)
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Kern County California (2)
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Kings County California (1)
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Los Angeles Basin (2)
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Salton Sea (1)
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San Benito County California
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Hollister California (1)
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San Diego County California (1)
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San Francisco Bay region (1)
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San Francisco County California
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San Francisco California (1)
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San Joaquin Valley (1)
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Southern California (2)
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Tehachapi Mountains (1)
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Yosemite National Park (1)
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Canadian River (4)
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Central Basin Platform (9)
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Cheyenne Belt (1)
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Colorado
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Fremont County Colorado (1)
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Weld County Colorado (2)
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Wet Mountains (1)
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Colorado Plateau (4)
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Delaware (1)
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Delaware Basin (32)
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Denver Basin (3)
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Eastern U.S.
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Southeastern U.S. (2)
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Florida
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Florida Panhandle (1)
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Orange County Florida (1)
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Forest City Basin (1)
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Georgia
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Walker County Georgia (1)
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Great Basin (2)
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Hardeman Basin (7)
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Hawaii (1)
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High Plains Aquifer (2)
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Hueco Mountains (4)
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Hugoton Embayment (1)
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Idaho
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Bonneville County Idaho (1)
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-
Illinois
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Champaign County Illinois (1)
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DeKalb County Illinois (1)
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Fayette County Illinois (1)
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Livingston County Illinois (1)
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Mazon Creek (1)
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Pike County Illinois (1)
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Randolph County Illinois (1)
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Saline County Illinois (1)
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Union County Illinois (1)
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Illinois Basin (3)
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Indiana
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Dearborn County Indiana (1)
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Jennings County Indiana (1)
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Lawrence County Indiana (1)
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Iowa
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Adair County Iowa (1)
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Boone County Iowa (1)
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Jones County Iowa (1)
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Kansas
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Johnson County Kansas (1)
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Linn County Kansas (1)
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Miami County Kansas (1)
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Montgomery County Kansas (1)
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Russell County Kansas (1)
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Wilson County Kansas (1)
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Kentucky
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Allen County Kentucky (1)
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Kentucky River Fault (1)
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Rough Creek fault zone (1)
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Llano Estacado (5)
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Louisiana
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Atchafalaya River (1)
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Cameron Parish Louisiana (1)
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Winn Parish Louisiana (1)
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Winnfield salt dome (1)
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Maryland (3)
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Massachusetts
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Barnstable County Massachusetts
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Cape Cod
-
Monomoy Island (1)
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Michigan
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Michigan Lower Peninsula
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Ionia County Michigan (1)
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Kent County Michigan (1)
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-
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Midcontinent (31)
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Midwest (12)
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Minnesota (2)
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Mississippi
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Choctaw County Mississippi (1)
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Hancock County Mississippi (1)
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Tippah County Mississippi (2)
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Union County Mississippi (2)
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Mississippi Delta (2)
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Mississippi Embayment (2)
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Mississippi River (3)
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Missouri
-
Boone County Missouri
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Columbia Missouri (1)
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Maries County Missouri (1)
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Saint Francois County Missouri (1)
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Saint Francois Mountains (4)
-
Saint Louis County Missouri (1)
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Stoddard County Missouri (1)
-
-
Montana
-
Big Snowy Mountains (1)
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Broadwater County Montana (1)
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Jefferson County Montana (1)
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Little Belt Mountains (1)
-
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Moxa Arch (1)
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Nebraska
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Cass County Nebraska (1)
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Dawes County Nebraska (1)
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Kimball County Nebraska (1)
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Sioux County Nebraska (1)
-
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Nevada
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Arrow Canyon Range (1)
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Clark County Nevada (1)
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Egan Range (1)
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Eureka County Nevada (1)
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Nevada Test Site (1)
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Nye County Nevada
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Yucca Mountain (1)
-
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White Pine County Nevada (1)
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New Jersey
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Burlington County New Jersey (1)
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Monmouth County New Jersey (2)
-
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New Madrid region (4)
-
New Mexico
-
Datil-Mogollon volcanic field (2)
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Eddy County New Mexico
-
Carlsbad Caverns (1)
-
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Jemez Lineament (2)
-
Jornada del Muerto (1)
-
Lea County New Mexico (2)
-
Luna County New Mexico
-
Florida Mountains (1)
-
-
Rio Arriba County New Mexico (1)
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Roosevelt County New Mexico (1)
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Sandoval County New Mexico (1)
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Sierra County New Mexico (1)
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Tularosa Basin (1)
-
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New York
-
Westchester County New York (1)
-
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North Carolina
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Greene County North Carolina (1)
-
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North Dakota
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Billings County North Dakota (1)
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Williams County North Dakota (1)
-
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Ohio
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Coshocton County Ohio (1)
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Jackson County Ohio (1)
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Lawrence County Ohio (1)
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Morrow County Ohio (1)
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Muskingum County Ohio (1)
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Warren County Ohio (1)
-
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Oklahoma
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Arbuckle Anticline (2)
-
Arbuckle Mountains (67)
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Atoka County Oklahoma (2)
-
Beaver County Oklahoma (1)
-
Beckham County Oklahoma (4)
-
Bryan County Oklahoma (3)
-
Caddo County Oklahoma (13)
-
Carter County Oklahoma (41)
-
Cleveland County Oklahoma
-
Norman Oklahoma (1)
-
-
Coal County Oklahoma (5)
-
Comanche County Oklahoma (29)
-
Cotton County Oklahoma (1)
-
Criner Hills (10)
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Garvin County Oklahoma (8)
-
Grady County Oklahoma (8)
-
Greer County Oklahoma (4)
-
Harmon County Oklahoma (1)
-
Jackson County Oklahoma (3)
-
Johnston County Oklahoma (8)
-
Kiowa County Oklahoma (16)
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Le Flore County Oklahoma (1)
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Lincoln County Oklahoma (1)
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Logan County Oklahoma (3)
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Love County Oklahoma (3)
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Marshall County Oklahoma (3)
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McClain County Oklahoma (1)
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Meers Fault (12)
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Murray County Oklahoma (27)
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Nowata County Oklahoma (1)
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Okfuskee County Oklahoma (1)
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Pawnee County Oklahoma (1)
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Payne County Oklahoma (1)
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Pontotoc County Oklahoma (25)
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Pottawatomie County Oklahoma (2)
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Pushmataha County Oklahoma (2)
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Roger Mills County Oklahoma (1)
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Stephens County Oklahoma (5)
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Tillman County Oklahoma (8)
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Tulsa Oklahoma (1)
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Washington County Oklahoma (1)
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Wichita Mountains (49)
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Wichita Uplift (4)
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Oregon (2)
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Pennsylvania
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Powder River basin (1)
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Sabine Uplift (7)
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South Dakota
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Southern Oklahoma Aulacogen (7)
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Tennessee
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Texas
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Anderson County Texas (1)
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Archer County Texas (8)
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Atascosa County Texas (1)
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Austin County Texas (1)
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Balcones fault zone (4)
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Bastrop County Texas (15)
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Baylor County Texas (19)
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Bell County Texas (7)
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Bexar County Texas
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San Antonio Texas (2)
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Blanco County Texas (9)
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Bosque County Texas (1)
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Brazoria County Texas (1)
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Brazos County Texas (16)
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Brazos River (31)
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Brown County Texas (12)
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Burleson County Texas (10)
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Burnet County Texas (23)
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Caldwell County Texas (2)
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Callahan County Texas (2)
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Cass County Texas (1)
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Cherokee County Texas (1)
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Clay County Texas (1)
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Coleman County Texas (2)
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Collin County Texas (4)
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Colorado County Texas (1)
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Proboscidea
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Insecta
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Ogallala Formation (6)
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Paleogene
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Green River Formation (1)
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lower Eocene (33)
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middle Eocene
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Carrizo Sand (8)
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Claiborne Group (13)
-
Cook Mountain Formation (3)
-
Lisbon Formation (1)
-
Queen City Formation (5)
-
Sparta Sand (2)
-
Yegua Formation (14)
-
-
upper Eocene
-
Chadronian (1)
-
Jackson Group (11)
-
Moodys Branch Formation (1)
-
Piney Point Formation (1)
-
Tejon Formation (1)
-
Yazoo Clay (1)
-
-
-
lower Paleogene (2)
-
Oligocene
-
Frio Formation (47)
-
Hackberry Formation (2)
-
lower Oligocene (3)
-
middle Oligocene (4)
-
upper Oligocene (1)
-
Vicksburg Group (10)
-
-
Paleocene
-
Clayton Formation (1)
-
lower Paleocene
-
Danian (5)
-
K-T boundary (13)
-
Puercan (1)
-
Torrejonian (1)
-
-
Midway Group (3)
-
upper Paleocene
-
Clarkforkian (1)
-
Tiffanian (1)
-
-
-
Paleocene-Eocene Thermal Maximum (3)
-
Renova Formation (1)
-
Sespe Formation (1)
-
White River Group (2)
-
Wilcox Group (45)
-
-
-
upper Cenozoic (1)
-
-
Coal Measures (1)
-
Mesozoic
-
Cretaceous
-
Comanchean
-
Antlers Sands (3)
-
Buda Limestone (8)
-
Comanche Peak Limestone (2)
-
Edwards Formation (13)
-
Fredericksburg Group (6)
-
Georgetown Formation (2)
-
Glen Rose Formation (19)
-
Paluxy Formation (3)
-
Pearsall Formation (2)
-
Rodessa Formation (2)
-
Travis Peak Formation (8)
-
Trinity Group (7)
-
Washita Group (11)
-
-
Lower Cretaceous
-
Albian
-
upper Albian (5)
-
-
Antlers Sands (3)
-
Aptian (6)
-
Cheyenne Sandstone (1)
-
Comanche Peak Limestone (2)
-
Cupido Formation (1)
-
Edwards Formation (13)
-
Fredericksburg Group (6)
-
Gault Clay (1)
-
Georgetown Formation (2)
-
Glen Rose Formation (19)
-
Hosston Formation (4)
-
Kiowa Formation (1)
-
Muddy Sandstone (1)
-
Paluxy Formation (3)
-
Pearsall Formation (2)
-
Rodessa Formation (2)
-
Sligo Formation (3)
-
Travis Peak Formation (8)
-
Trinity Group (7)
-
-
Middle Cretaceous (6)
-
Potomac Group (1)
-
Upper Cretaceous
-
Buda Limestone (8)
-
Campanian
-
lower Campanian (1)
-
-
Cenomanian (27)
-
Coniacian (4)
-
Eutaw Formation (1)
-
Ferron Sandstone Member (1)
-
Gulfian
-
Aguja Formation (2)
-
Austin Chalk (33)
-
Austin Group (20)
-
Eagle Ford Formation (65)
-
Navarro Group (6)
-
Olmos Formation (1)
-
Prairie Bluff Chalk (3)
-
Taylor Marl (6)
-
Woodbine Formation (24)
-
-
Judith River Formation (1)
-
Kirtland Shale (1)
-
K-T boundary (13)
-
Lewis Shale (1)
-
Maestrichtian (11)
-
Mesaverde Group (1)
-
Navesink Formation (1)
-
Niobrara Formation (2)
-
Ojo Alamo Sandstone (1)
-
Pictured Cliffs Sandstone (1)
-
Ripley Formation (3)
-
Santonian (3)
-
Senonian (19)
-
Turonian (13)
-
Tuscaloosa Formation (2)
-
Two Medicine Formation (1)
-
-
-
Franciscan Complex (1)
-
Jurassic
-
Bazhenov Formation (1)
-
Fort Dodge Gypsum (1)
-
Middle Jurassic (1)
-
Norphlet Formation (3)
-
Posidonia Shale (2)
-
Upper Jurassic
-
Bossier Formation (6)
-
Buckner Formation (1)
-
Cotton Valley Group (14)
-
Entrada Sandstone (1)
-
Haynesville Formation (9)
-
Kimmeridge Clay (1)
-
Kimmeridgian (1)
-
Morrison Formation (1)
-
Schuler Formation (4)
-
Smackover Formation (15)
-
Tithonian (1)
-
-
-
lower Mesozoic (2)
-
Newark Supergroup (1)
-
Triassic
-
Lower Triassic
-
Permian-Triassic boundary (1)
-
-
Middle Triassic
-
Ladinian (1)
-
-
Mole Granite (1)
-
Upper Triassic
-
Carnian (1)
-
Chinle Formation (2)
-
Dockum Group (6)
-
Lockatong Formation (2)
-
-
-
-
Paleozoic
-
Arbuckle Group (11)
-
Bird Spring Formation (1)
-
Cambrian
-
Acadian (1)
-
Glen Mountains Complex (1)
-
Lower Cambrian (2)
-
Middle Cambrian
-
Marjum Formation (1)
-
Mount Scott Granite (2)
-
-
Upper Cambrian
-
Bonneterre Formation (1)
-
Furongian
-
Jiangshanian (1)
-
-
Lamotte Sandstone (1)
-
Maynardville Limestone (1)
-
Mount Simon Sandstone (1)
-
Orr Formation (1)
-
Reagan Sandstone (2)
-
Timbered Hills Group (1)
-
Trempealeauan (2)
-
Wilberns Formation (10)
-
-
-
Carboniferous
-
Diamond Peak Formation (1)
-
Jackfork Group (1)
-
Lower Carboniferous
-
Dinantian (3)
-
-
Mississippian
-
Barnett Shale (69)
-
Lower Mississippian
-
Chappel Limestone (4)
-
Chouteau Limestone (1)
-
Kinderhookian (1)
-
Lodgepole Formation (1)
-
Osagian (3)
-
Tournaisian (1)
-
-
Middle Mississippian (1)
-
Stanley Group (1)
-
Upper Mississippian
-
Chesterian
-
Imo Formation (6)
-
-
Fayetteville Formation (1)
-
Meramecian
-
Saint Louis Limestone (1)
-
Sainte Genevieve Limestone (1)
-
Salem Limestone (1)
-
-
Pennington Formation (2)
-
-
-
Pennsylvanian
-
Lower Pennsylvanian
-
Bashkirian (1)
-
Haymond Formation (6)
-
Morrowan (18)
-
-
Marble Falls Group (17)
-
Middle Pennsylvanian
-
Atokan
-
Atoka Formation (7)
-
-
Desmoinesian
-
Boggy Shale (1)
-
Labette Shale (1)
-
Wewoka Formation (2)
-
-
Moscovian (1)
-
-
Morrow Formation (2)
-
Smithwick Shale (2)
-
Strawn Series (14)
-
Upper Pennsylvanian
-
Canyon Group (12)
-
Cisco Group (12)
-
Gzhelian (2)
-
Missourian
-
Kansas City Group (1)
-
-
Virgilian
-
Shawnee Group (1)
-
-
-
Wapanucka Limestone (1)
-
Westerly Granite (1)
-
-
Springer Formation (2)
-
Tesnus Formation (6)
-
Upper Carboniferous
-
Millstone Grit (1)
-
Stephanian (1)
-
Westphalian (1)
-
-
-
Deadwood Formation (1)
-
Devonian
-
Lower Devonian
-
Lochkovian (2)
-
-
Middle Devonian
-
Marcellus Shale (2)
-
Onondaga Limestone (1)
-
-
Upper Devonian
-
Frasnian (1)
-
Nisku Formation (1)
-
-
-
Dunkard Group (1)
-
Hunton Group (11)
-
lower Paleozoic
-
Cape Phillips Formation (2)
-
-
Magdalena Group (1)
-
Manhattan Formation (1)
-
middle Paleozoic (1)
-
New Albany Shale (1)
-
Ordovician
-
Antelope Valley Limestone (1)
-
Lower Ordovician
-
Arenigian (1)
-
El Paso Group (4)
-
Ellenburger Group (28)
-
Fillmore Formation (1)
-
Ibexian (1)
-
Kindblade Formation (4)
-
Prairie du Chien Group (1)
-
-
Middle Ordovician
-
Bigfork Chert (1)
-
Blackriverian (3)
-
Bromide Formation (18)
-
Darriwilian (1)
-
Galena Dolomite (1)
-
Platteville Formation (1)
-
Simpson Group (10)
-
Whiterockian (1)
-
Woods Hollow Shale (2)
-
-
Montoya Group (8)
-
Trenton Group (2)
-
Upper Ordovician
-
Caradocian (1)
-
Cincinnatian
-
Richmondian (2)
-
-
Fernvale Formation (1)
-
Maquoketa Formation (1)
-
Red River Formation (2)
-
Sandbian (2)
-
Trentonian (2)
-
-
Viola Limestone (8)
-
-
Permian
-
Blaine Formation (3)
-
Castile Formation (6)
-
Chase Group (1)
-
Council Grove Group (1)
-
Cutler Formation (2)
-
Glorieta Sandstone (1)
-
Guadalupian
-
Bell Canyon Formation (8)
-
Brushy Canyon Formation (3)
-
Capitan Formation (12)
-
Cherry Canyon Formation (7)
-
Delaware Mountain Group (2)
-
Roadian (2)
-
Tansill Formation (3)
-
Wordian (1)
-
-
Hennessey Formation (7)
-
Kaibab Formation (3)
-
Lower Permian
-
Abo Formation (1)
-
Cherry Canyon Formation (7)
-
Cisuralian
-
Artinskian (1)
-
Asselian (1)
-
Kungurian (4)
-
-
Leonardian
-
Bone Spring Limestone (3)
-
Clear Fork Group (9)
-
-
Wichita Group (9)
-
Wolfcampian
-
Hueco Limestone (2)
-
-
-
Middle Permian (7)
-
Newcastle Coal Measures (1)
-
Phosphoria Formation (2)
-
Rustler Formation (3)
-
Upper Permian
-
Permian-Triassic boundary (1)
-
Salado Formation (5)
-
Zechstein (1)
-
-
Wellington Formation (2)
-
Yates Formation (2)
-
Yeso Formation (1)
-
-
Silurian
-
Henryhouse Formation (4)
-
Lower Silurian
-
Llandovery (1)
-
-
Middle Silurian
-
Keefer Sandstone (1)
-
Roberts Mountains Formation (1)
-
Waldron Shale (1)
-
-
-
-
-