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South Atlantic
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New Zealand
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Sweden
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Scotland
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Rhum (18)
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Outer Hebrides (5)
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Highland region Scotland
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Ardnamurchan (5)
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Inverness-shire Scotland
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Rhum (18)
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Sutherland Scotland
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Assynt (3)
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Moine thrust zone (7)
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Moray Firth (1)
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Scottish Highlands
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Wales
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Northern Ireland
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Antrim Northern Ireland (1)
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Fairview Peak (1)
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Harris (2)
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Indian Ocean
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Arabian Sea
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Gulf of Aden
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Carlsberg Ridge (1)
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Exmouth Plateau (4)
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Ninetyeast Ridge (1)
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Red Sea
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Red Sea Rift (5)
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Somali Basin (1)
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Indian Ocean Islands
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Madagascar
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Mascarene Islands
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Reunion
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Rodriguez Island (1)
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Mauritius (2)
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Seychelles (1)
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International Ocean Discovery Program
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Expedition 349
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IODP Site U1431 (2)
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IODP Site U1433 (3)
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IODP Site U1434 (2)
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Expedition 352
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IODP Site U1439 (2)
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IODP Site U1440 (2)
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IODP Site U1441 (2)
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IODP Site U1442 (2)
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Iron Mountain (2)
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Jack Hills (3)
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Kerguelen Plateau (5)
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Kimberley Basin (1)
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La Palma (1)
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Lake District (8)
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Long Valley (6)
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Makran (1)
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Malay Archipelago
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Borneo
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Kalimantan Indonesia (3)
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New Guinea
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Irian Jaya Indonesia (1)
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Marble Mountains (1)
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Marcy Massif (4)
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Maritimes Basin (1)
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Medicine Lake (5)
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Mediterranean region
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Aegean Islands
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Lesbos (2)
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Calabrian Arc (1)
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Mediterranean Sea
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East Mediterranean
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Gulf of Pozzuoli (1)
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Tyrrhenian Sea (10)
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Meseta (2)
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Mexico
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Chiapas Mexico
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Chihuahua Mexico (7)
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Colima (5)
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Mexico state
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Nevado de Toluca (3)
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Michoacan Mexico (1)
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Michoacan-Guanajuato volcanic field (1)
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Nayarit Mexico
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Sanganguey (2)
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Pico de Orizaba (2)
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Popocatepetl (9)
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Puebla Mexico
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Los Humeros (2)
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Sierra Madre Occidental (8)
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Sierra Madre Oriental (1)
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Sonora Mexico (5)
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Trans-Mexican volcanic belt (25)
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Zacatecas Mexico (3)
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Midland Valley (6)
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Midlands (2)
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Mirror Lake (1)
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Mosquito Range (2)
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Mount Adams (3)
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Mount Baker (2)
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Mount Erebus (3)
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Mount Jefferson (1)
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North America
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Appalachians
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Blue Ridge Mountains (2)
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Carolina slate belt (2)
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Northern Appalachians (22)
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Piedmont
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Inner Piedmont (1)
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Shawangunk Mountains (1)
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Southern Appalachians (6)
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Basin and Range Province
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Great Basin (27)
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Belt Basin (3)
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Canadian Shield
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Churchill Province
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Cape Smith fold belt (7)
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Hearne Province (4)
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Rae Province (3)
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Flin Flon Belt (3)
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Grenville Province
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Central Gneiss Belt (1)
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Central Metasedimentary Belt (8)
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Nain Province (5)
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Slave Province (19)
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Southern Province (2)
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Superior Province
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Abitibi Belt (51)
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English River Belt (2)
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Kapuskasing Zone (3)
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Michipicoten Belt (1)
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Pontiac Subprovince (5)
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Quetico Belt (1)
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Swayze greenstone belt (1)
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Uchi Subprovince (1)
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Wabigoon Belt (11)
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Wawa Belt (3)
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Champlain Valley (1)
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Coast plutonic complex (11)
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Disturbed Belt (1)
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Glacier National Park (1)
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Great Lakes
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Lake Superior (2)
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Great Lakes region (15)
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Grenville Front (2)
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Gulf Coastal Plain (2)
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Humber Zone (2)
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Intermontane Belt (3)
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Keweenawan Rift (22)
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Kootenay Arc (2)
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Lake of the Woods (2)
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Lake of the Woods region (4)
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Lake Superior region (7)
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North American Cordillera
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Canadian Cordillera (36)
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Okanogan Range (2)
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Omineca Belt (4)
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Peninsular Ranges Batholith (20)
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Purcell Mountains (4)
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Rio Grande Rift (23)
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Rocky Mountains
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Canadian Rocky Mountains (1)
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Southern Rocky Mountains (7)
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U. S. Rocky Mountains
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Absaroka Range
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Beartooth Mountains (6)
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Bighorn Mountains (1)
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Bitterroot Range
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Beaverhead Mountains (1)
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Laramie Mountains (5)
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Owl Creek Mountains (1)
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San Juan Mountains
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Creede Caldera (1)
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Sangre de Cristo Mountains (2)
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Sawatch Range (6)
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Spanish Peaks (2)
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Tendoy Range (1)
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Tobacco Root Mountains (1)
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Uinta Mountains (1)
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Wasatch Range (4)
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Wet Mountains (1)
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Wind River Range (1)
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Saint Lawrence Lowlands (1)
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Saint Lawrence Valley (2)
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Slide Mountain Terrane (2)
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Sonoran Desert (1)
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Western Overthrust Belt (1)
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Yukon-Tanana Terrane (2)
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Yukon-Tanana Upland (4)
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North Australian Craton (1)
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North Island (44)
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North Slope (1)
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North West Shelf (1)
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Northern Highlands (3)
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Oceania
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Melanesia
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Fiji
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Viti Levu
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Tavua Fiji (2)
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-
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Malaita (1)
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New Caledonia (6)
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Vanuatu (8)
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Micronesia
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Caroline Islands (1)
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Mariana Islands
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Guam (1)
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Northern Mariana Islands (2)
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-
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Polynesia
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Cook Islands (2)
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French Polynesia
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Marquesas Islands (2)
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Society Islands
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Tahiti (4)
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Tuamotu Islands
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Mururoa Atoll (2)
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Hawaii
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Hawaii County Hawaii
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Hawaii Island
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Alae Crater (1)
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Halemaumau Crater (1)
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Hualalai (2)
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Kilauea (47)
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Kohala (3)
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Mauna Kea (6)
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Puu Oo (1)
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Honolulu County Hawaii
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Oahu (3)
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Kauai County Hawaii (1)
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Maui County Hawaii
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Maui
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Haleakala (1)
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-
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Mauna Loa (8)
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Pitcairn Island (1)
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Samoa (1)
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Tonga (5)
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-
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ODP Site 1256 (1)
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ODP Site 642 (2)
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Old Crow Basin (1)
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Oslo Rift (1)
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Owens Valley (1)
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Pacific Coast (5)
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Pacific Ocean
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East Pacific
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Cocos Ridge (2)
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East Pacific Rise (25)
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Galapagos Rift (6)
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Northeast Pacific
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Axial Seamount (3)
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Blanco fracture zone (2)
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Bowie Seamount (1)
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Cascadia Basin (1)
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Clarion fracture zone (1)
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Clipperton fracture zone (1)
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Gorda Rise (3)
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Guatemala Basin (2)
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Gulf of Alaska (2)
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Gulf of California
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Guaymas Basin (1)
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Hawaiian Ridge (2)
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Hess Deep (3)
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Juan de Fuca Ridge
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CoAxial Segment (1)
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Endeavour Ridge (2)
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Loihi Seamount (5)
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Mendocino fracture zone (2)
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Middle America Trench (2)
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Siqueiros fracture zone (3)
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Peru-Chile Trench (3)
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Southeast Pacific
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Chile Ridge (3)
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Lau Basin (6)
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Nazca Ridge (1)
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-
-
Equatorial Pacific (4)
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North Pacific
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Bering Sea (2)
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Northeast Pacific
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Axial Seamount (3)
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Blanco fracture zone (2)
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Bowie Seamount (1)
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Cascadia Basin (1)
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Clarion fracture zone (1)
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Clipperton fracture zone (1)
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Gorda Rise (3)
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Guatemala Basin (2)
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Gulf of Alaska (2)
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Gulf of California
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Guaymas Basin (1)
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Hawaiian Ridge (2)
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Hess Deep (3)
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Juan de Fuca Ridge
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CoAxial Segment (1)
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Endeavour Ridge (2)
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-
Loihi Seamount (5)
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Mendocino fracture zone (2)
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Middle America Trench (2)
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Siqueiros fracture zone (3)
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Northwest Pacific
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Emperor Seamounts (2)
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Izu-Bonin Arc (8)
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Japan Sea (4)
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Japan Trench (1)
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Mariana Trough (6)
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Nankai Trough (1)
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Okinawa Trough (1)
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Philippine Sea
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Daito Ridge (1)
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Pigafetta Basin (1)
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Shatsky Rise (2)
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South China Sea
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Manila Trench (2)
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Yellow Sea
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Bohai Sea
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Bohai Bay (1)
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-
-
-
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Pacific Basin (1)
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South Pacific
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Havre Trough (2)
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Kermadec Trench (6)
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Southeast Pacific
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Chile Ridge (3)
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Lau Basin (6)
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Nazca Ridge (1)
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Southwest Pacific
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Bismarck Sea
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Manus Basin
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PACMANUS hydrothermal field (2)
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-
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Great South Basin (1)
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North Fiji Basin (2)
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Tasman Sea (1)
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-
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West Pacific
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Banda Arc (2)
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Nauru Basin (2)
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Northwest Pacific
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Emperor Seamounts (2)
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Izu-Bonin Arc (8)
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Japan Sea (4)
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Japan Trench (1)
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Mariana Trough (6)
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Nankai Trough (1)
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Okinawa Trough (1)
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Philippine Sea
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Daito Ridge (1)
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Pigafetta Basin (1)
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Shatsky Rise (2)
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South China Sea
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Manila Trench (2)
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Yellow Sea
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Bohai Sea
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Bohai Bay (1)
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-
-
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Ontong Java Plateau (5)
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Southwest Pacific
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Bismarck Sea
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Manus Basin
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PACMANUS hydrothermal field (2)
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-
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Great South Basin (1)
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North Fiji Basin (2)
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Tasman Sea (1)
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-
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Pacific region
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Circum-Pacific region (5)
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Pacific-Antarctic Ridge (2)
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Palisades Sill (10)
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Pasco Basin (2)
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Peninsular Ranges (8)
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Pinon Range (1)
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Prince of Wales Island (2)
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Puna (13)
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Quesnellia Terrane (8)
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Raton Basin (2)
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Rattlesnake Mountain (1)
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Red Mountain (1)
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New Mexico
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New York
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Texas
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Utah
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hydrogen
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incompatible elements (17)
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Pb-206/Pb-204 (166)
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Pb-208/Pb-204 (117)
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Po-210 (1)
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Ra-226 (8)
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Rb-87/Sr-86 (25)
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Re-187/Os-188 (7)
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Rn-222 (1)
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Sm-147/Nd-144 (47)
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Th-232/Th-230 (6)
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Zn-65 (1)
-
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stable isotopes
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Al-27 (4)
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Ar-36 (1)
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Ar-38/Ar-36 (2)
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Ar-40 (1)
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Ar-40/Ar-36 (5)
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Ar-40/Ar-39 (11)
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B-11/B-10 (11)
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Be-10/Be-9 (1)
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C-13/C-12 (57)
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C-14/C-12 (1)
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Cl-37/Cl-35 (7)
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D/H (64)
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deuterium (18)
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Fe-56/Fe-54 (13)
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Fe-57 (1)
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Fe-57/Fe-54 (1)
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He-3 (5)
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He-4/He-3 (18)
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Hf-177/Hf-176 (139)
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Li-6 (1)
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Li-7 (4)
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Li-7/Li-6 (10)
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Mg-26/Mg-24 (13)
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Nd-144/Nd-142 (2)
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Nd-144/Nd-143 (490)
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Ne-22/Ne-20 (2)
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Ne-22/Ne-21 (2)
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Ni-60 (1)
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O-16 (1)
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O-17 (5)
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O-17/O-16 (4)
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O-18/O-16 (297)
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Os-187/Os-186 (1)
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Os-188/Os-187 (26)
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Pb-206 (2)
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Pb-207 (2)
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Pb-207/Pb-204 (131)
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Pb-207/Pb-206 (27)
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Pb-208 (1)
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Pb-208/Pb-204 (117)
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Pb-208/Pb-206 (6)
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Rb-87/Sr-86 (25)
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Re-187/Os-188 (7)
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S-32 (1)
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S-33 (1)
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S-33/S-32 (8)
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S-34 (1)
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S-34/S-32 (133)
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S-36 (1)
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Si-29 (1)
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Si-30 (2)
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Si-30/Si-28 (2)
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Sm-147/Nd-144 (47)
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Sr-86 (2)
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Sr-87 (2)
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Sr-87/Sr-86 (662)
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U-238/Pb-206 (1)
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Xe-132/Xe-129 (1)
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Xe-136/Xe-130 (1)
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Xe-136/Xe-132 (1)
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Zn-66 (1)
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-
-
large-ion lithophile elements (30)
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Lu/Hf (54)
-
metals
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actinides
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protactinium
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Pa-231 (1)
-
-
thorium
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Th-230 (4)
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Th-230/Ra-226 (3)
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Th-232/Th-230 (6)
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U-238/Th-230 (5)
-
U-238/Th-232 (2)
-
-
uranium
-
U-238 (4)
-
U-238/Pb-204 (3)
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U-238/Pb-206 (1)
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U-238/Th-230 (5)
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U-238/Th-232 (2)
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U-238/U-234 (1)
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U-238/U-235 (3)
-
-
-
alkali metals
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cesium
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Cs-137 (1)
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-
lithium
-
Li-6 (1)
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Li-7 (4)
-
Li-7/Li-6 (10)
-
-
potassium
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K-40 (1)
-
-
rubidium
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Rb-87/Sr-86 (25)
-
-
sodium (22)
-
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alkaline earth metals
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barium (35)
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beryllium
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Be-10 (1)
-
Be-10/Be-9 (1)
-
-
calcium (30)
-
magnesium
-
Mg-26/Mg-24 (13)
-
-
radium
-
Ra-226 (8)
-
Th-230/Ra-226 (3)
-
-
strontium
-
Rb-87/Sr-86 (25)
-
Sr-86 (2)
-
Sr-87 (2)
-
Sr-87/Sr-86 (662)
-
-
-
aluminum
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Al-27 (4)
-
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antimony (6)
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arsenic (12)
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bismuth (11)
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chromium (28)
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cobalt (10)
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copper (73)
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gallium (4)
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germanium (1)
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gold (59)
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hafnium
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Hf-177/Hf-176 (139)
-
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indium (2)
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iron
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Fe-56/Fe-54 (13)
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Fe-57 (1)
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Fe-57/Fe-54 (1)
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Fe-60 (1)
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ferric iron (34)
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ferrous iron (26)
-
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lead
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Pb-204 (2)
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Pb-206 (2)
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Pb-206/Pb-204 (166)
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Pb-207 (2)
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Pb-207/Pb-204 (131)
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Pb-207/Pb-206 (27)
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Pb-208 (1)
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Pb-208/Pb-204 (117)
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Pb-208/Pb-206 (6)
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Pb-210 (3)
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U-238/Pb-204 (3)
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-
-
manganese (15)
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nickel
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Ni-60 (1)
-
-
niobium (58)
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platinum group
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iridium (16)
-
iridium ores (6)
-
osmium
-
Os-187/Os-186 (1)
-
Os-188/Os-187 (26)
-
Re-187/Os-188 (7)
-
-
osmium ores (5)
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palladium (29)
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palladium ores (28)
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platinum (31)
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platinum ores (215)
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rhodium (10)
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rhodium ores (3)
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-
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polonium
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Po-210 (1)
-
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precious metals (39)
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rare earths
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cerium (19)
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holmium (1)
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lutetium (10)
-
neodymium
-
Nd-144/Nd-142 (2)
-
Nd-144/Nd-143 (490)
-
Sm-147/Nd-144 (47)
-
-
samarium
-
Sm-147/Nd-144 (47)
-
-
scandium (3)
-
terbium (5)
-
ytterbium (16)
-
yttrium (35)
-
-
rhenium
-
Re-187/Os-188 (7)
-
-
silver (18)
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tantalum (47)
-
thallium (2)
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tin (23)
-
titanium (71)
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tungsten (9)
-
vanadium (9)
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zinc
-
Zn-65 (1)
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Zn-66 (1)
-
-
zirconium (39)
-
-
nitrogen (10)
-
noble gases
-
argon
-
Ar-36 (1)
-
Ar-38/Ar-36 (2)
-
Ar-40 (1)
-
Ar-40/Ar-36 (5)
-
Ar-40/Ar-39 (11)
-
-
helium
-
He-3 (5)
-
He-4/He-3 (18)
-
-
neon
-
Ne-22/Ne-20 (2)
-
Ne-22/Ne-21 (2)
-
-
radon
-
Rn-222 (1)
-
-
xenon
-
Xe-132/Xe-129 (1)
-
Xe-136/Xe-130 (1)
-
Xe-136/Xe-132 (1)
-
-
-
oxygen
-
dissolved oxygen (1)
-
O-16 (1)
-
O-17 (5)
-
O-17/O-16 (4)
-
O-18 (3)
-
O-18/O-16 (297)
-
-
phosphorus (31)
-
selenium (11)
-
short-lived isotopes (2)
-
silicon
-
Si-29 (1)
-
Si-30 (2)
-
Si-30/Si-28 (2)
-
-
sulfur
-
S-32 (1)
-
S-33 (1)
-
S-33/S-32 (8)
-
S-34 (1)
-
S-34/S-32 (133)
-
S-36 (1)
-
-
tellurium (9)
-
trace metals (15)
-
-
fossils
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bacteria (1)
-
Chordata
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Vertebrata
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Tetrapoda
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Mammalia
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Theria
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Eutheria
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Artiodactyla
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Ruminantia
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Bovidae
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Bos (1)
-
-
-
-
Perissodactyla
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Hippomorpha
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Equidae
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Equus (1)
-
-
-
-
Proboscidea
-
Elephantoidea
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Elephantidae
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Elephas (1)
-
-
-
-
-
-
-
Reptilia
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Diapsida
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Archosauria
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dinosaurs (1)
-
-
-
-
-
-
-
Invertebrata
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Cnidaria
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Anthozoa (1)
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Protista
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Foraminifera (2)
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Radiolaria (1)
-
-
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microfossils
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palynomorphs
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Chitinozoa (1)
-
-
Plantae
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algae
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nannofossils (1)
-
-
-
-
geochronology methods
-
(U-Th)/He (5)
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Ar/Ar (194)
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exposure age (4)
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fission-track dating (9)
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K/Ar (132)
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Lu/Hf (54)
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Nd/Nd (13)
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optical mineralogy (2)
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Pb/Pb (36)
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radiation damage (1)
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Sr/Sr (14)
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thermochronology (20)
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thermoluminescence (2)
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U/Pb (625)
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uranium disequilibrium (18)
-
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geologic age
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Cenozoic
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Bronze Age (1)
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Quaternary
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Holocene
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Roman period (1)
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-
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Mazama Ash (1)
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Pleistocene
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lower Pleistocene (2)
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Matuyama Chron (1)
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middle Pleistocene (5)
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upper Pleistocene
-
Weichselian
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upper Weichselian
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Allerod (1)
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-
-
-
-
upper Quaternary
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Brunhes Chron (1)
-
-
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Tertiary
-
Calipuy Group (1)
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lower Tertiary (18)
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middle Tertiary (7)
-
Neogene
-
Miocene
-
Columbia River Basalt Group (37)
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Crater Flat Tuff (1)
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Frenchman Springs Member (1)
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Grande Ronde Basalt (17)
-
lower Miocene
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Burdigalian (1)
-
-
middle Miocene (22)
-
Paintbrush Tuff (4)
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Peach Springs Tuff (1)
-
Picture Gorge Basalt (5)
-
Saddle Mountains Basalt (5)
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Sarmatian (1)
-
Topopah Spring Member (3)
-
upper Miocene
-
Pannonian (2)
-
-
Wanapum Basalt (4)
-
Yakima Basalt (1)
-
-
Pliocene
-
lower Pliocene (5)
-
upper Pliocene (4)
-
-
upper Neogene (1)
-
-
Paleogene
-
Dongying Formation (1)
-
Eocene
-
Absaroka Supergroup (2)
-
lower Eocene (8)
-
middle Eocene
-
Lutetian (1)
-
-
Mirador Formation (1)
-
upper Eocene (8)
-
-
Ghost Rocks Formation (1)
-
lower Paleogene (4)
-
Oligocene
-
Fish Canyon Tuff (14)
-
Fontainebleau Sandstone (1)
-
lower Oligocene (2)
-
middle Oligocene (1)
-
upper Oligocene (6)
-
-
Paleocene
-
lower Paleocene
-
Danian (1)
-
K-T boundary (2)
-
-
upper Paleocene (3)
-
-
Paleocene-Eocene Thermal Maximum (1)
-
upper Paleogene (1)
-
-
Shahejie Formation (1)
-
Twin Sisters Dunite (1)
-
upper Tertiary (6)
-
Zambales Ophiolite (1)
-
-
upper Cenozoic
-
Newer Volcanics (1)
-
Villafranchian (1)
-
-
-
Dalradian (7)
-
Mesozoic
-
Bisbee Group (1)
-
Cretaceous
-
Comanchean (1)
-
Kuskokwim Group (1)
-
Lower Cretaceous
-
Albian (6)
-
Aptian (1)
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Barremian (1)
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Berriasian (1)
-
Hauterivian (1)
-
Valanginian (3)
-
Yingcheng Formation (1)
-
-
Middle Cretaceous (9)
-
Upper Cretaceous
-
Bagh Beds (1)
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Campanian (3)
-
Cenomanian (4)
-
Coniacian (1)
-
Kanguk Formation (1)
-
Kodiak Formation (1)
-
K-T boundary (2)
-
Maestrichtian (2)
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Santonian (1)
-
Senonian (1)
-
Tuolumne Intrusive Suite (21)
-
Turonian (2)
-
-
Valdez Group (2)
-
-
Franciscan Complex (7)
-
Great Valley Sequence (1)
-
Jurassic
-
Bonanza Group (2)
-
Coast Range Ophiolite (1)
-
Ferrar Group (6)
-
Kirkpatrick Basalt (1)
-
Lower Jurassic
-
Hampden Basalt (2)
-
Holyoke Basalt (2)
-
Laberge Group (1)
-
Talkeetna Formation (1)
-
upper Liassic (1)
-
-
Middle Jurassic
-
Dogger (1)
-
-
Rajmahal Series (1)
-
Smartville Complex (1)
-
Upper Jurassic
-
Galice Formation (2)
-
Josephine Ophiolite (3)
-
Kimmeridgian (1)
-
-
-
lower Mesozoic (16)
-
Newark Supergroup (4)
-
Nicoya Complex (2)
-
Serra Geral Formation (3)
-
Triassic
-
Lower Triassic
-
Olenekian (1)
-
Permian-Triassic boundary (13)
-
-
Middle Triassic
-
Anisian (1)
-
Ladinian (2)
-
Muschelkalk (1)
-
-
Mole Granite (2)
-
Nicola Group (4)
-
Upper Triassic
-
Carnian (1)
-
Karmutsen Group (2)
-
Lockatong Formation (1)
-
Norian (1)
-
Stormberg Series (1)
-
Stuhini Group (1)
-
-
-
upper Mesozoic
-
Yixian Formation (1)
-
-
Vaca Muerta Formation (1)
-
Yanshanian (4)
-
-
Moldanubian (8)
-
Paleozoic
-
Acatlan Complex (1)
-
Berea Sandstone (1)
-
Cambrian
-
Acadian (3)
-
Kanmantoo Group (2)
-
Lower Cambrian (13)
-
Middle Cambrian
-
Mount Scott Granite (1)
-
-
Mount Read Volcanics (2)
-
Upper Cambrian
-
Furongian (2)
-
Goldenville Formation (1)
-
-
-
Cape Elizabeth Formation (1)
-
Carboniferous
-
Lower Carboniferous
-
Asbian (1)
-
Dinantian (8)
-
-
Mississippian
-
Lower Mississippian (1)
-
Middle Mississippian
-
Visean
-
upper Visean (1)
-
-
-
Upper Mississippian (1)
-
-
Pennsylvanian
-
Upper Pennsylvanian (1)
-
Westerly Granite (1)
-
-
Upper Carboniferous
-
Stephanian (1)
-
Westphalian (3)
-
-
-
Casco Bay Group (1)
-
Devonian
-
Ackley Granite (1)
-
Fisset Brook Formation (1)
-
Heemskirk Granite (2)
-
Lower Devonian
-
Emsian (1)
-
Shap Granite (1)
-
-
Middle Devonian
-
Balaklala Rhyolite (2)
-
Copley Greenstone (1)
-
Eifelian (1)
-
-
Old Red Sandstone (4)
-
Popovich Formation (2)
-
Upper Devonian
-
Frasnian (2)
-
-
-
Leinster Granite (3)
-
lower Paleozoic
-
Bay of Islands Ophiolite (4)
-
Glenarm Series (1)
-
-
Madera Formation (1)
-
Matapedia Group (1)
-
middle Paleozoic (6)
-
Ordovician
-
Betts Cove Ophiolite (3)
-
Davidsville Group (1)
-
Lower Ordovician
-
Floian (1)
-
Tremadocian
-
Halifax Formation (2)
-
-
-
Meguma Group (13)
-
Middle Ordovician
-
Ammonoosuc Volcanics (1)
-
Deicke Bentonite Bed (1)
-
Llanvirnian (1)
-
Millbrig Bentonite Bed (1)
-
-
Skiddaw Slates (2)
-
Tetagouche Group (2)
-
Trenton Group (1)
-
Upper Ordovician
-
Caradocian
-
Borrowdale Volcanic Group (5)
-
-
Cortlandt Complex (2)
-
-
Vinini Formation (1)
-
-
Permian
-
Ecca Group (1)
-
Guadalupian
-
Capitanian (1)
-
-
Longtan Formation (1)
-
Lower Permian
-
Barakar Stage (1)
-
Cisuralian (1)
-
Wichita Group (1)
-
-
Maokou Formation (1)
-
Middle Permian (1)
-
Rotliegendes (1)
-
Upper Permian
-
Lopingian
-
Changhsingian (1)
-
-
Permian-Triassic boundary (13)
-
Zechstein (2)
-
-
Vryheid Formation (1)
-
Yeso Formation (1)
-
-
Shoo Fly Complex (1)
-
Silurian
-
Lower Silurian
-
Llandovery
-
Rhuddanian (1)
-
-
Wenlock (1)
-
-
Middle Silurian (1)
-
Upper Silurian
-
Ludlow (1)
-
Pridoli (1)
-
-
-
Talladega Group (1)
-
upper Paleozoic (29)
-
-
Phanerozoic (34)
-
Precambrian
-
Adirondack Anorthosite (2)
-
Animikie Group (2)
-
Archean
-
Aravalli System (2)
-
Blake River Group (8)
-
Bulawayan Group (2)
-
Eoarchean (7)
-
Iron Ore Group (2)
-
J-M Reef (10)
-
Mesoarchean (26)
-
Neoarchean
-
Amitsoq Gneiss (1)
-
Dharwar Supergroup (3)
-
Jiaodong Group (1)
-
Sargur Group (2)
-
-
Opemisca Group (1)
-
Paleoarchean
-
Hooggenoeg Formation (1)
-
-
Peninsular Gneiss (1)
-
Roy Group (1)
-
Singhbhum Granite (5)
-
Taihua Group (1)
-
Timiskaming Group (1)
-
Warrawoona Group (1)
-
Yellowknife Group (5)
-
-
Baltimore Gneiss (1)
-
Bijawar System (1)
-
Catoctin Formation (1)
-
Central Rand Group (2)
-
Cuddapah System (1)
-
Delhi Supergroup (2)
-
Eocambrian (1)
-
Fortescue Group (1)
-
Hadean (19)
-
Harbour Main Group (1)
-
Kisseynew Complex (1)
-
Laramie anorthosite complex (8)
-
Levack Gneiss (1)
-
Lewisian Complex (11)
-
middle Precambrian (1)
-
Nipissing Diabase (3)
-
North Shore Volcanics (3)
-
Onverwacht Group (3)
-
Osler Series (1)
-
Sakoli Group (2)
-
Sandia Granite (2)
-
Stillwater Complex (35)
-
Transvaal Supergroup (8)
-
upper Precambrian
-
Proterozoic
-
Banded Gneissic Complex (2)
-
Banxi Group (1)
-
Coldbrook Group (1)
-
Damara System (1)
-
Dedham Granodiorite (2)
-
Great Oxidation Event (1)
-
Huronian
-
Gowganda Formation (1)
-
Onaping Formation (1)
-
-
Hutuo Group (1)
-
Isan Orogeny (1)
-
Keweenawan
-
Portage Lake Lava Series (1)
-
-
Lewisian (5)
-
Malmani Subgroup (4)
-
Mesoproterozoic
-
Apache Group (1)
-
Belt Supergroup (3)
-
Ectasian (1)
-
Gawler Range Volcanics (4)
-
Helena Formation (1)
-
Helikian
-
Neohelikian (3)
-
-
Hiltaba Suite (2)
-
Laxfordian (3)
-
Stenian (1)
-
-
Neoproterozoic
-
Cryogenian (4)
-
Ediacaran (9)
-
Hadrynian (2)
-
Horsethief Creek Group (1)
-
Marinoan (1)
-
Moine Supergroup (2)
-
Moinian (1)
-
Riphean
-
upper Riphean (1)
-
-
Tonian (5)
-
Torridonian (2)
-
Vendian (9)
-
-
Paleoproterozoic
-
Aphebian
-
Hurwitz Group (1)
-
-
Birimian (3)
-
Dhanjori Group (1)
-
Hemlock Formation (1)
-
Qinling Group (1)
-
Rhyacian (2)
-
Rooiberg Group (7)
-
Rustenburg Layered Suite (9)
-
Siderian (1)
-
Statherian (1)
-
Svecofennian (4)
-
Virginia Formation (9)
-
Wollaston Group (1)
-
-
Pretoria Group (1)
-
Sinian
-
Xiong'er Group (1)
-
-
-
-
Ventersdorp Supergroup (2)
-
Waterberg System (2)
-
Witwatersrand Supergroup (2)
-
Yellowjacket Formation (1)
-
-
-
igneous rocks
-
extrusive rocks (19)
-
igneous rocks
-
carbonatites
-
sovite (3)
-
-
feldspathoid rocks (16)
-
granophyre (36)
-
hypabyssal rocks (38)
-
kamafugite (3)
-
kimberlite (96)
-
peperite (7)
-
phoscorites (4)
-
picrite (64)
-
plutonic rocks
-
alnoite (3)
-
anorthosite (122)
-
appinite (6)
-
crinanite (2)
-
diabase
-
diabase porphyry (1)
-
olivine diabase (1)
-
quartz diabase (1)
-
tholeiitic dolerite (6)
-
-
diorites
-
diorite porphyry (4)
-
ferrodiorite (7)
-
microdiorite (3)
-
plagiogranite (26)
-
quartz diorites (34)
-
tonalite
-
enderbite (3)
-
-
trondhjemite (38)
-
-
essexite (6)
-
gabbros
-
alkali gabbros
-
teschenite (4)
-
-
anorthositic gabbro (2)
-
labradoritite (1)
-
microgabbro (4)
-
norite (80)
-
olivine gabbro (10)
-
troctolite (66)
-
-
granites
-
adamellite (7)
-
alaskite (6)
-
alkali granites (21)
-
aplite (35)
-
A-type granites (82)
-
biotite granite (22)
-
charnockite (25)
-
felsite (6)
-
granite porphyry (19)
-
granosyenite (4)
-
graphic granite (2)
-
I-type granites (54)
-
leucogranite (91)
-
microgranite (12)
-
micropegmatite (4)
-
monzogranite (64)
-
muscovite granite (8)
-
rapakivi (19)
-
S-type granites (48)
-
two-mica granite (17)
-
-
granodiorites
-
granodiorite porphyry (3)
-
-
ijolite (12)
-
lamproite (28)
-
lamprophyres
-
camptonite (9)
-
kersantite (2)
-
minette (16)
-
monchiquite (4)
-
spessartite (5)
-
vogesite (3)
-
-
monzodiorite (34)
-
monzonites
-
mangerite (13)
-
-
pegmatite (194)
-
quartz monzonite (32)
-
sovite (3)
-
syenites
-
albitite (6)
-
alkali syenites (13)
-
granosyenite (4)
-
microsyenite (1)
-
nepheline syenite
-
agpaite (8)
-
foyaite (2)
-
kakortokite (1)
-
lujavrite (2)
-
miaskite (2)
-
-
pulaskite (2)
-
quartz syenite (29)
-
shonkinite (12)
-
syenite porphyry (5)
-
-
syenodiorite (2)
-
ultramafics
-
chromitite (68)
-
hornblendite (6)
-
olivinite (2)
-
peridotites
-
dunite (62)
-
garnet lherzolite (6)
-
garnet peridotite (3)
-
harzburgite (54)
-
lherzolite (42)
-
spinel lherzolite (10)
-
spinel peridotite (4)
-
-
pyroxenite
-
clinopyroxenite (19)
-
garnet pyroxenite (3)
-
orthopyroxenite
-
bronzitite (1)
-
-
websterite (16)
-
-
-
urtite (1)
-
-
porphyry
-
vitrophyre (5)
-
-
volcanic rocks
-
adakites (56)
-
andesites
-
andesite porphyry (2)
-
boninite (34)
-
-
basalts
-
alkali basalts
-
alkali olivine basalt (17)
-
hawaiite (35)
-
mugearite (21)
-
spilite (2)
-
trachybasalts (20)
-
trachydolerite (1)
-
-
columnar basalt (2)
-
flood basalts (109)
-
mare basalts (1)
-
mid-ocean ridge basalts (159)
-
ocean-island basalts (72)
-
olivine basalt (8)
-
olivine tholeiite (15)
-
shoshonite (44)
-
tholeiite (82)
-
tholeiitic basalt (55)
-
trap rocks (13)
-
-
basanite
-
ankaramite (7)
-
-
benmoreite (9)
-
dacites (129)
-
glasses
-
obsidian (16)
-
pitchstone (1)
-
volcanic glass (45)
-
-
keratophyre
-
albitophyre (1)
-
quartz keratophyre (1)
-
-
komatiite (82)
-
latite (16)
-
leucitite (5)
-
limburgite (2)
-
meimechite (5)
-
melilitite (13)
-
nephelinite
-
ankaratrite (2)
-
olivine nephelinite (5)
-
-
phonolites
-
tinguaite (3)
-
-
pyroclastics
-
ash-flow tuff (36)
-
hyaloclastite (8)
-
ignimbrite (83)
-
pumice (67)
-
rhyolite tuff (11)
-
scoria (10)
-
tuff (115)
-
tuffite (2)
-
welded tuff (8)
-
-
quartz latite (4)
-
rhyodacites (33)
-
rhyolites
-
comendite (9)
-
liparite (1)
-
pantellerite (12)
-
quartz porphyry (5)
-
rhyolite porphyry (1)
-
-
tephrite (11)
-
trachyandesites
-
absarokite (11)
-
-
trachytes (81)
-
vitrophyre (5)
-
-
-
ophiolite (110)
-
ophite (2)
-
pyrolite (1)
-
volcanic ash (28)
-
wehrlite (23)
-
-
metamorphic rocks
-
K-bentonite (3)
-
metabentonite (2)
-
metamorphic rocks
-
amphibolites
-
orthoamphibolite (1)
-
-
cataclasites (2)
-
eclogite (40)
-
fulgurite (1)
-
garnetite (1)
-
gneisses
-
augen gneiss (10)
-
granite gneiss (20)
-
orthogneiss (32)
-
paragneiss (12)
-
tonalite gneiss (2)
-
-
granulites
-
leptite (3)
-
-
hornfels (4)
-
impactites
-
impact breccia
-
lunar breccia (1)
-
-
-
marbles (16)
-
metacarbonate rocks (1)
-
metaigneous rocks
-
meta-andesite (3)
-
meta-anorthosite (2)
-
metabasalt (38)
-
metabasite (12)
-
metadiabase (5)
-
metadiorite (3)
-
metagabbro (31)
-
metagranite (22)
-
metakomatiite (7)
-
metaperidotite (7)
-
metapyroxenite (3)
-
metarhyolite (4)
-
metatuff (2)
-
serpentinite (13)
-
-
metaplutonic rocks (25)
-
metasedimentary rocks
-
khondalite (2)
-
metachert (1)
-
metagraywacke (3)
-
metapelite (19)
-
metasandstone (1)
-
paragneiss (12)
-
-
metasomatic rocks
-
fenite (6)
-
greisen (20)
-
propylite (1)
-
rodingite (2)
-
serpentinite (13)
-
skarn (51)
-
tactite (1)
-
-
metavolcanic rocks (102)
-
migmatites
-
anatexite (6)
-
-
mylonites
-
blastomylonite (1)
-
pseudotachylite (4)
-
-
phyllites (1)
-
quartzites (9)
-
schists
-
biotite schist (1)
-
blueschist (2)
-
chlorite schist (1)
-
epidiorite (1)
-
greenstone (22)
-
muscovite schist (1)
-
tourmalinite (1)
-
-
slates (8)
-
-
ophiolite (110)
-
ophite (2)
-
turbidite (7)
-
-
meteorites
-
meteorites
-
Allan Hills Meteorites
-
ALH 84001 (1)
-
-
iron meteorites (1)
-
Northwest Africa Meteorites (1)
-
Queen Alexandra Range Meteorites
-
QUE 94201 (2)
-
-
stony meteorites
-
achondrites
-
angrite (2)
-
eucrite
-
Pasamonte Meteorite (1)
-
-
lunar meteorites (2)
-
Martian meteorites
-
ALH 84001 (1)
-
SNC Meteorites
-
chassignite
-
Chassigny Meteorite (2)
-
-
nakhlite (1)
-
shergottite
-
QUE 94201 (2)
-
Shergotty Meteorite (4)
-
Zagami Meteorite (1)
-
-
-
-
-
chondrites
-
enstatite chondrites (1)
-
-
-
-
-
minerals
-
alloys
-
carbides
-
moissanite (3)
-
-
hedleyite (1)
-
niggliite (1)
-
nitrides (2)
-
-
antimonides (5)
-
arsenides
-
arsenopyrite (4)
-
cobaltite (4)
-
gersdorffite (5)
-
nickeline (2)
-
sperrylite (7)
-
-
bismuthides
-
froodite (3)
-
michenerite (4)
-
-
borates (2)
-
carbonates
-
ankerite (4)
-
aragonite (5)
-
azurite (1)
-
bastnaesite (4)
-
calcite (38)
-
cancrinite (1)
-
dawsonite (2)
-
dolomite (16)
-
magnesite (5)
-
malachite (1)
-
nahcolite (1)
-
parisite (2)
-
rhodochrosite (1)
-
shortite (1)
-
siderite (6)
-
spurrite (1)
-
synchysite (1)
-
witherite (1)
-
-
copper minerals (1)
-
halides
-
chlorides
-
atacamite (1)
-
carnallite (1)
-
eudialyte (5)
-
halite (9)
-
sylvite (3)
-
-
fluorides
-
bastnaesite (4)
-
cryolite (3)
-
fluorite (20)
-
parisite (2)
-
prosopite (2)
-
synchysite (1)
-
topaz (19)
-
triplite (1)
-
zinnwaldite (1)
-
-
-
hydrates (7)
-
iron minerals (1)
-
K-bentonite (3)
-
metabentonite (2)
-
minerals (187)
-
molybdates
-
umohoite (1)
-
wulfenite (1)
-
-
native elements
-
diamond
-
microdiamond (1)
-
-
graphite (13)
-
-
oxides
-
aluminum oxides (9)
-
anatase (2)
-
armalcolite (1)
-
baddeleyite (18)
-
brannerite (1)
-
brucite (2)
-
cassiterite (22)
-
chrome spinel (39)
-
chromite (60)
-
corundum (11)
-
ferropericlase (2)
-
gahnite (1)
-
germanates (1)
-
hematite (14)
-
hercynite (5)
-
hibonite (2)
-
hollandite (1)
-
ilmenite (66)
-
iron oxides (45)
-
jacobsite (1)
-
limonite (1)
-
magnesioferrite (1)
-
magnesium oxides (5)
-
magnetite (101)
-
manganite (1)
-
niobates
-
aeschynite (1)
-
betafite (1)
-
columbite (18)
-
euxenite (1)
-
fergusonite (3)
-
loparite (2)
-
pyrochlore (10)
-
samarskite (1)
-
tapiolite (2)
-
-
periclase (1)
-
perovskite (15)
-
pitchblende (2)
-
pseudobrookite (1)
-
pyrophanite (1)
-
rutile (27)
-
sapphire (6)
-
spinel (60)
-
spinel group (5)
-
tantalates
-
betafite (1)
-
euxenite (1)
-
microlite (9)
-
stibiotantalite (2)
-
tantalite (17)
-
wodginite (3)
-
-
titanium oxides (22)
-
titanomagnetite (29)
-
ulvospinel (8)
-
uraninite (6)
-
wustite (2)
-
zirconolite (2)
-
zirkelite (1)
-
-
phosphates
-
amblygonite (3)
-
apatite (137)
-
britholite (2)
-
chlorapatite (2)
-
fluorapatite (16)
-
graftonite (1)
-
hydroxylapatite (1)
-
lithiophilite (1)
-
merrillite (2)
-
monazite (39)
-
montebrasite (1)
-
plumbogummite (1)
-
rhabdophane (1)
-
sarcopside (1)
-
triplite (1)
-
whitlockite (3)
-
xenotime (10)
-
-
platinum minerals (27)
-
selenides (1)
-
silicates
-
aluminosilicates
-
maskelynite (1)
-
-
borosilicates (4)
-
chain silicates
-
aenigmatite group
-
aenigmatite (5)
-
rhonite (1)
-
sapphirine (2)
-
-
amphibole group
-
clinoamphibole
-
actinolite (6)
-
arfvedsonite (7)
-
cummingtonite (3)
-
edenite (2)
-
glaucophane (1)
-
grunerite (1)
-
hastingsite (8)
-
hornblende (74)
-
kaersutite (17)
-
nephrite (1)
-
pargasite (8)
-
richterite (1)
-
riebeckite (4)
-
tremolite (1)
-
tschermakite (5)
-
-
orthoamphibole
-
gedrite (1)
-
-
-
astrophyllite (2)
-
bavenite (1)
-
prehnite (3)
-
pyroxene group
-
alkalic pyroxene (1)
-
clinopyroxene
-
aegirine (16)
-
aegirine-augite (1)
-
augite (30)
-
chrome diopside (3)
-
clinoenstatite (2)
-
diopside (41)
-
fassaite (1)
-
hedenbergite (10)
-
jadeite (6)
-
omphacite (1)
-
pigeonite (11)
-
salite (1)
-
spodumene (12)
-
-
orthopyroxene
-
enstatite (14)
-
ferrosilite (2)
-
hypersthene (6)
-
-
-
wollastonite group
-
pectolite (1)
-
wollastonite (11)
-
-
-
feldspathoids (3)
-
framework silicates
-
cancrinite (1)
-
feldspar group
-
alkali feldspar
-
adularia (4)
-
amazonite (4)
-
anorthoclase (8)
-
K-feldspar (46)
-
microcline (2)
-
orthoclase (7)
-
perthite (2)
-
sanidine (31)
-
-
plagioclase
-
albite (31)
-
anorthite (32)
-
bytownite (4)
-
labradorite (2)
-
oligoclase (2)
-
peristerite (1)
-
-
-
leucite (11)
-
myrmekite (1)
-
nepheline group
-
kalsilite (2)
-
nepheline (23)
-
-
pseudoleucite (5)
-
scapolite group
-
scapolite (1)
-
-
silica minerals
-
amethyst (2)
-
chalcedony (2)
-
coesite (2)
-
cristobalite (1)
-
opal
-
opal-A (1)
-
-
quartz (147)
-
stishovite (1)
-
tridymite (3)
-
-
sodalite group
-
hauyne (5)
-
helvite (1)
-
lazurite (2)
-
nosean (3)
-
sodalite (6)
-
tugtupite (1)
-
-
zeolite group
-
analcime (7)
-
natrolite (2)
-
phillipsite (1)
-
pollucite (4)
-
-
-
magnesian silicates (2)
-
orthosilicates
-
nesosilicates
-
andalusite (6)
-
britholite group
-
britholite (2)
-
-
datolite group
-
gadolinite (2)
-
-
dumortierite (1)
-
garnet group
-
almandine (4)
-
andradite (7)
-
grossular (5)
-
majorite (1)
-
pyrope (9)
-
spessartine (4)
-
uvarovite (1)
-
-
kyanite (5)
-
merwinite (1)
-
olivine group
-
fayalite (16)
-
forsterite (32)
-
kirschsteinite (1)
-
monticellite (7)
-
olivine (255)
-
peridot (1)
-
ringwoodite (2)
-
wadsleyite (2)
-
-
sillimanite (9)
-
spurrite (1)
-
staurolite (2)
-
titanite group
-
titanite (47)
-
-
topaz (19)
-
zircon group
-
coffinite (2)
-
thorite (5)
-
zircon (597)
-
-
-
sorosilicates
-
chevkinite group
-
chevkinite (3)
-
perrierite (1)
-
-
epidote group
-
allanite (12)
-
epidote (19)
-
zoisite (1)
-
-
lawsonite (2)
-
melilite group
-
gehlenite (2)
-
melilite (8)
-
-
thortveitite group
-
yttrialite (1)
-
-
vesuvianite (2)
-
-
-
ring silicates
-
aquamarine (2)
-
beryl (14)
-
cordierite (17)
-
emerald (1)
-
eudialyte (5)
-
milarite group
-
milarite (2)
-
roedderite (1)
-
-
tourmaline group
-
dravite (4)
-
elbaite (6)
-
schorl (7)
-
uvite (1)
-
-
-
sheet silicates
-
cerolite (1)
-
chlorite group
-
chlorite (14)
-
-
clay minerals
-
dickite (3)
-
halloysite (1)
-
kaolinite (7)
-
montmorillonite (1)
-
nacrite (2)
-
saponite (1)
-
smectite (4)
-
vermiculite (1)
-
-
corrensite (1)
-
illite (5)
-
margarite (1)
-
mica group
-
annite (4)
-
biotite (133)
-
celadonite (3)
-
fluor-phlogopite (2)
-
lepidolite (12)
-
muscovite (41)
-
paragonite (2)
-
phengite (3)
-
phlogopite (47)
-
polylithionite (2)
-
zinnwaldite (1)
-
-
petalite (4)
-
pyrophyllite (2)
-
sericite (8)
-
serpentine group
-
antigorite (1)
-
berthierine (1)
-
lizardite (1)
-
serpentine (7)
-
-
stilpnomelane (1)
-
talc (3)
-
-
-
sulfates
-
alunite (14)
-
anhydrite (17)
-
barite (7)
-
bassanite (1)
-
gypsum (1)
-
jarosite (1)
-
kieserite (1)
-
lazurite (2)
-
-
sulfides
-
aikinite (1)
-
alabandite (1)
-
arsenopyrite (4)
-
bismuthinite (3)
-
bornite (10)
-
chalcopyrite (37)
-
cinnabar (1)
-
cobaltite (4)
-
cooperite (1)
-
copper sulfides (14)
-
cubanite (7)
-
galena (9)
-
gersdorffite (5)
-
heazlewoodite (1)
-
helvite (1)
-
iron sulfides (5)
-
jordisite (1)
-
joseite (1)
-
laurite (5)
-
lazurite (2)
-
marcasite (4)
-
molybdenite (32)
-
nickel sulfides (18)
-
niningerite (1)
-
oldhamite (1)
-
orpiment (1)
-
pentlandite (26)
-
pyrite (41)
-
pyrrhotite (29)
-
realgar (1)
-
siegenite (1)
-
sphalerite (9)
-
stibnite (1)
-
talnakhite (2)
-
tetradymite (1)
-
troilite (3)
-
violarite (2)
-
-
sulfosalts
-
sulfantimonites
-
freibergite (1)
-
tetrahedrite (2)
-
-
sulfarsenates
-
enargite (4)
-
-
sulfarsenites
-
tennantite (1)
-
-
sulfobismuthites
-
wittichenite (2)
-
-
-
tellurides
-
altaite (1)
-
calaverite (1)
-
hedleyite (1)
-
hessite (1)
-
joseite (1)
-
sylvanite (1)
-
tellurobismuthite (1)
-
tetradymite (1)
-
-
tungstates
-
ferberite (1)
-
scheelite (6)
-
wolframite (6)
-
-
ultrabasite (2)
-
vanadates (2)
-
wehrlite (23)
-
-
Primary terms
-
absolute age (993)
-
academic institutions (2)
-
Africa
-
Afar (11)
-
Cape Verde Islands (5)
-
Central Africa
-
Angola (3)
-
Burundi (1)
-
Congo (1)
-
Congo Democratic Republic
-
Kivu Congo Democratic Republic (1)
-
Shaba Congo Democratic Republic (1)
-
-
Lake Kivu (1)
-
Rwanda (1)
-
-
Congo Craton (3)
-
East Africa
-
Afar Depression (5)
-
Djibouti (12)
-
Ethiopia (13)
-
Ethiopian Rift (4)
-
Kenya
-
East Turkana Basin (1)
-
Kenya Rift valley (11)
-
-
Lake Natron (1)
-
Lake Turkana (1)
-
Malawi (1)
-
Mozambique
-
Tete Mozambique (1)
-
-
Sudan (3)
-
Tanzania
-
Kilimanjaro (1)
-
Oldoinyo Lengai (20)
-
-
Turkana Basin (3)
-
Uganda (5)
-
Zambia
-
Lusaka Zambia (1)
-
-
-
East African Lakes
-
Lake Baringo (1)
-
Lake Kivu (1)
-
Lake Natron (1)
-
Lake Turkana (1)
-
-
East African Rift (15)
-
Gregory Rift (2)
-
Limpopo Basin (1)
-
Limpopo Belt (5)
-
Madagascar
-
Antananarivo Madagascar (1)
-
Mahajanga Basin (2)
-
-
Mozambique Belt (2)
-
North Africa
-
Algeria
-
Ahaggar (3)
-
Great Kabylia (1)
-
-
Atlas Mountains
-
Moroccan Atlas Mountains
-
Anti-Atlas (1)
-
High Atlas (1)
-
-
-
Egypt
-
Eastern Desert (13)
-
Safaga Egypt (1)
-
Sinai Egypt (2)
-
-
Libya (1)
-
Morocco
-
Marrakech Morocco (1)
-
Moroccan Atlas Mountains
-
Anti-Atlas (1)
-
High Atlas (1)
-
-
Rif
-
Beni Bouchera (1)
-
-
-
Tunisia (1)
-
-
Nubian Shield (13)
-
Red Sea Hills (1)
-
Sahara (1)
-
Southern Africa
-
Barberton greenstone belt (12)
-
Botswana (8)
-
Kaapvaal Craton (27)
-
Kalahari Craton (1)
-
Karoo Basin (20)
-
Lesotho (4)
-
Namaqualand (9)
-
Namaqualand metamorphic complex (3)
-
Namibia
-
Damara Belt (4)
-
Kaoko Belt (2)
-
-
South Africa
-
Bushveld Complex (144)
-
Cape Province region (11)
-
Eastern Cape Province South Africa (2)
-
Free State South Africa
-
Vredefort Dome (1)
-
-
Gauteng South Africa
-
Pretoria South Africa (1)
-
-
KwaZulu-Natal South Africa (2)
-
Limpopo South Africa (3)
-
Merensky Reef (39)
-
Mpumalanga South Africa
-
Barberton Mountain Land (1)
-
-
Northern Cape Province South Africa
-
Kimberley South Africa (5)
-
-
North-West Province South Africa (1)
-
Transvaal region (65)
-
Western Cape Province South Africa (1)
-
Witwatersrand (5)
-
-
Swaziland (3)
-
Zimbabwe
-
Belingwe greenstone belt (3)
-
Great Dyke (10)
-
-
-
West Africa
-
Benue Valley (1)
-
Cameroon
-
Mount Cameroon (1)
-
-
Chad (2)
-
Ghana (3)
-
Guinea (2)
-
Ivory Coast (3)
-
Mali (1)
-
Niger (2)
-
Nigeria (6)
-
Senegal (1)
-
Sierra Leone (2)
-
-
West African Craton (1)
-
West African Shield (1)
-
Zambezi Valley (2)
-
Zimbabwe Craton (6)
-
-
Antarctica
-
Antarctic ice sheet
-
West Antarctic ice sheet (2)
-
-
Antarctic Peninsula
-
Graham Land (2)
-
-
East Antarctica (4)
-
Ellsworth Land
-
Ellsworth Mountains (1)
-
-
James Ross Island (2)
-
Marie Byrd Land
-
Fosdick Mountains (1)
-
-
Queen Maud Land (9)
-
Ross Island (3)
-
South Shetland Islands
-
Deception Island (2)
-
-
Transantarctic Mountains
-
Pensacola Mountains
-
Dufek Intrusion (2)
-
-
Queen Maud Range (1)
-
-
Vestfold Hills (1)
-
Victoria Land
-
McMurdo dry valleys
-
Wright Valley (1)
-
-
-
West Antarctica (3)
-
-
Arctic Ocean
-
Canada Basin (1)
-
Mid-Arctic Ocean Ridge (1)
-
Norwegian Sea
-
More Basin (5)
-
Voring Basin (3)
-
Voring Plateau (3)
-
-
-
Arctic region
-
Greenland
-
Akilia (1)
-
East Greenland (22)
-
Fiskenaesset Greenland (2)
-
Godthabsfjord (1)
-
Igaliku Complex (3)
-
Ilimaussaq (8)
-
Isua Belt (4)
-
Jameson Land (1)
-
Kangerlussuaq (3)
-
Northern Greenland (1)
-
Nuuk Greenland (4)
-
Peary Land (2)
-
Skaergaard Intrusion (27)
-
South Greenland (24)
-
West Greenland (10)
-
-
Russian Arctic
-
Franz Josef Land (1)
-
-
-
Asia
-
Altai Mountains
-
Gorny Altai (10)
-
Kalba Range (1)
-
Kuznetsk Alatau (5)
-
Mongolian Altai (3)
-
-
Altai Russian Federation
-
Gorny Altai (10)
-
-
Altai-Sayan region (13)
-
Amur region (1)
-
Amur Russian Federation (2)
-
Arabian Peninsula
-
Arabian Shield (13)
-
Oman
-
Oman Mountains (2)
-
-
Saudi Arabia
-
Hail Saudi Arabia (1)
-
-
United Arab Emirates (1)
-
Yemen (2)
-
-
Baikal region (23)
-
Baikal rift zone (3)
-
Buryat Russian Federation
-
Vitim Plateau (7)
-
-
Central Asia
-
Kazakhstan
-
Aktyubinsk Kazakhstan
-
Zhamanshin Crater (1)
-
-
Eastern Kazakhstan (4)
-
Kalba Range (1)
-
Kokchetav Kazakhstan
-
Kokchetav Massif (4)
-
-
-
Kyzylkum (1)
-
Pamirs (6)
-
-
Chukotka Russian Federation
-
Chukchi Peninsula (3)
-
-
Dzhugdzhur region (1)
-
Far East
-
Borneo
-
Kalimantan Indonesia (3)
-
-
Burma (6)
-
Cambodia (2)
-
China
-
Altyn Tagh Fault (2)
-
Anhui China (5)
-
Da Hinggan Ling (8)
-
Dabie Mountains (11)
-
Datong China (1)
-
Fujian China (3)
-
Gansu China
-
Hexi Corridor (1)
-
-
Guangdong China
-
Leizhou Peninsula (1)
-
-
Guangxi China (1)
-
Guiyang China (1)
-
Guizhou China (2)
-
Hainan China (4)
-
Hebei China
-
Beijing China (1)
-
Yanshan Range (2)
-
-
Heilongjiang China
-
Xiao Hinggan Ling (1)
-
-
Henan China (5)
-
Hong Kong (2)
-
Hubei China (1)
-
Hunan China (2)
-
Inner Mongolia China
-
Bayan Obo China (3)
-
-
Jiangsu China
-
Xuzhou China (1)
-
-
Jiangxi China (9)
-
Jilin China (5)
-
Kunlun Fault (1)
-
Kunlun Mountains (7)
-
Liaoning China
-
Liaodong Peninsula (6)
-
-
Macau (1)
-
Nanling (3)
-
North China Platform (65)
-
Qaidam Basin (2)
-
Qilian Mountains (7)
-
Qinghai China (5)
-
Qinling Mountains (10)
-
Sanjiang (5)
-
Shaanxi China (2)
-
Shandong China
-
Shandong Peninsula (5)
-
-
Shanxi China (3)
-
Sichuan China
-
Panxi Rift (1)
-
-
Songliao Basin (3)
-
South China Block (23)
-
Sulu Terrane (8)
-
Taihang Mountains (2)
-
Tancheng-Lujiang Fault (1)
-
Tarim Platform (14)
-
Tongbai Mountains (1)
-
Tongling China (3)
-
Xiaoqinling Mountains (1)
-
Xinjiang China
-
Junggar (6)
-
Junggar Basin (3)
-
Taklimakan Desert (1)
-
Tarim Basin (4)
-
-
Xizang China
-
Gangdese Belt (17)
-
Lhasa Block (9)
-
Lhasa China (1)
-
-
Yangtze Platform (13)
-
Yangtze River (1)
-
Yangtze River valley (3)
-
Yunnan China
-
Ailao Shan (4)
-
Tengchong (5)
-
-
Zhejiang China (3)
-
-
Indochina (3)
-
Indonesia
-
Celebes (2)
-
Irian Jaya Indonesia (1)
-
Java
-
Galunggung (1)
-
Merapi (2)
-
-
Kalimantan Indonesia (3)
-
Sumatra
-
Toba Lake (6)
-
-
Sunda Arc (3)
-
Tambora (1)
-
-
Japan
-
Green tuff region (1)
-
Hokkaido
-
Hidaka metamorphic belt (5)
-
Hidaka Mountains (2)
-
Usu (2)
-
-
Honshu
-
Abukuma Mountains (2)
-
Akita Japan
-
Oga Peninsula (1)
-
-
Asama (1)
-
Hida metamorphic belt (1)
-
Iwate Japan
-
Kakkonda Field (1)
-
Kitakami Mountains (1)
-
Onikobe Field (1)
-
-
Izu Peninsula (2)
-
Izu-shichito
-
Miyake-Jima (3)
-
-
Japanese Alps
-
Hida Mountains (1)
-
-
Matsushiro Japan (1)
-
Mino Belt (1)
-
Niigata Japan (1)
-
Ryoke Belt (2)
-
Shimane Japan (3)
-
Tanzawa Mountains (1)
-
Wakayama Japan (1)
-
Yamaguchi Japan (1)
-
-
Honshu Arc (1)
-
Inland Sea (1)
-
Koma-ga-take (1)
-
Kyushu
-
Iki Island (1)
-
Kagoshima Japan
-
Aira Caldera (2)
-
Sakura-jima (4)
-
-
Kirishima (2)
-
Nagasaki Japan
-
Unzen (3)
-
-
Oita Japan
-
Beppu Japan (1)
-
Kuju (1)
-
-
-
Ryukyu Islands
-
Okinawa (1)
-
-
Shikoku (2)
-
-
Korea
-
North Korea (2)
-
South Korea
-
Cheju Island (2)
-
Okcheon Belt (1)
-
-
-
Lesser Sunda Islands
-
Tambora (1)
-
-
Luzon Arc (1)
-
Malay Peninsula
-
West Malaysia
-
Johore Malaysia (1)
-
-
-
Malaysia
-
West Malaysia
-
Johore Malaysia (1)
-
-
-
Mongolia
-
Hangay Mountains (1)
-
Mongolian Altai (3)
-
-
Philippine Islands
-
Cebu Philippine Islands (1)
-
Luzon
-
Bataan Philippine Islands (1)
-
Mayon (1)
-
Mount Pinatubo (18)
-
Taal (1)
-
-
Mindanao (1)
-
Samar (1)
-
-
Sino-Korean Platform (3)
-
Taiwan
-
Taipei Taiwan (1)
-
Tatun Shan (2)
-
-
Thailand (5)
-
Vietnam
-
Dalat Vietnam (1)
-
-
-
Gobi Desert (4)
-
Himalayas
-
Garhwal Himalayas (1)
-
Kumaun Himalayas (1)
-
Lesser Himalayas (4)
-
Nanga Parbat (4)
-
Zanskar Range (1)
-
-
Indian Peninsula
-
Afghanistan (2)
-
Bhutan (1)
-
India
-
Andhra Pradesh India
-
Anantapur India (3)
-
Cuddapah Basin (4)
-
Cuddapah India (2)
-
Khammam India (1)
-
Kurnool India (1)
-
Nellore India (1)
-
Nellore mica belt (2)
-
Prakasam India (4)
-
Rajahmundry India (1)
-
-
Bastar Craton (11)
-
Bengal Islands
-
Andaman Islands (4)
-
-
Bhagirathi River (1)
-
Bihar India (6)
-
Bundelkhand (4)
-
Cauvery Basin (1)
-
Chhattisgarh India
-
Bastar India (1)
-
Surguja India (1)
-
-
Damodar Valley (1)
-
Deccan Plateau (4)
-
Dharwar Craton (24)
-
Ghats
-
Eastern Ghats (4)
-
Western Ghats (4)
-
-
Goa India (1)
-
Gujarat India
-
Amba Dongar (4)
-
Baroda India (1)
-
Girnar Hills (1)
-
Kutch India (2)
-
Panch Mahals India (2)
-
Saurashtra (2)
-
-
Haryana India (1)
-
Himachal Pradesh India
-
Mandi India (1)
-
-
Jharkhand India
-
Singhbhum India (2)
-
-
Karnataka India
-
Chitradurga India
-
Ingaldhal (1)
-
-
Chitradurga schist belt (2)
-
Closepet Granite (3)
-
Kanara (1)
-
Mysore India (3)
-
-
Kerala India
-
Cannanore India (1)
-
Trivandrum India (1)
-
-
Kolar India (1)
-
Kolar schist belt (2)
-
Madhya Pradesh India
-
Chhindwara India (1)
-
Sidhi India (1)
-
-
Maharashtra India
-
Mumbai India (3)
-
Poona India (2)
-
-
Narmada Valley (1)
-
Northeastern India
-
Arunachal Pradesh India (4)
-
Assam India (2)
-
Manipur India (1)
-
Meghalaya India (7)
-
-
Orissa India
-
Dhenkanal India (1)
-
Keonjhar India (1)
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Koraput India (1)
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IPOD
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Integrated Ocean Drilling Program
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Expedition 324
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Mexico
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helium
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radon
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xenon
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North America
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Ocean Drilling Program
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Leg 104 (1)
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Leg 114
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Leg 115
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ODP Site 706 (2)
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Leg 119
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Leg 120
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ODP Site 747 (1)
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Leg 121
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ODP Site 758 (2)
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Leg 129 (1)
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ODP Site 896 (1)
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Leg 152 (1)
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Leg 165
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ODP Site 1000 (1)
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Leg 170
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ODP Site 1039 (1)
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ODP Site 1040 (1)
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Leg 173 (1)
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Leg 183
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ODP Site 1136 (1)
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Leg 184
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ODP Site 1143 (1)
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ODP Site 1148 (1)
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Leg 185
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ODP Site 1149 (1)
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Leg 193
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ODP Site 1188 (1)
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ODP Site 801 (1)
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ocean floors (97)
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Oceania
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Paleozoic
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Permian-Triassic boundary (13)
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GeoRef Categories
Era and Period
Epoch and Age
Book Series
Date
Availability
magmas
PETROLOGY OF THE LAMPROITE AND GRANITE–SYENITE SERIES OF THE BILIBIN ( Lomam ) MASSIF ( Aldan–Stanovoy Shield )
Geochemical transition from Miocene–Pliocene to Quaternary arc volcanism in the northern Sierra Nevada, California
ABSTRACT Miocene–Pliocene volcanism around Lake Tahoe, California/Nevada, USA, part of the Southern Ancestral Cascades arc, ceased at around 3 Ma as the southern edge of the subducting Juan de Fuca plate migrated north of the region. Post–3 Ma, arc volcanism continued north of Lake Tahoe, but modern subduction and arc volcanism now occur only north of the Lassen volcanic center. Miocene–Pliocene Tahoe arc lavas appear to include an older mantle source component that is not common in Quaternary Lassen arc rocks. The goal of this work was to investigate how magma sources and/or volcanic processes transitioned in the northern Sierra Nevada between Lake Tahoe and Lassen. The Sierra Nevada between Lake Tahoe and Lassen, or the North Sierra segment of the Ancestral Cascades, includes eroded remnants of Ancestral Cascades volcanic rocks, including lava flow complexes, intrusions, and landslide/debris-flow deposits. Lava samples from the North Sierra segment include calc-alkaline basalts to dacites, with rare rhyolites. All North Sierra segment lavas exhibit normalized incompatible-element patterns with negative Nb, Ta, and Ti anomalies and positive Pb, Sr, and Ba anomalies. The North Sierra segment is geochemically split into two parts: a northern group including lavas from the Susanville area, and a southern group consisting of arc rocks from the Portola, Sierraville, Henness Pass, and Sagehen areas. With the exception of the Sagehen area, the North Sierra segment shows little variation in radiogenic isotope ratios with SiO 2 , indicating that assimilation of crustal rocks was outweighed by liquid-crystal crystallization during magma evolution. Trace-element and isotopic ratios in mafic rocks of the northern group are more typical of Lassen area Quaternary volcanic rocks, whereas those of southern group mafic rocks are more typical of Miocene–Pliocene arc lavas of the Lake Tahoe area. The isotopic distinction between Lassen-like and Tahoe-like arc lavas is likely controlled by basement age and lithology, where Lassen-like magmas were derived largely by mantle wedge melting and Tahoe-like magmas were primarily partial melts of metasomatized Sierran lithospheric mantle. The Susanville area represents the “transition zone” between these two geochemically distinct primary magma sources.