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NARROW
Format
Article Type
Journal
Publisher
Section
GeoRef Subject
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all geography including DSDP/ODP Sites and Legs
-
Africa
-
Central Africa
-
Angola (1)
-
-
North Africa
-
Algeria (1)
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Atlas Mountains
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Moroccan Atlas Mountains
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Anti-Atlas (1)
-
-
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Egypt (1)
-
Libya (2)
-
Morocco
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Moroccan Atlas Mountains
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Anti-Atlas (1)
-
-
-
-
Sahara (1)
-
Southern Africa
-
South Africa
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Transvaal region (1)
-
-
Zimbabwe (1)
-
-
West Africa
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Mauritanides (2)
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Nigeria
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Niger Delta (1)
-
-
-
West African Shield (1)
-
-
Amelia (2)
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Antarctica
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Antarctic ice sheet
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East Antarctic ice sheet (1)
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-
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Arctic Ocean
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Mendeleyev Ridge (1)
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Arctic region
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Greenland
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Peary Land (1)
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Svalbard
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Spitsbergen (2)
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-
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Asia
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Arabian Peninsula
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Oman (1)
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Saudi Arabia (1)
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Central Asia
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Kazakhstan (1)
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Far East
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Borneo
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East Malaysia
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Burma (1)
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China
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Guangxi China (1)
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Indonesia
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Java (1)
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Japan (2)
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Laos (1)
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Lesser Sunda Islands
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Timor (1)
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Malaysia
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East Malaysia
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Sarawak Malaysia (1)
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Himalayas (2)
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Indian Peninsula
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India (6)
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Middle East
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Popigay Structure (3)
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Atlantic Ocean
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North Atlantic
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Long Island Sound (1)
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North Sea (5)
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Northwest Atlantic (12)
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Wilmington Canyon (3)
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Atlantic Ocean Islands
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Bermuda (1)
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Atlantic region (15)
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Australasia
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Australia
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New South Wales Australia (1)
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Victoria Australia (1)
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Western Australia
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Canning Basin (1)
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Yilgarn Craton (1)
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-
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New Zealand
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Otago New Zealand
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Oamaru New Zealand (1)
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-
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Avalon Zone (12)
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Bathurst Island (1)
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Bay of Islands (1)
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Bear Creek valley (1)
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Beaver Creek (2)
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Beaver River (1)
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Blue Mountain (1)
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Caledonides (21)
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Canada
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Arctic Archipelago (1)
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Eastern Canada
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Gander Zone (5)
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James Bay (1)
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Maritime Provinces
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New Brunswick
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Gloucester County New Brunswick
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Bathurst New Brunswick (1)
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-
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Nova Scotia
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Antigonish County Nova Scotia (1)
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Cape Breton Island (1)
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Colchester County Nova Scotia (1)
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Minas Basin (1)
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-
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Meguma Terrane (1)
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Newfoundland and Labrador
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Labrador (2)
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Newfoundland
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Humber Arm Allochthon (1)
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Ontario
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Essex County Ontario
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Windsor Ontario (1)
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Hamilton Ontario (1)
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Kent County Ontario (1)
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Manitoulin District Ontario
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Manitoulin Island (3)
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Quebec
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Charlevoix (1)
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Gaspe Peninsula (6)
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Gaspe-Est County Quebec
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Gaspe Quebec (2)
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Gatineau Valley (1)
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Megantic County Quebec (1)
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Montreal and Jesus Islands County Quebec
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Montreal Quebec (1)
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Quebec City Quebec (1)
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Sherbrooke County Quebec (1)
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Mackenzie Mountains (3)
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Nunavut
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Ellesmere Island (1)
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Haughton impact structure (1)
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Queen Elizabeth Islands
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Ellesmere Island (1)
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Ungava (1)
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Western Canada
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Alberta
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Alberta Basin (1)
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Peace River Arch (1)
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British Columbia
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Skeena Mountains (1)
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Canadian Cordillera (2)
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Manitoba
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Northwest Territories (5)
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Caribbean region
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Antilles
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Central America
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Central Basin (3)
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Chesapeake Bay impact structure (52)
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Commonwealth of Independent States
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Russian Federation
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Ukraine
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Dunnage Melange (2)
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Dunnage Zone (7)
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Europe
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Alps
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Baltic region
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Estonia (2)
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Latvia (1)
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Carpathians (1)
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Central Europe
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Czech Republic
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Germany
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Franconia (1)
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Sauerland (1)
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Saxony Germany (1)
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Molasse Basin (1)
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Switzerland
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Swiss Alps (1)
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Donets Basin (3)
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Jura Mountains (2)
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Pannonian Basin (1)
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Pyrenees (5)
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Southern Europe
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Iberian Peninsula
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Iberian pyrite belt (1)
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Spain
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Andalusia Spain
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Huelva Spain
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Rio Tinto Spain (1)
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-
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Italy
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Calabria Italy (1)
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Ivrea-Verbano Zone (1)
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Sicily Italy
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Lipari Islands
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Vulcano (1)
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Pantelleria (1)
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-
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Yugoslavia (2)
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Tornquist-Teisseyre Zone (1)
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Ukraine
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Boltyshka Depression (1)
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Podolia (1)
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Variscides (2)
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Western Europe
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Ardennes (1)
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Belgium (2)
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France
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Aquitaine Basin (1)
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Armorican Massif (2)
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Central Massif (1)
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Hautes-Pyrenees France
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Lourdes France (1)
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Paris Basin (1)
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Rochechouart Crater (1)
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Tarn France (1)
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Ireland
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Galway Ireland (2)
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Netherlands (1)
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Scandinavia
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Denmark (2)
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Norway
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Oslo Graben (1)
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Ringerike (1)
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Sulitjelma (1)
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Sweden
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Gotland Sweden (1)
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Norrbotten Sweden
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Kiruna Sweden (1)
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United Kingdom
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Great Britain
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England
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Cambridge England (1)
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Lincolnshire England (1)
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Shropshire England (1)
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Wessex Basin (2)
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West Midlands (1)
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Scotland
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Ayrshire Scotland
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Girvan Scotland (1)
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Moine thrust zone (1)
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Scottish Highlands
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Grampian Highlands (1)
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-
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Wales
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Anglesey Wales (2)
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Pembrokeshire Wales
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Pembroke Wales (1)
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-
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Northern Ireland (1)
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-
-
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Fall Line (6)
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False Cape (1)
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Fire Island (2)
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Front Range (2)
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Grand Canyon (1)
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Grandfather Mountain (2)
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Great South Bay (1)
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Green Mountains (2)
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Green River basin (1)
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Hartford Basin (7)
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Highland Rim (1)
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Hunter Valley (2)
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Illinois River (1)
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Indian Ocean
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Bay of Bengal (1)
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Timor Sea
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Timor Trough (1)
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-
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Iron Mountain (1)
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James River (12)
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Kings Mountain (1)
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Lake Saint Clair (1)
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Lewis Creek (1)
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Long Island (2)
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Malay Archipelago
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Borneo
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East Malaysia
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Sarawak Malaysia (1)
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-
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Timor (1)
-
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Maritimes Basin (1)
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Mediterranean Sea (1)
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Mexico
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Baja California (1)
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Tabasco Mexico (1)
-
-
Mill Creek (2)
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Mohawk Valley (3)
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Mount Jefferson (1)
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New River (4)
-
Newport Bay (1)
-
North America
-
Appalachian Basin (207)
-
Appalachians
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Allegheny Mountains (7)
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Appalachian Plateau (69)
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Blue Ridge Mountains (15)
-
Blue Ridge Province (40)
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Carolina slate belt (2)
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Catskill Mountains (1)
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Central Appalachians (129)
-
Cumberland Plateau (1)
-
Great Appalachian Valley (10)
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Northern Appalachians (8)
-
Piedmont
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Inner Piedmont (1)
-
-
Southern Appalachians (30)
-
Valley and Ridge Province (118)
-
-
Basin and Range Province
-
Great Basin (3)
-
-
Canadian Shield
-
Grenville Province
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Central Gneiss Belt (1)
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Central Metasedimentary Belt (2)
-
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Slave Province (1)
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Superior Province
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Abitibi Belt (1)
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-
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Champlain Valley (2)
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Detroit River (2)
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Eastern Overthrust Belt (6)
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Great Lakes
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Lake Erie (49)
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Lake Huron (2)
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Lake Ontario (12)
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Great Lakes region (31)
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Great Plains (2)
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Grenville Front (9)
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Gulf Coastal Plain (21)
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Humber Zone (3)
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Keweenawan Rift (1)
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Michigan Basin (23)
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Mississippi River basin (1)
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Niagara Escarpment (2)
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Niagara Falls (1)
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Niagara River (2)
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North American Cordillera
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Canadian Cordillera (2)
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North American Craton (1)
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Rocky Mountains
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Canadian Rocky Mountains (3)
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U. S. Rocky Mountains
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Wind River Range (1)
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Saint Lawrence Lowlands (4)
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Saint Lawrence River (2)
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Saint Lawrence Valley (1)
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Western Canada Sedimentary Basin (2)
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Western Interior
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Western Interior Seaway (2)
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Williston Basin (2)
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North Island (1)
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Northern Hemisphere (2)
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Oceania
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Melanesia (1)
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Micronesia
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Marshall Islands
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Ottawa River (1)
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Outer Banks (2)
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Pacific Ocean
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East Pacific
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Northeast Pacific
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Cascadia Basin (1)
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-
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North Pacific
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Northeast Pacific
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Cascadia Basin (1)
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Northwest Pacific
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Nankai Trough (1)
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Shatsky Rise (1)
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West Pacific
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Northwest Pacific
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Nankai Trough (1)
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Palisades Sill (5)
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Permian Basin (2)
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South America
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Andes
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Argentina
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Pampean Mountains (1)
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Brazil
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Sao Paulo Brazil (2)
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Chile
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Colombia (1)
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Venezuela
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Orinoco Delta (1)
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-
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South Island (1)
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South Mountain (3)
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Southern Ocean
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Maud Rise (1)
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Sydney Basin (1)
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United States
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Alabama
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Chilton County Alabama (1)
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Clay County Alabama (1)
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Cleburne County Alabama (1)
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Coosa County Alabama (1)
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Etowah County Alabama (1)
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Walker County Alabama (1)
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Alaska
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Allegheny Front (8)
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Arkoma Basin (2)
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Bronson Hill Anticlinorium (3)
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San Francisco Bay region (1)
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San Mateo County California (1)
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Santa Barbara Channel (1)
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Santa Clara County California
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Carolina Terrane (3)
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Catskill Delta (33)
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Chesapeake Bay (61)
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Cincinnati Arch (51)
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Colorado
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Ouray County Colorado (1)
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Colorado Plateau (2)
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Connecticut
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Connecticut Valley (2)
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Culpeper Basin (15)
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Dan River basin (5)
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Delaware
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Kent County Delaware
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Dover Air Force Base (4)
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New Castle County Delaware
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Sussex County Delaware
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Bethany Beach Delaware (3)
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Delaware Basin (1)
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Delaware Bay (6)
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Delaware River (3)
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Delaware River basin (1)
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Delmarva Peninsula (17)
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Denver Basin (1)
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District of Columbia (22)
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Dunkard Basin (11)
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Eastern U.S.
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Northeastern U.S. (1)
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Southeastern U.S. (8)
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Florida
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Florida Keys (1)
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Leon County Florida (1)
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Sarasota County Florida (1)
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Georgia
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Gordon County Georgia (1)
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Iowa
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Lewis County Kentucky (6)
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Lincoln County Kentucky (2)
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Madison County Kentucky (3)
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Magoffin County Kentucky (2)
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iodine
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I-131 (1)
-
-
-
hydrogen
-
D/H (10)
-
deuterium (3)
-
-
isotope ratios (78)
-
isotopes
-
radioactive isotopes
-
Al-26 (2)
-
Be-10 (8)
-
Be-10/Be-9 (1)
-
C-14 (24)
-
Cr-51 (1)
-
Cs-137 (5)
-
I-131 (1)
-
K-40 (1)
-
Pb-206/Pb-204 (3)
-
Pb-207/Pb-204 (1)
-
Pb-208/Pb-204 (1)
-
Pb-210 (4)
-
Ra-228/Ra-226 (1)
-
Rn-222 (2)
-
Sm-147/Nd-144 (1)
-
-
stable isotopes
-
Ar-36 (1)
-
Be-10/Be-9 (1)
-
C-13 (1)
-
C-13/C-12 (57)
-
D/H (10)
-
deuterium (3)
-
He-4/He-3 (1)
-
Hf-177/Hf-176 (3)
-
N-15/N-14 (1)
-
Nd-144/Nd-143 (9)
-
O-18 (1)
-
O-18/O-16 (50)
-
Os-188/Os-187 (1)
-
Pb-206/Pb-204 (3)
-
Pb-207/Pb-204 (1)
-
Pb-208/Pb-204 (1)
-
S-34/S-32 (8)
-
Sm-147/Nd-144 (1)
-
Sr-87/Sr-86 (23)
-
-
-
metals
-
actinides
-
thorium (4)
-
uranium (7)
-
-
alkali metals
-
cesium
-
Cs-137 (5)
-
-
lithium (3)
-
potassium
-
K-40 (1)
-
-
rubidium (2)
-
sodium (2)
-
-
alkaline earth metals
-
barium (3)
-
beryllium
-
Be-10 (8)
-
Be-10/Be-9 (1)
-
-
calcium
-
Mg/Ca (2)
-
-
magnesium
-
Mg/Ca (2)
-
-
radium
-
Ra-228/Ra-226 (1)
-
-
strontium
-
Sr-87/Sr-86 (23)
-
-
-
aluminum
-
Al-26 (2)
-
-
antimony (1)
-
arsenic (4)
-
cadmium (1)
-
chromium
-
Cr-51 (1)
-
-
cobalt (1)
-
copper (13)
-
gallium (1)
-
germanium (1)
-
gold (1)
-
hafnium
-
Hf-177/Hf-176 (3)
-
-
iron
-
ferric iron (5)
-
ferrous iron (3)
-
-
lead
-
Pb-206/Pb-204 (3)
-
Pb-207/Pb-204 (1)
-
Pb-208/Pb-204 (1)
-
Pb-210 (4)
-
-
manganese (9)
-
mercury (2)
-
molybdenum (1)
-
nickel (5)
-
niobium (1)
-
platinum group
-
osmium
-
Os-188/Os-187 (1)
-
-
palladium (1)
-
platinum (1)
-
-
rare earths
-
cerium (1)
-
europium (1)
-
lutetium (1)
-
neodymium
-
Nd-144/Nd-143 (9)
-
Sm-147/Nd-144 (1)
-
-
samarium
-
Sm-147/Nd-144 (1)
-
-
-
silver (1)
-
tantalum (1)
-
tin (2)
-
titanium (8)
-
tungsten (1)
-
zinc (15)
-
zirconium (2)
-
-
nitrogen
-
N-15/N-14 (1)
-
-
noble gases
-
argon
-
Ar-36 (1)
-
-
helium
-
He-4/He-3 (1)
-
-
radon
-
Rn-222 (2)
-
-
-
oxygen
-
dissolved oxygen (2)
-
O-18 (1)
-
O-18/O-16 (50)
-
-
phosphorus (13)
-
selenium (3)
-
silicon (2)
-
sulfur
-
organic sulfur (2)
-
S-34/S-32 (8)
-
-
trace metals (6)
-
-
fossils
-
bacteria
-
coliform bacteria
-
Escherichia
-
Escherichia coli (1)
-
-
-
-
borings (19)
-
burrows (32)
-
Chordata
-
Vertebrata
-
Agnatha (1)
-
Pisces
-
Acanthodii (1)
-
Chondrichthyes
-
Elasmobranchii (1)
-
Holocephali (1)
-
-
Osteichthyes
-
Actinopterygii
-
Chondrostei
-
Palaeonisciformes (1)
-
-
Teleostei (1)
-
-
Sarcopterygii
-
Crossopterygii
-
Actinistia (1)
-
-
-
-
Placodermi
-
Arthrodira (3)
-
-
-
Tetrapoda
-
Amphibia
-
Labyrinthodontia
-
Temnospondyli (2)
-
-
Lepospondyli (2)
-
Lissamphibia
-
Caudata (1)
-
-
-
Aves (1)
-
Mammalia
-
Multituberculata (1)
-
Theria
-
Eutheria
-
Artiodactyla
-
Ruminantia
-
Bovidae (1)
-
-
Suiformes (1)
-
-
Cetacea
-
Archaeoceti (1)
-
-
Perissodactyla
-
Hippomorpha
-
Equidae (1)
-
-
-
Proboscidea
-
Mastodontoidea (1)
-
-
Rodentia (1)
-
-
Metatheria
-
Marsupialia (1)
-
-
-
-
Reptilia
-
Anapsida
-
Cotylosauria (1)
-
Testudines
-
Chelonia (2)
-
Cryptodira (1)
-
Emydidae (1)
-
-
-
Diapsida
-
Archosauria
-
Crocodilia
-
Eusuchia (1)
-
-
dinosaurs
-
Ornithischia
-
Ankylosauria (1)
-
Ornithopoda
-
Hadrosauridae (1)
-
-
-
-
-
Lepidosauria
-
Rhynchocephalia (1)
-
Squamata
-
Lacertilia
-
Mosasauridae (2)
-
-
-
-
Rhynchosauria (1)
-
-
Synapsida
-
Pelycosauria (3)
-
Therapsida
-
Dicynodontia (1)
-
-
-
-
-
-
-
coprolites (2)
-
Cyclostomata (1)
-
fungi (2)
-
Graptolithina
-
Graptoloidea
-
Diplograptina (1)
-
Monograptina
-
Monograptus
-
Monograptus uniformis (1)
-
-
-
-
-
Hemichordata (1)
-
ichnofossils
-
Cruziana (3)
-
Nereites (1)
-
Ophiomorpha (1)
-
Palaeophycus (1)
-
Planolites (1)
-
Rusophycus (2)
-
Skolithos (4)
-
Teichichnus (1)
-
Thalassinoides (1)
-
Trypanites (2)
-
-
Invertebrata
-
Archaeocyatha (1)
-
Arthropoda
-
Chelicerata
-
Arachnida (1)
-
Merostomata
-
Eurypterida (11)
-
-
-
Mandibulata
-
Crustacea
-
Branchiopoda (2)
-
Cirripedia (5)
-
Malacostraca
-
Callianassa (1)
-
-
Ostracoda
-
Beyrichicopina (1)
-
Kirkbyocopina (1)
-
Paleocopida (1)
-
Podocopida
-
Bairdiomorpha (1)
-
Cypridocopina (2)
-
-
-
-
Insecta
-
Pterygota
-
Neoptera
-
Endopterygota
-
Coleoptera (2)
-
Diptera
-
Chironomidae (1)
-
-
Trichoptera (1)
-
-
Exopterygota
-
Blattaria (1)
-
Hemiptera (1)
-
Thysanoptera (1)
-
-
-
-
-
Myriapoda (6)
-
-
Trilobitomorpha
-
Trilobita
-
Agnostida (2)
-
Lichida (1)
-
Phacopida
-
Phacopina
-
Phacops (1)
-
-
-
Ptychopariida
-
Asaphidae (1)
-
Cryptolithus (4)
-
Proetidae (2)
-
-
-
-
-
Brachiopoda
-
Articulata
-
Orthida (5)
-
Pentamerida (2)
-
Productida (1)
-
Rhynchonellida (1)
-
Spiriferida
-
Atrypidae (4)
-
Spiriferidina (1)
-
-
Strophomenida
-
Sowerbyella (5)
-
Strophomena (1)
-
-
Terebratulida (1)
-
-
Inarticulata
-
Lingula (2)
-
-
-
Bryozoa
-
Cryptostomata (1)
-
Ctenostomata (1)
-
Trepostomata (6)
-
-
Cnidaria
-
Anthozoa
-
Zoantharia
-
Rugosa (6)
-
Scleractinia (1)
-
Tabulata (1)
-
-
-
Hydrozoa (3)
-
Scyphozoa (1)
-
-
Echinodermata
-
Asterozoa
-
Stelleroidea
-
Asteroidea (5)
-
Ophiuroidea (5)
-
-
-
Crinozoa
-
Blastoidea (6)
-
Crinoidea (48)
-
Cystoidea (2)
-
Paracrinoidea (1)
-
-
Echinozoa
-
Cyclocystoidea (1)
-
Echinoidea (4)
-
Edrioasteroidea (8)
-
Ophiocistioidea (1)
-
-
-
Mollusca
-
Bivalvia
-
Heterodonta
-
Veneroida
-
Astartidae
-
Astarte (3)
-
-
Veneridae
-
Chione (1)
-
Mercenaria (1)
-
-
-
-
Nuculanidae (1)
-
Ostreoidea (3)
-
Palaeoheterodonta
-
Unionidae (1)
-
-
Pterioida
-
Pteriina
-
Anthraconaia (1)
-
Pectinacea
-
Pectinidae (2)
-
-
-
-
-
Cephalopoda
-
Ammonoidea
-
Goniatitida (3)
-
-
Nautiloidea (7)
-
-
Gastropoda
-
Archaeogastropoda (1)
-
Naticidae (4)
-
Neogastropoda
-
Muricidae (1)
-
-
Pteropoda (1)
-
Turritellidae (1)
-
-
Hyolithes (3)
-
Monoplacophora (3)
-
Polyplacophora (3)
-
Rostroconchia (3)
-
Scaphopoda
-
Dentalium (1)
-
-
-
Porifera
-
Demospongea (1)
-
Hexactinellida (1)
-
Stromatoporoidea (13)
-
-
Protista
-
Foraminifera
-
Fusulinina
-
Fusulinidae (3)
-
-
Rotaliina
-
Buliminacea
-
Bulimina (1)
-
Uvigerinidae
-
Uvigerina (1)
-
-
-
Rotaliacea
-
Ammonia
-
Ammonia beccarii (1)
-
-
Elphidium
-
Elphidium excavatum (1)
-
-
-
-
Textulariina
-
Lituolacea
-
Ammobaculites (1)
-
-
-
-
Radiolaria
-
Osculosida
-
Nassellina (1)
-
-
Spumellina (1)
-
-
Silicoflagellata (3)
-
Thecamoeba (1)
-
-
Vermes
-
Annelida (11)
-
Polychaeta (2)
-
scolecodonts (4)
-
-
-
lichens (1)
-
Metazoa (1)
-
microfossils
-
Charophyta (2)
-
Chitinozoa (6)
-
Conodonta
-
Icriodus (3)
-
Neognathodus (1)
-
Ozarkodina (1)
-
Panderodus (2)
-
Polygnathus (3)
-
-
Fusulinina
-
Fusulinidae (3)
-
-
problematic microfossils (1)
-
scolecodonts (4)
-
-
palynomorphs
-
acritarchs (12)
-
Chitinozoa (6)
-
Dinoflagellata (19)
-
megaspores (2)
-
miospores
-
pollen (14)
-
-
-
Plantae
-
algae
-
calcareous algae (2)
-
Chlorophyta
-
Charophyta (2)
-
-
diatoms (14)
-
Epiphyton (1)
-
nannofossils
-
Discoasteridae (1)
-
-
Phaeophyta (1)
-
Pyrrhophyta (1)
-
-
Bryophyta
-
Hepaticae (1)
-
-
Pteridophyta
-
Filicopsida
-
Archaeopteris (2)
-
-
Lycopsida
-
Lepidodendron (2)
-
Stigmaria (1)
-
-
-
Spermatophyta
-
Angiospermae
-
Dicotyledoneae (2)
-
Monocotyledoneae (1)
-
-
Gymnospermae
-
Coniferales
-
Taxodium (1)
-
-
Pteridospermae
-
Neuropteris (1)
-
-
-
-
-
problematic fossils
-
problematic microfossils (1)
-
-
Pterobranchia (1)
-
thallophytes (16)
-
tracks (7)
-
trails (1)
-
-
geochronology methods
-
(U-Th)/He (5)
-
Ar/Ar (13)
-
exposure age (2)
-
fission-track dating (5)
-
K/Ar (17)
-
Nd/Nd (1)
-
optical mineralogy (1)
-
optically stimulated luminescence (4)
-
paleomagnetism (41)
-
Pb/Pb (3)
-
Pb/Th (1)
-
radiation damage (1)
-
Rb/Sr (20)
-
Sm/Nd (1)
-
tephrochronology (2)
-
Th/U (2)
-
thermochronology (6)
-
thermoluminescence (2)
-
tree rings (4)
-
U/Pb (41)
-
U/Th/Pb (2)
-
-
geologic age
-
Cenozoic
-
Quaternary
-
Holocene
-
Atlantic (1)
-
lower Holocene (2)
-
upper Holocene (15)
-
-
Pleistocene
-
Illinoian (6)
-
Irvingtonian (1)
-
Lake Agassiz (1)
-
Lake Maumee (1)
-
lower Pleistocene (1)
-
Matuyama Chron (1)
-
Old Crow Tephra (1)
-
upper Pleistocene
-
Lake Iroquois (2)
-
Sangamonian (2)
-
Weichselian
-
upper Weichselian
-
Allerod (1)
-
Bolling (1)
-
Younger Dryas (1)
-
-
-
Wisconsinan
-
Lavery Till (2)
-
lower Wisconsinan (3)
-
upper Wisconsinan (5)
-
Woodfordian (3)
-
-
-
-
upper Quaternary (7)
-
-
Tertiary
-
Arikareean (1)
-
lower Tertiary (2)
-
Neogene
-
Cohansey Formation (2)
-
Miocene
-
Barstovian (1)
-
Calvert Formation (31)
-
lower Miocene
-
Burdigalian (1)
-
Hemingfordian (1)
-
-
middle Miocene
-
Choptank Formation (21)
-
-
Pungo River Formation (1)
-
Saint Marys Formation (23)
-
upper Miocene
-
Eastover Formation (13)
-
Tortonian (2)
-
-
-
Pliocene
-
upper Pliocene
-
Chowan River Formation (7)
-
-
Yorktown Formation (24)
-
-
-
Paleogene
-
Eocene
-
Castle Hayne Limestone (2)
-
Jacksonian (1)
-
lower Eocene
-
Aquia Formation (17)
-
Hatchetigbee Formation (1)
-
Wind River Formation (1)
-
Ypresian (1)
-
-
middle Eocene
-
Carrizo Sand (1)
-
Claiborne Group (1)
-
Cook Mountain Formation (1)
-
Lisbon Formation (2)
-
Lutetian (1)
-
Santee Limestone (1)
-
-
Nanjemoy Formation (13)
-
upper Eocene
-
Jackson Group (1)
-
Moodys Branch Formation (2)
-
Piney Point Formation (8)
-
Yazoo Clay (1)
-
-
-
Oligocene
-
lower Oligocene (1)
-
upper Oligocene (2)
-
-
Paleocene
-
lower Paleocene
-
Danian (4)
-
K-T boundary (4)
-
-
middle Paleocene
-
Selandian (1)
-
-
upper Paleocene
-
Landenian (1)
-
Thanetian (3)
-
-
-
Paleocene-Eocene Thermal Maximum (8)
-
-
upper Tertiary (2)
-
-
upper Cenozoic
-
Chesapeake Group (17)
-
Tamiami Formation (1)
-
-
-
Coal Measures (2)
-
Lake Bonneville (1)
-
Laurentide ice sheet (7)
-
Mesozoic
-
Brunswick Formation (1)
-
Cretaceous
-
Dakota Formation (1)
-
Lower Cretaceous
-
Albian (4)
-
Aptian (4)
-
Barremian (2)
-
-
Potomac Group (13)
-
Upper Cretaceous
-
Bearpaw Formation (1)
-
Campanian
-
upper Campanian (1)
-
-
Cenomanian
-
lower Cenomanian (2)
-
-
Gulfian
-
Eagle Ford Formation (3)
-
Woodbine Formation (1)
-
-
K-T boundary (4)
-
Maestrichtian
-
upper Maestrichtian (1)
-
-
Magothy Formation (2)
-
Marshalltown Formation (4)
-
Monmouth Group (2)
-
Navesink Formation (7)
-
Niobrara Formation (1)
-
Pierre Shale (1)
-
Raritan Formation (3)
-
Ripley Formation (1)
-
Santonian (2)
-
Senonian (14)
-
Sharon Springs Member (1)
-
Tuolumne Intrusive Suite (1)
-
Turonian (1)
-
Tuscaloosa Formation (1)
-
-
-
Jurassic
-
Lower Jurassic
-
Feltville Formation (1)
-
Hampden Basalt (1)
-
Hettangian (1)
-
Holyoke Basalt (1)
-
lower Liassic (1)
-
Portland Formation (1)
-
Toarcian (1)
-
Triassic-Jurassic boundary (1)
-
upper Liassic (1)
-
-
Middle Jurassic
-
Aalenian (1)
-
-
Norphlet Formation (1)
-
Upper Jurassic
-
Bossier Formation (1)
-
Haynesville Formation (1)
-
Kimmeridge Clay (1)
-
Morrison Formation (1)
-
Smackover Formation (1)
-
-
-
lower Mesozoic (5)
-
Newark Supergroup (16)
-
Passaic Formation (5)
-
Triassic
-
Lower Triassic (2)
-
Middle Triassic
-
Ladinian (1)
-
-
Upper Triassic
-
Carnian (8)
-
Chinle Formation (1)
-
Lockatong Formation (3)
-
Norian (6)
-
Rhaetian (2)
-
Triassic-Jurassic boundary (1)
-
-
-
-
MIS 2 (1)
-
MIS 5 (1)
-
Paleozoic
-
Bedford Shale (8)
-
Berea Sandstone (30)
-
Cambrian
-
Acadian (12)
-
Conasauga Group (5)
-
Lower Cambrian
-
Antietam Formation (5)
-
Chilhowee Group (4)
-
Kinzers Formation (6)
-
Rome Formation (12)
-
Shady Dolomite (5)
-
Zabriskie Quartzite (1)
-
-
Middle Cambrian
-
Burgess Shale (1)
-
-
Pioche Shale (1)
-
Upper Cambrian
-
Bonneterre Formation (1)
-
Copper Ridge Dolomite (6)
-
Dresbachian (2)
-
Eau Claire Formation (2)
-
Lamotte Sandstone (1)
-
Maynardville Limestone (1)
-
Mount Simon Sandstone (10)
-
Potsdam Sandstone (2)
-
-
-
Carboniferous
-
Culm (1)
-
Lower Carboniferous
-
Dinantian (4)
-
-
Middle Carboniferous (1)
-
Mississippian
-
Barnett Shale (2)
-
Big Injun Sandstone (1)
-
Borden Group (10)
-
Harrodsburg Limestone (1)
-
Logan Formation (6)
-
Lower Mississippian
-
Cuyahoga Formation (11)
-
Fort Payne Formation (3)
-
Kinderhookian (8)
-
Osagian
-
Burlington Limestone (1)
-
Keokuk Limestone (2)
-
-
Pocono Formation (12)
-
Tournaisian (5)
-
-
Middle Mississippian
-
Visean (1)
-
-
Newman Limestone (7)
-
Price Formation (8)
-
Ramp Creek Formation (1)
-
Sunbury Shale (12)
-
Upper Mississippian
-
Chesterian
-
Imo Formation (2)
-
-
Fayetteville Formation (1)
-
Greenbrier Limestone (17)
-
Hartselle Sandstone (1)
-
Heath Formation (1)
-
Hinton Formation (5)
-
Mauch Chunk Formation (19)
-
Meramecian
-
Salem Limestone (2)
-
Warsaw Formation (1)
-
-
Monteagle Limestone (1)
-
Pennington Formation (7)
-
Pitkin Limestone (1)
-
-
Windsor Group (1)
-
-
Namurian (2)
-
Pennsylvanian
-
Conemaugh Group (32)
-
Freeport Formation (7)
-
Kittanning Formation (10)
-
Lower Pennsylvanian
-
Bashkirian (1)
-
Lee Formation (5)
-
Morrowan (2)
-
New River Formation (6)
-
Pocahontas Formation (8)
-
-
Mattoon Formation (1)
-
Middle Pennsylvanian
-
Allegheny Group (41)
-
Atokan
-
Atoka Formation (1)
-
-
Breathitt Formation (13)
-
Carbondale Formation (2)
-
Desmoinesian
-
Cherokee Group (1)
-
-
Kanawha Formation (13)
-
Moscovian (1)
-
-
Monongahela Group (17)
-
Pittsburgh Coal (5)
-
Pottsville Group (32)
-
Sharon Conglomerate (6)
-
Upper Pennsylvanian
-
Ames Limestone (6)
-
Glenshaw Formation (7)
-
Kasimovian (1)
-
Missourian
-
Lansing Group (1)
-
-
Virgilian
-
Shawnee Group (1)
-
-
-
-
Upper Carboniferous
-
Stephanian (1)
-
Westphalian (11)
-
-
-
Catskill Formation (26)
-
Chattanooga Shale (3)
-
Devonian
-
Cedar City Formation (1)
-
Genesee Group (5)
-
Lower Devonian
-
Coeymans Formation (3)
-
Emsian (6)
-
Lochkovian (4)
-
Manlius Formation (1)
-
Oriskany Sandstone (31)
-
Pragian (2)
-
Siegenian (1)
-
-
Middle Devonian
-
Boyle Dolomite (2)
-
Columbus Limestone (12)
-
Delaware Limestone (6)
-
Detroit River Group (4)
-
Dundee Limestone (4)
-
Eifelian (10)
-
Givetian (8)
-
Hamilton Group (28)
-
Jeffersonville Limestone (1)
-
Ludlowville Formation (2)
-
Mahantango Formation (12)
-
Marcellus Shale (82)
-
Moscow Formation (8)
-
Onondaga Limestone (26)
-
Sylvania Formation (1)
-
Tioga Bentonite (2)
-
Tully Limestone (12)
-
-
Millboro Shale (5)
-
Old Red Sandstone (4)
-
Traverse Group (1)
-
Upper Devonian
-
Brallier Shale (9)
-
Canadaway Group (2)
-
Chemung Formation (10)
-
Cleveland Member (10)
-
Famennian
-
upper Famennian (2)
-
Wabamun Group (1)
-
-
Frasnian
-
upper Frasnian (1)
-
-
Hampshire Formation (9)
-
Huron Member (12)
-
Kellwasser event (3)
-
Ohio Shale (32)
-
Olentangy Shale (6)
-
Sonyea Group (1)
-
West Falls Formation (4)
-
-
-
Dunkard Group (15)
-
Helderberg Group (11)
-
Keyser Limestone (10)
-
Knox Group (15)
-
lower Paleozoic
-
Ashe Formation (5)
-
Bay of Islands Ophiolite (3)
-
Chopawamsic Formation (5)
-
Conococheague Formation (15)
-
Glenarm Series (15)
-
Rose Run Sandstone (9)
-
Wilmington Complex (8)
-
-
middle Paleozoic (3)
-
New Albany Shale (4)
-
Ordovician
-
Clays Ferry Formation (3)
-
Eureka Quartzite (1)
-
Lexington Limestone (9)
-
Lower Ordovician
-
Arenigian (3)
-
Beekmantown Group (18)
-
Epler Formation (1)
-
Kingsport Formation (1)
-
Mascot Dolomite (1)
-
Tremadocian (1)
-
-
Martinsburg Formation (29)
-
Meguma Group (2)
-
Middle Ordovician
-
Black River Group (7)
-
Blackriverian (2)
-
Bromide Formation (2)
-
Chazy Group (2)
-
Chazyan (2)
-
Darriwilian (1)
-
Decorah Shale (2)
-
Deicke Bentonite Bed (3)
-
Glenwood Shale (1)
-
Millbrig Bentonite Bed (3)
-
Normanskill Formation (1)
-
Schenectady Formation (1)
-
-
Montoya Group (1)
-
Trenton Group (26)
-
Upper Ordovician
-
Ashgillian (3)
-
Caradocian (2)
-
Cincinnatian
-
Maysvillian (7)
-
Richmondian (15)
-
-
Edenian (8)
-
Fairview Formation (19)
-
Hirnantian (3)
-
Juniata Formation (15)
-
Katian (20)
-
Kope Formation (34)
-
Maquoketa Formation (1)
-
Mohawkian (2)
-
Queenston Shale (4)
-
Reedsville Formation (5)
-
Sandbian (2)
-
Trentonian (23)
-
Whitewater Formation (4)
-
-
Utica Shale (16)
-
Viola Limestone (1)
-
-
Permian
-
Chase Group (1)
-
Council Grove Group (1)
-
Lower Permian
-
Wolfcampian (1)
-
-
Middle Permian (1)
-
Phosphoria Formation (1)
-
Stone Corral Formation (1)
-
Upper Permian (4)
-
-
Petersburg Granite (1)
-
Rondout Formation (3)
-
Sauk Sequence (3)
-
Shawangunk Formation (3)
-
Silurian
-
Bass Islands Dolomite (2)
-
Clinch Sandstone (1)
-
Lockport Formation (12)
-
Lower Silurian
-
Brassfield Formation (24)
-
Grimsby Sandstone (3)
-
Llandovery
-
Aeronian (1)
-
Rhuddanian (1)
-
Telychian (1)
-
-
Tuscarora Formation (25)
-
Wenlock
-
Homerian (2)
-
-
Whirlpool Sandstone (3)
-
-
Middle Silurian
-
Clinton Group (25)
-
Keefer Sandstone (8)
-
McKenzie Formation (7)
-
Rochester Formation (1)
-
Rose Hill Formation (8)
-
Waldron Shale (1)
-
-
Niagaran (18)
-
Upper Silurian
-
Bloomsburg Formation (11)
-
Cayugan
-
Tonoloway Limestone (6)
-
Williamsport Sandstone (1)
-
-
Ludlow (3)
-
Pridoli (2)
-
Salina Group (13)
-
-
-
Talladega Group (1)
-
upper Paleozoic
-
Antrim Shale (3)
-
Kaskaskia Sequence (2)
-
Pictou Group (1)
-
-
Wissahickon Formation (19)
-
Woodford Shale (2)
-
-
Phanerozoic (10)
-
Precambrian
-
Archean
-
Neoarchean (2)
-
-
Baltimore Gneiss (12)
-
Catoctin Formation (15)
-
Eocambrian (3)
-
Great Smoky Group (1)
-
upper Precambrian
-
Proterozoic
-
Coldbrook Group (1)
-
Mesoproterozoic
-
Helikian (1)
-
-
Neoproterozoic
-
Cryogenian (2)
-
Ediacaran (3)
-
Hadrynian (1)
-
Lynchburg Formation (3)
-
Moine Supergroup (1)
-
Tonian (1)
-
Vendian (1)
-
-
Paleoproterozoic (5)
-
-
-
Witwatersrand Supergroup (1)
-
-
-
igneous rocks
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igneous rocks
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carbonatites (2)
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granophyre (3)
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hypabyssal rocks (1)
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kimberlite (13)
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plutonic rocks
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anorthosite (5)
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diabase (20)
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diorites
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quartz diorites (1)
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tonalite (1)
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trondhjemite (2)
-
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gabbros
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norite (2)
-
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granites
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alkali granites (1)
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aplite (1)
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A-type granites (1)
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charnockite (1)
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felsite (1)
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leucogranite (1)
-
two-mica granite (1)
-
-
granodiorites (5)
-
lamprophyres
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spessartite (1)
-
-
monzonites
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mangerite (1)
-
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pegmatite (21)
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quartz monzonite (2)
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ultramafics
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chromitite (1)
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peridotites
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dunite (4)
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harzburgite (1)
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lherzolite (2)
-
-
pyroxenite
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garnet pyroxenite (1)
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websterite (2)
-
-
-
-
porphyry (1)
-
volcanic rocks
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adakites (1)
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andesites (2)
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basalts
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flood basalts (1)
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mid-ocean ridge basalts (1)
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olivine basalt (1)
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tholeiite (3)
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tholeiitic basalt (1)
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glasses (6)
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latite (1)
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pyroclastics
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tuff (5)
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rhyolites (3)
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trachyandesites (1)
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ophiolite (13)
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volcanic ash (7)
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metamorphic rocks
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K-bentonite (9)
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metabentonite (4)
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metamorphic rocks
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amphibolites (10)
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eclogite (1)
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gneisses
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augen gneiss (3)
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biotite gneiss (1)
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orthogneiss (4)
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granulites (4)
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impactites
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impact breccia
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suevite (8)
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marbles (10)
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metacarbonate rocks (1)
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metaigneous rocks
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metagranite (3)
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metarhyolite (1)
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serpentinite (9)
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metaplutonic rocks (1)
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metasedimentary rocks
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metaconglomerate (1)
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metagraywacke (1)
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metapelite (4)
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metasomatic rocks
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greisen (1)
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serpentinite (9)
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skarn (1)
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metavolcanic rocks (7)
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mylonites
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pseudotachylite (1)
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ultramylonite (2)
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phyllites (4)
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quartzites
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ferruginous quartzite (1)
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schists
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blueschist (1)
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greenstone (1)
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slates (14)
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ophiolite (13)
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turbidite (15)
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meteorites
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meteorites
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iron meteorites (1)
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stony irons
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pallasite
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Brenham Meteorite (1)
-
-
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stony meteorites
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achondrites (1)
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chondrites
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ordinary chondrites (1)
-
-
-
-
-
minerals
-
alloys
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electrum (1)
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amosite (1)
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carbonates
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ankerite (1)
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aragonite (1)
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bastnaesite (1)
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calcite (35)
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dolomite (30)
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Iceland spar (1)
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pyroaurite (2)
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siderite (1)
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sphaerosiderite (1)
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strontianite (2)
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halides
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bromides (1)
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chlorides
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halite (3)
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fluorides
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bastnaesite (1)
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fluorite (2)
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-
-
K-bentonite (9)
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metabentonite (4)
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minerals (64)
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native elements
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diamond (1)
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graphite (5)
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nitrates (1)
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oxalates
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whewellite (2)
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oxides
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anatase (3)
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baddeleyite (3)
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chromite (4)
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corundum (1)
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cryptomelane (1)
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diaspore (1)
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gahnite (3)
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goethite (5)
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hematite (8)
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hoegbomite (3)
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hollandite (1)
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hydroxides
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iron hydroxides (3)
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oxyhydroxides (1)
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ilmenite (10)
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iron oxides (9)
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lepidocrocite (2)
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limonite (2)
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magnetite (12)
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manganese oxides (2)
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martite (1)
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niobates
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columbite (2)
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psilomelane (1)
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pyrolusite (1)
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rutile (5)
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spinel (6)
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tantalates
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tantalite (1)
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wodginite (1)
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titanium oxides (1)
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ulvospinel (1)
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uraninite (1)
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phosphates
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apatite (12)
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brushite (1)
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cacoxenite (1)
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monazite (8)
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rhabdophane (2)
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vivianite (4)
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wavellite (1)
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selenides (1)
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silicates
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aluminosilicates (1)
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asbestos (4)
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chain silicates
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amphibole group
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clinoamphibole
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hornblende (2)
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tremolite (1)
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-
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prehnite (2)
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pyroxene group
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clinopyroxene
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clinoenstatite (1)
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diopside (5)
-
-
orthopyroxene
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enstatite (2)
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hypersthene (2)
-
-
-
rhodonite group
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babingtonite (1)
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xonotlite (1)
-
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framework silicates
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feldspar group
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alkali feldspar
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K-feldspar (6)
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orthoclase (1)
-
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plagioclase
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albite (5)
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anorthite (1)
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-
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scapolite group
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scapolite (2)
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silica minerals
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chalcedony (1)
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chrysoprase (1)
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cristobalite (1)
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jasper (1)
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opal
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opal-A (1)
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opal-CT (1)
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quartz (21)
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tridymite (1)
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zeolite group
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analcime (1)
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epistilbite (1)
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laumontite (1)
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leonhardite (1)
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stilbite (2)
-
-
-
orthosilicates
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nesosilicates
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chloritoid (2)
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garnet group
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almandine (1)
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grossular (1)
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hydrogarnet (1)
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pyrope (3)
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kyanite (3)
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olivine group
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fayalite (1)
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laihunite (1)
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olivine (3)
-
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phenakite group
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phenakite (1)
-
-
staurolite (5)
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titanite group
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titanite (1)
-
-
zircon group
-
zircon (49)
-
-
-
sorosilicates
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chevkinite group
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chevkinite (1)
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perrierite (1)
-
-
epidote group
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allanite (2)
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epidote (1)
-
-
-
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ring silicates
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cordierite (1)
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tourmaline group (4)
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-
sheet silicates
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chlorite group
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chamosite (2)
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chlorite (12)
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clay minerals
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dickite (2)
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halloysite (1)
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kaolinite (9)
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metahalloysite (1)
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montmorillonite (1)
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smectite (10)
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vermiculite (4)
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illite (19)
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margarite (2)
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mica group
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biotite (5)
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glauconite (9)
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muscovite (8)
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paragonite (1)
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phlogopite (4)
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palygorskite (1)
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pyrophyllite (1)
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serpentine group
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antigorite (1)
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berthierine (1)
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chrysotile (2)
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serpentine (5)
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talc (3)
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-
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sulfates
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anhydrite (2)
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barite (6)
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celestine (4)
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gypsum (7)
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halotrichite (1)
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jarosite (1)
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sulfides
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bornite (2)
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galena (1)
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pyrite (22)
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tochilinite (1)
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zinc sulfides (1)
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sulfosalts
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tetrahedrite (1)
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sulfarsenites
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tennantite (1)
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-
sulfobismuthites
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matildite (1)
-
-
-
-
Primary terms
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absolute age (124)
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academic institutions (2)
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Africa
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Central Africa
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North Africa
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associations (3)
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Holyoke Basalt (1)
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lower Liassic (1)
-
Portland Formation (1)
-
Toarcian (1)
-
Triassic-Jurassic boundary (1)
-
upper Liassic (1)
-
-
Middle Jurassic
-
Aalenian (1)
-
-
Norphlet Formation (1)
-
Upper Jurassic
-
Bossier Formation (1)
-
Haynesville Formation (1)
-
Kimmeridge Clay (1)
-
Morrison Formation (1)
-
Smackover Formation (1)
-
-
-
lower Mesozoic (5)
-
Newark Supergroup (16)
-
Passaic Formation (5)
-
Triassic
-
Lower Triassic (2)
-
Middle Triassic
-
Ladinian (1)
-
-
Upper Triassic
-
Carnian (8)
-
Chinle Formation (1)
-
Lockatong Formation (3)
-
Norian (6)
-
Rhaetian (2)
-
Triassic-Jurassic boundary (1)
-
-
-
-
metal ores
-
arsenic ores (1)
-
base metals (5)
-
chromite ores (1)
-
cobalt ores (2)
-
copper ores (15)
-
gold ores (7)
-
iron ores (11)
-
lead ores (5)
-
lead-zinc deposits (10)
-
manganese ores (4)
-
molybdenum ores (2)
-
nickel ores (3)
-
polymetallic ores (2)
-
pyrite ores (2)
-
rare earth deposits (1)
-
silver ores (2)
-
strontium ores (1)
-
tin ores (3)
-
titanium ores (2)
-
tungsten ores (2)
-
uranium ores (10)
-
zinc ores (9)
-
-
metals
-
actinides
-
thorium (4)
-
uranium (7)
-
-
alkali metals
-
cesium
-
Cs-137 (5)
-
-
lithium (3)
-
potassium
-
K-40 (1)
-
-
rubidium (2)
-
sodium (2)
-
-
alkaline earth metals
-
barium (3)
-
beryllium
-
Be-10 (8)
-
Be-10/Be-9 (1)
-
-
calcium
-
Mg/Ca (2)
-
-
magnesium
-
Mg/Ca (2)
-
-
radium
-
Ra-228/Ra-226 (1)
-
-
strontium
-
Sr-87/Sr-86 (23)
-
-
-
aluminum
-
Al-26 (2)
-
-
antimony (1)
-
arsenic (4)
-
cadmium (1)
-
chromium
-
Cr-51 (1)
-
-
cobalt (1)
-
copper (13)
-
gallium (1)
-
germanium (1)
-
gold (1)
-
hafnium
-
Hf-177/Hf-176 (3)
-
-
iron
-
ferric iron (5)
-
ferrous iron (3)
-
-
lead
-
Pb-206/Pb-204 (3)
-
Pb-207/Pb-204 (1)
-
Pb-208/Pb-204 (1)
-
Pb-210 (4)
-
-
manganese (9)
-
mercury (2)
-
molybdenum (1)
-
nickel (5)
-
niobium (1)
-
platinum group
-
osmium
-
Os-188/Os-187 (1)
-
-
palladium (1)
-
platinum (1)
-
-
rare earths
-
cerium (1)
-
europium (1)
-
lutetium (1)
-
neodymium
-
Nd-144/Nd-143 (9)
-
Sm-147/Nd-144 (1)
-
-
samarium
-
Sm-147/Nd-144 (1)
-
-
-
silver (1)
-
tantalum (1)
-
tin (2)
-
titanium (8)
-
tungsten (1)
-
zinc (15)
-
zirconium (2)
-
-
metamorphic rocks
-
amphibolites (10)
-
cataclasites (2)
-
eclogite (1)
-
gneisses
-
augen gneiss (3)
-
biotite gneiss (1)
-
orthogneiss (4)
-
-
granulites (4)
-
impactites
-
impact breccia
-
suevite (8)
-
-
-
marbles (10)
-
metacarbonate rocks (1)
-
metaigneous rocks
-
metabasalt (4)
-
metagabbro (3)
-
metagranite (3)
-
metarhyolite (1)
-
serpentinite (9)
-
-
metaplutonic rocks (1)
-
metasedimentary rocks
-
metaconglomerate (1)
-
metagraywacke (1)
-
metapelite (4)
-
metasandstone (1)
-
-
metasomatic rocks
-
greisen (1)
-
serpentinite (9)
-
skarn (1)
-
-
metavolcanic rocks (7)
-
migmatites (1)
-
mylonites
-
pseudotachylite (1)
-
ultramylonite (2)
-
-
phyllites (4)
-
quartzites
-
ferruginous quartzite (1)
-
-
schists
-
blueschist (1)
-
greenstone (1)
-
-
slates (14)
-
-
metamorphism (107)
-
metasomatism (48)
-
meteorites
-
iron meteorites (1)
-
stony irons
-
pallasite
-
Brenham Meteorite (1)
-
-
-
stony meteorites
-
achondrites (1)
-
chondrites
-
ordinary chondrites (1)
-
-
-
-
Mexico
-
Baja California (1)
-
Tabasco Mexico (1)
-
-
micropaleontology (1)
-
mineral deposits, genesis (84)
-
mineral exploration (21)
-
mineral resources (8)
-
mineralogy (168)
-
minerals (64)
-
mining geology (24)
-
Mohorovicic discontinuity (6)
-
museums (1)
-
nitrogen
-
N-15/N-14 (1)
-
-
noble gases
-
argon
-
Ar-36 (1)
-
-
helium
-
He-4/He-3 (1)
-
-
radon
-
Rn-222 (2)
-
-
-
nodules (2)
-
North America
-
Appalachian Basin (207)
-
Appalachians
-
Allegheny Mountains (7)
-
Appalachian Plateau (69)
-
Blue Ridge Mountains (15)
-
Blue Ridge Province (40)
-
Carolina slate belt (2)
-
Catskill Mountains (1)
-
Central Appalachians (129)
-
Cumberland Plateau (1)
-
Great Appalachian Valley (10)
-
Northern Appalachians (8)
-
Piedmont
-
Inner Piedmont (1)
-
-
Southern Appalachians (30)
-
Valley and Ridge Province (118)
-
-
Basin and Range Province
-
Great Basin (3)
-
-
Canadian Shield
-
Grenville Province
-
Central Gneiss Belt (1)
-
Central Metasedimentary Belt (2)
-
-
Slave Province (1)
-
Superior Province
-
Abitibi Belt (1)
-
-
-
Champlain Valley (2)
-
Detroit River (2)
-
Eastern Overthrust Belt (6)
-
Great Lakes
-
Lake Erie (49)
-
Lake Huron (2)
-
Lake Ontario (12)
-
-
Great Lakes region (31)
-
Great Plains (2)
-
Grenville Front (9)
-
Gulf Coastal Plain (21)
-
Humber Zone (3)
-
Keweenawan Rift (1)
-
Michigan Basin (23)
-
Mississippi River basin (1)
-
Niagara Escarpment (2)
-
Niagara Falls (1)
-
Niagara River (2)
-
North American Cordillera
-
Canadian Cordillera (2)
-
-
North American Craton (1)
-
Rocky Mountains
-
Canadian Rocky Mountains (3)
-
U. S. Rocky Mountains
-
Wind River Range (1)
-
-
-
Saint Lawrence Lowlands (4)
-
Saint Lawrence River (2)
-
Saint Lawrence Valley (1)
-
Western Canada Sedimentary Basin (2)
-
Western Interior
-
Western Interior Seaway (2)
-
-
Williston Basin (2)
-
-
Northern Hemisphere (2)
-
nuclear facilities (5)
-
ocean basins (1)
-
ocean circulation (2)
-
Ocean Drilling Program
-
Leg 113
-
ODP Site 689 (1)
-
ODP Site 690 (1)
-
-
Leg 174AX
-
Fort Mott Site (2)
-
Medford Site (2)
-
Millville Site (1)
-
-
Leg 198
-
ODP Site 1209 (2)
-
-
-
ocean floors (4)
-
ocean waves (4)
-
Oceania
-
Melanesia (1)
-
Micronesia
-
Marshall Islands
-
Enewetak Atoll (1)
-
-
-
-
oceanography (20)
-
oil and gas fields (67)
-
orogeny (151)
-
oxygen
-
dissolved oxygen (2)
-
O-18 (1)
-
O-18/O-16 (50)
-
-
Pacific Ocean
-
East Pacific
-
Northeast Pacific
-
Cascadia Basin (1)
-
-
-
North Pacific
-
Northeast Pacific
-
Cascadia Basin (1)
-
-
Northwest Pacific
-
Nankai Trough (1)
-
Shatsky Rise (1)
-
-
-
West Pacific
-
Northwest Pacific
-
Nankai Trough (1)
-
Shatsky Rise (1)
-
-
-
-
paleobotany (36)
-
paleoclimatology (88)
-
paleoecology (216)
-
paleogeography (166)
-
paleomagnetism (41)
-
paleontology (381)
-
Paleozoic
-
Bedford Shale (8)
-
Berea Sandstone (30)
-
Cambrian
-
Acadian (12)
-
Conasauga Group (5)
-
Lower Cambrian
-
Antietam Formation (5)
-
Chilhowee Group (4)
-
Kinzers Formation (6)
-
Rome Formation (12)
-
Shady Dolomite (5)
-
Zabriskie Quartzite (1)
-
-
Middle Cambrian
-
Burgess Shale (1)
-
-
Pioche Shale (1)
-
Upper Cambrian
-
Bonneterre Formation (1)
-
Copper Ridge Dolomite (6)
-
Dresbachian (2)
-
Eau Claire Formation (2)
-
Lamotte Sandstone (1)
-
Maynardville Limestone (1)
-
Mount Simon Sandstone (10)
-
Potsdam Sandstone (2)
-
-
-
Carboniferous
-
Culm (1)
-
Lower Carboniferous
-
Dinantian (4)
-
-
Middle Carboniferous (1)
-
Mississippian
-
Barnett Shale (2)
-
Big Injun Sandstone (1)
-
Borden Group (10)
-
Harrodsburg Limestone (1)
-
Logan Formation (6)
-
Lower Mississippian
-
Cuyahoga Formation (11)
-
Fort Payne Formation (3)
-
Kinderhookian (8)
-
Osagian
-
Burlington Limestone (1)
-
Keokuk Limestone (2)
-
-
Pocono Formation (12)
-
Tournaisian (5)
-
-
Middle Mississippian
-
Visean (1)
-
-
Newman Limestone (7)
-
Price Formation (8)
-
Ramp Creek Formation (1)
-
Sunbury Shale (12)
-
Upper Mississippian
-
Chesterian
-
Imo Formation (2)
-
-
Fayetteville Formation (1)
-
Greenbrier Limestone (17)
-
Hartselle Sandstone (1)
-
Heath Formation (1)
-
Hinton Formation (5)
-
Mauch Chunk Formation (19)
-
Meramecian
-
Salem Limestone (2)
-
Warsaw Formation (1)
-
-
Monteagle Limestone (1)
-
Pennington Formation (7)
-
Pitkin Limestone (1)
-
-
Windsor Group (1)
-
-
Namurian (2)
-
Pennsylvanian
-
Conemaugh Group (32)
-
Freeport Formation (7)
-
Kittanning Formation (10)
-
Lower Pennsylvanian
-
Bashkirian (1)
-
Lee Formation (5)
-
Morrowan (2)
-
New River Formation (6)
-
Pocahontas Formation (8)
-
-
Mattoon Formation (1)
-
Middle Pennsylvanian
-
Allegheny Group (41)
-
Atokan
-
Atoka Formation (1)
-
-
Breathitt Formation (13)
-
Carbondale Formation (2)
-
Desmoinesian
-
Cherokee Group (1)
-
-
Kanawha Formation (13)
-
Moscovian (1)
-
-
Monongahela Group (17)
-
Pittsburgh Coal (5)
-
Pottsville Group (32)
-
Sharon Conglomerate (6)
-
Upper Pennsylvanian
-
Ames Limestone (6)
-
Glenshaw Formation (7)
-
Kasimovian (1)
-
Missourian
-
Lansing Group (1)
-
-
Virgilian
-
Shawnee Group (1)
-
-
-
-
Upper Carboniferous
-
Stephanian (1)
-
Westphalian (11)
-
-
-
Catskill Formation (26)
-
Chattanooga Shale (3)
-
Devonian
-
Cedar City Formation (1)
-
Genesee Group (5)
-
Lower Devonian
-
Coeymans Formation (3)
-
Emsian (6)
-
Lochkovian (4)
-
Manlius Formation (1)
-
Oriskany Sandstone (31)
-
Pragian (2)
-
Siegenian (1)
-
-
Middle Devonian
-
Boyle Dolomite (2)
-
Columbus Limestone (12)
-
Delaware Limestone (6)
-
Detroit River Group (4)
-
Dundee Limestone (4)
-
Eifelian (10)
-
Givetian (8)
-
Hamilton Group (28)
-
Jeffersonville Limestone (1)
-
Ludlowville Formation (2)
-
Mahantango Formation (12)
-
Marcellus Shale (82)
-
Moscow Formation (8)
-
Onondaga Limestone (26)
-
Sylvania Formation (1)
-
Tioga Bentonite (2)
-
Tully Limestone (12)
-
-
Millboro Shale (5)
-
Old Red Sandstone (4)
-
Traverse Group (1)
-
Upper Devonian
-
Brallier Shale (9)
-
Canadaway Group (2)
-
Chemung Formation (10)
-
Cleveland Member (10)
-
Famennian
-
upper Famennian (2)
-
Wabamun Group (1)
-
-
Frasnian
-
upper Frasnian (1)
-
-
Hampshire Formation (9)
-
Huron Member (12)
-
Kellwasser event (3)
-
Ohio Shale (32)
-
Olentangy Shale (6)
-
Sonyea Group (1)
-
West Falls Formation (4)
-
-
-
Dunkard Group (15)
-
Helderberg Group (11)
-
Keyser Limestone (10)
-
Knox Group (15)
-
lower Paleozoic
-
Ashe Formation (5)
-
Bay of Islands Ophiolite (3)
-
Chopawamsic Formation (5)
-
Conococheague Formation (15)
-
Glenarm Series (15)
-
Rose Run Sandstone (9)
-
Wilmington Complex (8)
-
-
middle Paleozoic (3)
-
New Albany Shale (4)
-
Ordovician
-
Clays Ferry Formation (3)
-
Eureka Quartzite (1)
-
Lexington Limestone (9)
-
Lower Ordovician
-
Arenigian (3)
-
Beekmantown Group (18)
-
Epler Formation (1)
-
Kingsport Formation (1)
-
Mascot Dolomite (1)
-
Tremadocian (1)
-
-
Martinsburg Formation (29)
-
Meguma Group (2)
-
Middle Ordovician
-
Black River Group (7)
-
Blackriverian (2)
-
Bromide Formation (2)
-
Chazy Group (2)
-
Chazyan (2)
-
Darriwilian (1)
-
Decorah Shale (2)
-
Deicke Bentonite Bed (3)
-
Glenwood Shale (1)
-
Millbrig Bentonite Bed (3)
-
Normanskill Formation (1)
-
Schenectady Formation (1)
-
-
Montoya Group (1)
-
Trenton Group (26)
-
Upper Ordovician
-
Ashgillian (3)
-
Caradocian (2)
-
Cincinnatian
-
Maysvillian (7)
-
Richmondian (15)
-
-
Edenian (8)
-
Fairview Formation (19)
-
Hirnantian (3)
-
Juniata Formation (15)
-
Katian (20)
-
Kope Formation (34)
-
Maquoketa Formation (1)
-
Mohawkian (2)
-
Queenston Shale (4)
-
Reedsville Formation (5)
-
Sandbian (2)
-
Trentonian (23)
-
Whitewater Formation (4)
-
-
Utica Shale (16)
-
Viola Limestone (1)
-
-
Permian
-
Chase Group (1)
-
Council Grove Group (1)
-
Lower Permian
-
Wolfcampian (1)
-
-
Middle Permian (1)
-
Phosphoria Formation (1)
-
Stone Corral Formation (1)
-
Upper Permian (4)
-
-
Petersburg Granite (1)
-
Rondout Formation (3)
-
Sauk Sequence (3)
-
Shawangunk Formation (3)
-
Silurian
-
Bass Islands Dolomite (2)
-
Clinch Sandstone (1)
-
Lockport Formation (12)
-
Lower Silurian
-
Brassfield Formation (24)
-
Grimsby Sandstone (3)
-
Llandovery
-
Aeronian (1)
-
Rhuddanian (1)
-
Telychian (1)
-
-
Tuscarora Formation (25)
-
Wenlock
-
Homerian (2)
-
-
Whirlpool Sandstone (3)
-
-
Middle Silurian
-
Clinton Group (25)
-
Keefer Sandstone (8)
-
McKenzie Formation (7)
-
Rochester Formation (1)
-
Rose Hill Formation (8)
-
Waldron Shale (1)
-
-
Niagaran (18)
-
Upper Silurian
-
Bloomsburg Formation (11)
-
Cayugan
-
Tonoloway Limestone (6)
-
Williamsport Sandstone (1)
-
-
Ludlow (3)
-
Pridoli (2)
-
Salina Group (13)
-
-
-
Talladega Group (1)
-
upper Paleozoic
-
Antrim Shale (3)
-
Kaskaskia Sequence (2)
-
Pictou Group (1)
-
-
Wissahickon Formation (19)
-
Woodford Shale (2)
-
-
palynology (5)
-
palynomorphs
-
acritarchs (12)
-
Chitinozoa (6)
-
Dinoflagellata (19)
-
megaspores (2)
-
miospores
-
pollen (14)
-
-
-
paragenesis (23)
-
permafrost (1)
-
petroleum
-
natural gas
-
coalbed methane (5)
-
shale gas (16)
-
-
shale oil (4)
-
-
petrology (192)
-
Phanerozoic (10)
-
phase equilibria (25)
-
phosphorus (13)
-
placers (3)
-
Plantae
-
algae
-
calcareous algae (2)
-
Chlorophyta
-
Charophyta (2)
-
-
diatoms (14)
-
Epiphyton (1)
-
nannofossils
-
Discoasteridae (1)
-
-
Phaeophyta (1)
-
Pyrrhophyta (1)
-
-
Bryophyta
-
Hepaticae (1)
-
-
Pteridophyta
-
Filicopsida
-
Archaeopteris (2)
-
-
Lycopsida
-
Lepidodendron (2)
-
Stigmaria (1)
-
-
-
Spermatophyta
-
Angiospermae
-
Dicotyledoneae (2)
-
Monocotyledoneae (1)
-
-
Gymnospermae
-
Coniferales
-
Taxodium (1)
-
-
Pteridospermae
-
Neuropteris (1)
-
-
-
-
-
plate tectonics (101)
-
pollution (88)
-
Precambrian
-
Archean
-
Neoarchean (2)
-
-
Baltimore Gneiss (12)
-
Catoctin Formation (15)
-
Eocambrian (3)
-
Great Smoky Group (1)
-
upper Precambrian
-
Proterozoic
-
Coldbrook Group (1)
-
Mesoproterozoic
-
Helikian (1)
-
-
Neoproterozoic
-
Cryogenian (2)
-
Ediacaran (3)
-
Hadrynian (1)
-
Lynchburg Formation (3)
-
Moine Supergroup (1)
-
Tonian (1)
-
Vendian (1)
-
-
Paleoproterozoic (5)
-
-
-
Witwatersrand Supergroup (1)
-
-
problematic fossils
-
problematic microfossils (1)
-
-
Pterobranchia (1)
-
reclamation (21)
-
reefs (26)
-
remote sensing (37)
-
reservoirs (7)
-
roads (11)
-
rock mechanics (37)
-
salt deposits (1)
-
sea water (6)
-
sea-floor spreading (3)
-
sea-level changes (125)
-
sedimentary petrology (259)
-
sedimentary rocks
-
bone beds (4)
-
carbonate rocks
-
beachrock (1)
-
boundstone (2)
-
dolostone (41)
-
grainstone (11)
-
limestone
-
biosparite (2)
-
calcarenite (4)
-
micrite (7)
-
microbialite (1)
-
oolitic limestone (2)
-
-
packstone (9)
-
travertine (1)
-
wackestone (8)
-
-
chemically precipitated rocks
-
chert (13)
-
evaporites
-
salt (7)
-
-
iron formations (3)
-
ironstone (1)
-
phosphate rocks (1)
-
silcrete (1)
-
tufa (1)
-
weathering crust (1)
-
-
clastic rocks
-
arenite
-
litharenite (2)
-
quartz arenite (6)
-
-
argillite (3)
-
arkose (3)
-
bentonite (18)
-
black shale (55)
-
claystone (13)
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Journal Article
Seismic Site Characterization and Region‐Specific Seismic Site Parameter Relationships of Essex County, Ontario, Canada
Journal: Seismological Research Letters
Publisher: Seismological Society of America
Published: 06 December 2024
Seismological Research Letters (2025) 96 (2A): 1134–1149.
Includes: Supplemental Content
Journal Article
Beyond boundaries: Depositional environment controls on erodibility, process, and form in rivers incising sedimentary bedrock
Journal: Geosphere
Publisher: Geological Society of America
Published: 20 November 2024
Geosphere (2025) 21 (1): 111–129.
Journal Article
Seismic Monitoring near Ithaca, New York, Reveals Nonuniform Distribution of Microseismicity in an Intraplate Region
Zachary S. Katz, Geoffery A. Abers, Yucheng Yang, Aaron Ferris, Teresa E. Jordan, Matthew E. Pritchard, Patrick M. Fulton, Olaf Gustafson
Journal: Seismological Research Letters
Publisher: Seismological Society of America
Published: 31 July 2024
Seismological Research Letters (2024) 95 (5): 3042–3054.
Includes: Supplemental Content
Journal Article
Energy‐Magnitude Station Corrections across the Conterminous United States
Publisher: Seismological Society of America
Published: 31 July 2024
Bulletin of the Seismological Society of America (2024)
Journal Article
Steckman Ridge: A naturally fractured underground gas storage field
Journal: The Leading Edge
Publisher: Society of Exploration Geophysicists
Published: 01 July 2024
The Leading Edge (2024) 43 (7): 459–468.
Journal Article
Improving GPR interpretation by applying image-enhancing attributes and machine learning techniques: A case study over Green Hill Cemetery in Frankfort, Kentucky
Journal: The Leading Edge
Publisher: Society of Exploration Geophysicists
Published: 01 July 2024
The Leading Edge (2024) 43 (7): 422–435.
Journal Article
Denoising of Dense Spatial Array Data Using the Curvelet Transform
Publisher: Seismological Society of America
Published: 21 June 2024
Bulletin of the Seismological Society of America (2024) 114 (5): 2325–2340.
Includes: Supplemental Content
Journal Article
Benthic Foraminiferal Community Changes Across the Miocene Climatic Optimum Identified by Shebi Analysis (She Analysis for Biozone Identification), Calvert Cliffs, Maryland, USA
Seth R. Sutton, Stephen J. Culver, Lee-Ann C. Hayek, David J. Mallinson, Marci M. Robinson, Harry J. Dowsett, Martin A. Buzas
Journal: Journal of Foraminiferal Research
Published: 15 April 2024
Journal of Foraminiferal Research (2024) 54 (2): 188–197.
Includes: Supplemental Content
Journal Article
Paleoenvironmental and Paleoecological Dynamics of the U.S. Atlantic Coastal Plain Prior to and During the Paleocene-Eocene Thermal Maximum
Journal: Journal of Foraminiferal Research
Published: 15 April 2024
Journal of Foraminiferal Research (2024) 54 (2): 143–171.
Includes: Supplemental Content
Journal Article
Imaging Left‐Lateral and Reverse Near‐Surface Slip of the 2020 M w 5.1 Sparta, North Carolina, Earthquake
Publisher: Seismological Society of America
Published: 08 April 2024
Bulletin of the Seismological Society of America (2024) 114 (4): 1870–1883.
Includes: Supplemental Content
Journal Article
A trans-Iapetus transform fault control for the evolution of the Rheic Ocean: Implications for an early Paleozoic transition of accretionary tectonics: Comment
Journal: GSA Bulletin
Publisher: Geological Society of America
Published: 14 March 2024
GSA Bulletin (2024) 136 (9-10): 4411–4414.
Journal Article
Tidal dissipation morphodynamic feedback triggers loss of microtidal marshes
Journal: Geology
Publisher: Geological Society of America
Published: 09 February 2024
Geology (2024) 52 (5): 326–330.
Journal Article
Nannofossil imprints across the Paleocene–Eocene thermal maximum
Journal: Geology
Publisher: Geological Society of America
Published: 02 February 2024
Geology (2024) 52 (4): 271–275.
Journal Article
Simultaneous well spacing and completion optimization using an automated machine learning approach. A case study of the Marcellus Shale reservoir, northeastern United States
Journal: Petroleum Geoscience
Publisher: Geological Society of London
Published: 31 January 2024
Petroleum Geoscience (2024) 30 (1): petgeo2023-077.
Journal Article
Effect of Various Aspects of Joints on Permeability of Jointed Glacial Till, Northeastern Ohio
Published: 05 December 2023
Environmental & Engineering Geoscience (2023) 29 (4): 257–274.
Journal Article
Procedure for locating oil and gas wells in the Appalachian Basin
Journal: The Leading Edge
Publisher: Society of Exploration Geophysicists
Published: 01 December 2023
The Leading Edge (2023) 42 (12): 828–836.
Journal Article
Aeromagnetic surveys for the location of undocumented orphaned wells
Journal: The Leading Edge
Publisher: Society of Exploration Geophysicists
Published: 01 December 2023
The Leading Edge (2023) 42 (12): 798–807.
Journal Article
First-order CO 2 trapping characteristics of fold-and-thrust belts: Assessing carbon storage potential in the Appalachian Basin and beyond
Lars W. Koehn, Phillip S. Prince, Wes Godbey, Mary Verne, Nick Fowler, Patrick McCrady, Ryan M. Pollyea
Journal: The Leading Edge
Publisher: Society of Exploration Geophysicists
Published: 01 November 2023
The Leading Edge (2023) 42 (11): 755–762.
Journal Article
Development of fracture diagnostic methods for fluid distribution based on quantitative interpretation of distributed acoustic sensing and distributed temperature sensing
Journal: Interpretation
Publisher: Society of Exploration Geophysicists
Published: 16 October 2023
Interpretation (2023) 11 (4): T757–T767.
Journal Article
Wavefield Modeling and Analysis of Lightning Quakes Measured by a Distributed Acoustic Sensing Array
Publisher: Seismological Society of America
Published: 10 October 2023
Bulletin of the Seismological Society of America (2024) 114 (2): 1124–1139.
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