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NARROW
Format
Article Type
Journal
Publisher
Section
GeoRef Subject
-
all geography including DSDP/ODP Sites and Legs
-
Africa
-
Central Africa
-
Lake Kivu (1)
-
-
East Africa
-
Ethiopia (1)
-
Kenya
-
Kenya Rift valley (1)
-
-
Tanzania
-
Kilimanjaro (1)
-
Oldoinyo Lengai (2)
-
-
-
East African Lakes
-
Lake Baringo (1)
-
Lake Kivu (1)
-
-
East African Rift (2)
-
Madagascar (2)
-
Mozambique Belt (1)
-
North Africa
-
Egypt
-
Eastern Desert (3)
-
-
Morocco
-
Rif (1)
-
-
-
Nubian Shield (1)
-
Southern Africa
-
Barberton greenstone belt (2)
-
Lesotho (1)
-
Namaqualand (2)
-
Namibia (1)
-
South Africa
-
Bushveld Complex (2)
-
Merensky Reef (1)
-
-
Zimbabwe
-
Belingwe greenstone belt (3)
-
-
-
West Africa
-
Guinea (1)
-
-
-
Alexander Terrane (1)
-
Altiplano (2)
-
Antarctica
-
Antarctic Peninsula
-
Graham Land (1)
-
-
Ellsworth Land (1)
-
-
Arctic region
-
Greenland
-
East Greenland (1)
-
Skaergaard Intrusion (2)
-
South Greenland (3)
-
-
-
Asia
-
Altai Mountains (1)
-
Arabian Peninsula
-
Arabian Shield (2)
-
Saudi Arabia (1)
-
-
Baikal region (1)
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Buryat Russian Federation
-
Vitim Plateau (1)
-
-
Central Asia
-
Pamirs (1)
-
-
Far East
-
China
-
Da Hinggan Ling (1)
-
Dabie Mountains (3)
-
Datong China (1)
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Gansu China (1)
-
Guangdong China (1)
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Inner Mongolia China (1)
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Kunlun Mountains (1)
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Liaoning China
-
Liaodong Peninsula (1)
-
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North China Platform (8)
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Qilian Mountains (1)
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Qinling Mountains (1)
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Shanxi China (1)
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South China Block (2)
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Sulu Terrane (1)
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Tarim Platform (1)
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Xinjiang China (1)
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Xizang China
-
Gangdese Belt (1)
-
-
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Indochina (1)
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Indonesia (1)
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Japan
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Hokkaido
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Hidaka Mountains (1)
-
-
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Luzon Arc (1)
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Mongolia (1)
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Philippine Islands
-
Luzon
-
Bataan Philippine Islands (1)
-
-
-
Vietnam (1)
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-
Indian Peninsula
-
India
-
Deccan Plateau (1)
-
Dharwar Craton (1)
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Ghats
-
Western Ghats (1)
-
-
Gujarat India
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Kutch India (1)
-
Saurashtra (1)
-
-
Karnataka India
-
Chitradurga schist belt (1)
-
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Madhya Pradesh India (1)
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Maharashtra India (1)
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Rajasthan India (1)
-
-
Jammu and Kashmir
-
Ladakh (1)
-
-
Pakistan
-
Baluchistan Pakistan (1)
-
-
-
Karakoram (2)
-
Krasnoyarsk Russian Federation
-
Taymyr Dolgan-Nenets Russian Federation
-
Norilsk region (3)
-
-
-
Middle East
-
Iran
-
Sanandaj-Sirjan Zone (1)
-
-
Turkey
-
Anatolia (4)
-
Sea of Marmara region (1)
-
-
Zagros (1)
-
-
Siberia (3)
-
Siberian Platform
-
Aldan Shield (2)
-
Yenisei Ridge (1)
-
-
Tibetan Plateau (1)
-
Tien Shan (1)
-
Transbaikalia (1)
-
Tunguska Syneclise (1)
-
Tuva Russian Federation (1)
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Vitim River (1)
-
Yakutia Russian Federation (2)
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Yenisei-Khatanga basin (1)
-
Zabaykalskiy Russian Federation (1)
-
-
Atlantic Ocean
-
Mid-Atlantic Ridge (1)
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North Atlantic
-
Caribbean Sea (1)
-
Gulf of Saint Lawrence (1)
-
-
-
Atlantic Ocean Islands
-
Azores (1)
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Canary Islands
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Tenerife
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Teide (1)
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-
-
Falkland Islands (1)
-
-
Australasia
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Australia
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Giles Complex (2)
-
Lachlan fold belt (3)
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Musgrave Block (3)
-
New South Wales Australia (2)
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Northern Territory Australia (1)
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Tasmania Australia (1)
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Victoria Australia (2)
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Western Australia
-
Yilgarn Craton (1)
-
-
-
New Zealand
-
Ruapehu (2)
-
Taupo volcanic zone (1)
-
Tongariro (1)
-
-
Papua New Guinea
-
Ok Tedi Mine (1)
-
-
Tasman orogenic zone (1)
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Black Range (1)
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Black Rock Desert (1)
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Border Ranges Fault (1)
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Caledonides (4)
-
Canada
-
Arctic Archipelago (1)
-
Eastern Canada
-
Maritime Provinces
-
Nova Scotia (10)
-
-
Meguma Terrane (1)
-
Newfoundland and Labrador
-
Labrador
-
Kiglapait (1)
-
Nain Massif (4)
-
Voisey's Bay Deposit (7)
-
-
Newfoundland (5)
-
-
Ontario
-
Coldwell Complex (1)
-
Nipissing District Ontario (2)
-
Sudbury District Ontario (1)
-
Sudbury igneous complex (4)
-
Sudbury Structure (1)
-
-
Quebec
-
Anticosti Island (1)
-
Monteregian Hills (2)
-
-
-
Nunavut
-
Kaminak Lake (1)
-
-
Western Canada
-
British Columbia (10)
-
Canadian Cordillera (4)
-
Manitoba
-
Tanco Pegmatite (1)
-
-
Northwest Territories (1)
-
Saskatchewan (1)
-
-
-
Caribbean region (2)
-
Cascade Range (2)
-
Central America
-
Guatemala
-
Santiaguito (1)
-
-
Honduras (1)
-
Nicaragua (1)
-
-
Coast Belt (1)
-
Commonwealth of Independent States
-
Russian Federation
-
Baikal region (1)
-
Buryat Russian Federation
-
Vitim Plateau (1)
-
-
Karelia Russian Federation (1)
-
Krasnoyarsk Russian Federation
-
Taymyr Dolgan-Nenets Russian Federation
-
Norilsk region (3)
-
-
-
Murmansk Russian Federation
-
Kola Peninsula (1)
-
Kovdor Massif (1)
-
-
Russian Fennoscandia (1)
-
Siberian Platform
-
Aldan Shield (2)
-
Yenisei Ridge (1)
-
-
Transbaikalia (1)
-
Tunguska Syneclise (1)
-
Tuva Russian Federation (1)
-
Vitim River (1)
-
Yakutia Russian Federation (2)
-
Zabaykalskiy Russian Federation (1)
-
-
-
East Pacific Ocean Islands
-
Hawaii
-
Honolulu County Hawaii
-
Oahu (1)
-
-
Kauai County Hawaii (1)
-
-
-
Espanola Basin (1)
-
Europe
-
Alps
-
Central Alps
-
Rhaetian Alps
-
Adamello Massif (1)
-
-
-
Eastern Alps
-
Dinaric Alps (2)
-
-
-
Central Europe
-
Czech Republic
-
Moravia (1)
-
-
Germany
-
Northwestern German Plain (1)
-
-
Poland
-
Dolnoslaskie Poland (1)
-
Lower Silesia (1)
-
Polish Sudeten Mountains (1)
-
Sowie Mountains (1)
-
-
Sudeten Mountains
-
Polish Sudeten Mountains (1)
-
Sowie Mountains (1)
-
-
-
Fennoscandia
-
Russian Fennoscandia (1)
-
-
Fennoscandian Shield (2)
-
Karelia Russian Federation (1)
-
Murmansk Russian Federation
-
Kola Peninsula (1)
-
Kovdor Massif (1)
-
-
Pannonian Basin (1)
-
Southern Europe
-
Dinaric Alps (2)
-
Greece
-
Greek Aegean Islands
-
Cyclades
-
Milos (1)
-
Thera (1)
-
-
-
-
Iberian Peninsula
-
Spain
-
Asturias Spain (1)
-
Betic Cordillera (1)
-
Cantabria Spain (1)
-
Iberian Mountains (2)
-
-
-
Italy
-
Campania Italy
-
Naples Italy
-
Ischia (1)
-
-
Phlegraean Fields (1)
-
-
Ivrea-Verbano Zone (1)
-
Lombardy Italy
-
Adamello Massif (1)
-
-
Sardinia Italy (1)
-
Sicily Italy
-
Lipari Islands
-
Vulcano (1)
-
-
Mount Etna (1)
-
-
-
Serbia (2)
-
-
Western Europe
-
France
-
Brittany (1)
-
Burgundy (1)
-
Central Massif (1)
-
Cotes-d'Armor France (1)
-
Saone-et-Loire France (1)
-
-
Iceland
-
Krafla (1)
-
-
Ireland
-
Donegal Ireland (1)
-
-
Scandinavia
-
Finland (2)
-
Norway
-
Rogaland Norway (1)
-
-
-
United Kingdom
-
Great Britain
-
England (2)
-
Scotland
-
Argyllshire Scotland (1)
-
Hebrides
-
Inner Hebrides
-
Isle of Skye (2)
-
Rhum (1)
-
-
-
Highland region Scotland
-
Ardnamurchan (1)
-
Inverness-shire Scotland
-
Isle of Skye (2)
-
Rhum (1)
-
-
Sutherland Scotland
-
Assynt (1)
-
-
-
-
-
-
-
-
Indian Ocean
-
Ninetyeast Ridge (1)
-
-
Indian Ocean Islands
-
Madagascar (2)
-
-
International Ocean Discovery Program (1)
-
Jack Hills (1)
-
Kerguelen Plateau (1)
-
Lake District (1)
-
Mediterranean region
-
Aegean Islands
-
Greek Aegean Islands
-
Cyclades
-
Milos (1)
-
Thera (1)
-
-
-
-
-
Mediterranean Sea
-
Strait of Sicily (1)
-
West Mediterranean
-
Tyrrhenian Sea (1)
-
-
-
Mexico
-
Chiapas Mexico
-
El Chichon (1)
-
-
Chihuahua Mexico (2)
-
Durango Mexico (1)
-
Jalisco Mexico
-
Colima (1)
-
-
Mexico state
-
Nevado de Toluca (1)
-
-
Pico de Orizaba (1)
-
Popocatepetl (1)
-
Sierra Madre Occidental (3)
-
Sonora Mexico (2)
-
Trans-Mexican volcanic belt (2)
-
-
North America
-
Appalachians
-
Northern Appalachians (1)
-
-
Basin and Range Province
-
Great Basin (3)
-
-
Canadian Shield
-
Churchill Province
-
Hearne Province (1)
-
-
Grenville Province
-
Central Metasedimentary Belt (2)
-
-
Superior Province
-
Abitibi Belt (6)
-
Kapuskasing Zone (1)
-
Pontiac Subprovince (1)
-
-
-
Coast plutonic complex (1)
-
Great Lakes region (4)
-
Keweenawan Rift (3)
-
Lake Superior region (2)
-
North American Cordillera
-
Canadian Cordillera (4)
-
-
Peninsular Ranges Batholith (4)
-
Rio Grande Rift (1)
-
Rocky Mountains
-
U. S. Rocky Mountains
-
Absaroka Range
-
Beartooth Mountains (1)
-
-
Laramie Mountains (1)
-
-
-
-
North Island (3)
-
Oceania
-
Melanesia (1)
-
Polynesia
-
Hawaii
-
Honolulu County Hawaii
-
Oahu (1)
-
-
Kauai County Hawaii (1)
-
-
-
-
ODP Site 1256 (1)
-
Pacific Coast (1)
-
Pacific Ocean
-
East Pacific
-
East Pacific Rise (2)
-
Northeast Pacific
-
Guatemala Basin (1)
-
Gulf of California (1)
-
-
-
Equatorial Pacific (1)
-
North Pacific
-
Northeast Pacific
-
Guatemala Basin (1)
-
Gulf of California (1)
-
-
Northwest Pacific
-
Shatsky Rise (1)
-
South China Sea
-
Manila Trench (1)
-
-
-
-
West Pacific
-
Northwest Pacific
-
Shatsky Rise (1)
-
South China Sea
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Manila Trench (1)
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-
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Ontong Java Plateau (1)
-
-
-
Peninsular Ranges (2)
-
Puna (1)
-
Russian Platform
-
Russian Fennoscandia (1)
-
-
Sierra Nevada (3)
-
Snake Range (1)
-
Solomon Islands (1)
-
South America
-
Andes
-
Central Andes (3)
-
Cordillera Real (1)
-
Eastern Cordillera (2)
-
Southern Andes (2)
-
Western Cordillera (2)
-
-
Argentina
-
Salta Argentina (1)
-
-
Bolivia
-
La Paz Bolivia (1)
-
-
Brazil
-
Bahia Brazil (1)
-
Borborema (1)
-
-
Chile
-
Tatara-San Pedro Complex (1)
-
-
Colombia (1)
-
Ecuador (2)
-
Falkland Islands (1)
-
Guajira Peninsula (1)
-
Patagonia (1)
-
Peru (4)
-
-
South Mountain Batholith (8)
-
Southern Uplands (1)
-
Twin Lakes (1)
-
United States
-
Alaska
-
Aleutian Islands
-
Shishaldin (1)
-
-
Kodiak Island (2)
-
Redoubt (1)
-
Talkeetna Mountains (2)
-
-
Arizona (3)
-
California
-
Central California (1)
-
Del Norte County California (1)
-
Humboldt County California (1)
-
Inyo County California
-
Inyo Mountains (1)
-
-
Los Angeles County California (1)
-
Mariposa County California (1)
-
Mono County California
-
Long Valley Caldera (1)
-
-
Northern California (2)
-
San Gabriel Mountains (1)
-
Santa Ana Mountains (1)
-
Sierra Nevada Batholith (5)
-
Siskiyou County California (2)
-
Southern California (3)
-
Trinity County California (1)
-
-
Columbia Plateau (2)
-
Connecticut (3)
-
Great Basin (3)
-
Hawaii
-
Honolulu County Hawaii
-
Oahu (1)
-
-
Kauai County Hawaii (1)
-
-
Idaho
-
Gooding County Idaho (1)
-
Idaho National Laboratory (1)
-
Lemhi County Idaho (1)
-
Snake River plain (3)
-
Valley County Idaho (1)
-
-
Idaho Batholith (1)
-
Klamath Mountains (3)
-
Maine
-
Hancock County Maine (1)
-
-
Massachusetts (1)
-
Michigan
-
Michigan Upper Peninsula
-
Baraga County Michigan (1)
-
Dickinson County Michigan (1)
-
Iron County Michigan (1)
-
Marquette County Michigan (1)
-
-
-
Minnesota
-
Cook County Minnesota (2)
-
Duluth Complex (9)
-
Lake County Minnesota (3)
-
Saint Louis County Minnesota
-
Partridge River Intrusion (3)
-
-
-
Montana (2)
-
Nevada
-
Nevada Test Site (1)
-
Nye County Nevada
-
Yucca Mountain (1)
-
-
White Pine County Nevada (1)
-
-
New England (3)
-
New Hampshire (1)
-
New Mexico
-
Catron County New Mexico (1)
-
-
New York
-
Adirondack Mountains (1)
-
-
Oregon
-
Curry County Oregon (1)
-
Jackson County Oregon (1)
-
Josephine County Oregon (1)
-
-
Rhode Island (1)
-
Southwestern U.S. (1)
-
Texas
-
Brewster County Texas (1)
-
Christmas Mountains (1)
-
-
U. S. Rocky Mountains
-
Absaroka Range
-
Beartooth Mountains (1)
-
-
Laramie Mountains (1)
-
-
Utah
-
Juab County Utah (1)
-
Millard County Utah (1)
-
-
Vermont (1)
-
Washington
-
Pierce County Washington
-
Mount Rainier (1)
-
-
-
Western U.S. (4)
-
Wyoming (1)
-
Wyoming Province (1)
-
Yellowstone National Park (1)
-
-
Victoria Island (1)
-
Vulture Mountain (1)
-
White Mountains (2)
-
-
commodities
-
barite deposits (1)
-
bauxite deposits (1)
-
brines (1)
-
construction materials (1)
-
diamond deposits (1)
-
fluorspar deposits (1)
-
gems (1)
-
geothermal energy (1)
-
graphite deposits (1)
-
metal ores
-
base metals (3)
-
chromite ores (1)
-
cobalt ores (4)
-
copper ores (50)
-
gold ores (7)
-
iron ores (4)
-
lead ores (3)
-
lead-zinc deposits (2)
-
molybdenum ores (1)
-
nickel ores (38)
-
niobium ores (1)
-
palladium ores (1)
-
platinum ores (21)
-
polymetallic ores (4)
-
rare earth deposits (2)
-
silver ores (5)
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strontium ores (1)
-
tantalum ores (1)
-
thorium ores (1)
-
tin ores (4)
-
tungsten ores (1)
-
uranium ores (1)
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zinc ores (4)
-
-
mineral deposits, genesis (46)
-
mineral exploration (9)
-
-
elements, isotopes
-
boron
-
B-11/B-10 (1)
-
-
carbon
-
C-13/C-12 (2)
-
C-14 (1)
-
C-14/C-12 (1)
-
-
chemical elements (1)
-
chemical ratios (8)
-
halogens
-
chlorine (7)
-
fluorine (4)
-
-
hydrogen
-
D/H (3)
-
deuterium (1)
-
-
incompatible elements (1)
-
isotope ratios (115)
-
isotopes
-
radioactive isotopes
-
C-14 (1)
-
C-14/C-12 (1)
-
Pb-206/Pb-204 (21)
-
Pb-207/Pb-204 (18)
-
Pb-208/Pb-204 (20)
-
Ra-226 (1)
-
Rb-87/Sr-86 (2)
-
Sm-147/Nd-144 (4)
-
Th-230/Ra-226 (1)
-
U-238/Th-230 (2)
-
-
stable isotopes
-
B-11/B-10 (1)
-
C-13/C-12 (2)
-
C-14/C-12 (1)
-
D/H (3)
-
deuterium (1)
-
Fe-56/Fe-54 (2)
-
Fe-57/Fe-54 (1)
-
Hf-177/Hf-176 (5)
-
Li-7/Li-6 (1)
-
Nd-144/Nd-143 (64)
-
O-18/O-16 (34)
-
Os-188/Os-187 (2)
-
Pb-206/Pb-204 (21)
-
Pb-207/Pb-204 (18)
-
Pb-207/Pb-206 (1)
-
Pb-208/Pb-204 (20)
-
Rb-87/Sr-86 (2)
-
S-33/S-32 (1)
-
S-34/S-32 (19)
-
Sm-147/Nd-144 (4)
-
Sr-87/Sr-86 (86)
-
-
-
large-ion lithophile elements (3)
-
Lu/Hf (5)
-
metals
-
actinides
-
protactinium (1)
-
thorium
-
Th-230/Ra-226 (1)
-
U-238/Th-230 (2)
-
-
uranium
-
U-238/Th-230 (2)
-
-
-
alkali metals
-
cesium (1)
-
lithium
-
Li-7/Li-6 (1)
-
-
potassium (2)
-
rubidium
-
Rb-87/Sr-86 (2)
-
-
sodium (2)
-
-
alkaline earth metals
-
barium (2)
-
calcium (3)
-
magnesium (6)
-
radium
-
Ra-226 (1)
-
Th-230/Ra-226 (1)
-
-
strontium
-
Rb-87/Sr-86 (2)
-
Sr-87/Sr-86 (86)
-
-
-
aluminum (2)
-
arsenic (1)
-
chromium (1)
-
cobalt (1)
-
copper (2)
-
hafnium
-
Hf-177/Hf-176 (5)
-
-
iron
-
Fe-56/Fe-54 (2)
-
Fe-57/Fe-54 (1)
-
ferric iron (1)
-
ferrous iron (1)
-
-
lead
-
Pb-206/Pb-204 (21)
-
Pb-207/Pb-204 (18)
-
Pb-207/Pb-206 (1)
-
Pb-208/Pb-204 (20)
-
-
manganese (1)
-
molybdenum (1)
-
nickel (2)
-
niobium (6)
-
platinum group
-
iridium (1)
-
osmium
-
Os-188/Os-187 (2)
-
-
palladium (1)
-
palladium ores (1)
-
platinum ores (21)
-
-
rare earths
-
cerium (2)
-
europium (4)
-
lanthanum (2)
-
lutetium (1)
-
neodymium
-
Nd-144/Nd-143 (64)
-
Sm-147/Nd-144 (4)
-
-
samarium
-
Sm-147/Nd-144 (4)
-
-
terbium (2)
-
ytterbium (3)
-
yttrium (2)
-
-
rhenium (1)
-
tantalum (6)
-
tin (1)
-
titanium (2)
-
zirconium (2)
-
-
oxygen
-
O-18/O-16 (34)
-
-
phosphorus (2)
-
selenium (3)
-
short-lived isotopes (1)
-
sulfur
-
S-33/S-32 (1)
-
S-34/S-32 (19)
-
-
trace metals (1)
-
-
fossils
-
Chordata
-
Vertebrata
-
Tetrapoda
-
Reptilia
-
Diapsida
-
Archosauria
-
dinosaurs (1)
-
-
-
-
-
-
-
-
geochronology methods
-
Ar/Ar (17)
-
K/Ar (9)
-
Lu/Hf (5)
-
paleomagnetism (5)
-
Rb/Sr (12)
-
Re/Os (2)
-
Sm/Nd (6)
-
Th/U (2)
-
thermochronology (1)
-
U/Pb (31)
-
U/Th/Pb (1)
-
uranium disequilibrium (2)
-
-
geologic age
-
Cenozoic
-
Quaternary
-
Holocene
-
upper Holocene (1)
-
-
Pleistocene
-
upper Pleistocene (2)
-
-
-
Tertiary
-
middle Tertiary (1)
-
Neogene
-
Miocene
-
Columbia River Basalt Group (5)
-
Grande Ronde Basalt (2)
-
Paintbrush Tuff (1)
-
Picture Gorge Basalt (2)
-
Saddle Mountains Basalt (1)
-
Topopah Spring Member (1)
-
upper Miocene
-
Pannonian (1)
-
-
Wanapum Basalt (1)
-
-
Pliocene (4)
-
-
Paleogene
-
Eocene
-
upper Eocene (2)
-
-
Ghost Rocks Formation (1)
-
Oligocene
-
upper Oligocene (1)
-
-
Paleocene
-
lower Paleocene (1)
-
-
-
upper Tertiary (1)
-
-
upper Cenozoic (2)
-
-
Mesozoic
-
Cretaceous
-
Lower Cretaceous (11)
-
Upper Cretaceous
-
Kodiak Formation (1)
-
-
-
Jurassic
-
Lower Jurassic (1)
-
Middle Jurassic (2)
-
Rajmahal Series (1)
-
Upper Jurassic
-
Josephine Ophiolite (1)
-
-
-
Triassic
-
Lower Triassic
-
Permian-Triassic boundary (1)
-
-
Nicola Group (1)
-
Upper Triassic (1)
-
-
upper Mesozoic (1)
-
-
Moldanubian (2)
-
Paleozoic
-
Cambrian
-
Acadian (2)
-
Upper Cambrian
-
Goldenville Formation (1)
-
-
-
Carboniferous
-
Lower Carboniferous
-
Dinantian (1)
-
-
Mississippian (1)
-
Pennsylvanian (1)
-
-
Devonian
-
Lower Devonian (1)
-
Middle Devonian (1)
-
Upper Devonian (4)
-
-
lower Paleozoic
-
Bay of Islands Ophiolite (1)
-
-
Ordovician
-
Lower Ordovician
-
Tremadocian
-
Halifax Formation (1)
-
-
-
Meguma Group (6)
-
Skiddaw Slates (1)
-
Upper Ordovician
-
Caradocian
-
Borrowdale Volcanic Group (2)
-
-
-
-
Permian
-
Upper Permian
-
Permian-Triassic boundary (1)
-
-
Yeso Formation (1)
-
-
Silurian (1)
-
-
Phanerozoic (3)
-
Precambrian
-
Animikie Group (2)
-
Archean
-
Blake River Group (1)
-
Mesoarchean (1)
-
Neoarchean
-
Dharwar Supergroup (1)
-
Sargur Group (1)
-
-
Paleoarchean
-
Hooggenoeg Formation (1)
-
-
Peninsular Gneiss (1)
-
-
Nipissing Diabase (2)
-
North Shore Volcanics (1)
-
Stillwater Complex (2)
-
upper Precambrian
-
Proterozoic
-
Lewisian (1)
-
Mesoproterozoic
-
Stenian (1)
-
-
Neoproterozoic
-
Cryogenian (1)
-
Tonian (2)
-
-
Paleoproterozoic
-
Hemlock Formation (1)
-
Virginia Formation (6)
-
-
Sinian
-
Xiong'er Group (1)
-
-
-
-
-
-
igneous rocks
-
extrusive rocks (1)
-
igneous rocks
-
carbonatites (2)
-
granophyre (3)
-
hypabyssal rocks (3)
-
kamafugite (1)
-
kimberlite (7)
-
picrite (4)
-
plutonic rocks
-
anorthosite (5)
-
appinite (1)
-
crinanite (1)
-
diabase (5)
-
diorites
-
quartz diorites (5)
-
tonalite (6)
-
trondhjemite (1)
-
-
essexite (1)
-
gabbros
-
alkali gabbros (1)
-
anorthositic gabbro (1)
-
norite (8)
-
olivine gabbro (1)
-
troctolite (10)
-
-
granites
-
adamellite (1)
-
alkali granites (2)
-
aplite (1)
-
A-type granites (4)
-
biotite granite (1)
-
charnockite (1)
-
granosyenite (1)
-
I-type granites (6)
-
leucogranite (4)
-
monzogranite (6)
-
S-type granites (7)
-
two-mica granite (2)
-
-
granodiorites (13)
-
ijolite (1)
-
lamprophyres
-
minette (1)
-
-
monzodiorite (2)
-
monzonites
-
mangerite (1)
-
-
pegmatite (10)
-
quartz monzonite (1)
-
syenites
-
granosyenite (1)
-
nepheline syenite (3)
-
quartz syenite (6)
-
shonkinite (1)
-
syenite porphyry (1)
-
-
ultramafics
-
chromitite (1)
-
peridotites
-
dunite (5)
-
garnet peridotite (1)
-
harzburgite (4)
-
lherzolite (1)
-
spinel peridotite (1)
-
-
pyroxenite
-
clinopyroxenite (1)
-
garnet pyroxenite (1)
-
orthopyroxenite (3)
-
websterite (2)
-
-
-
-
porphyry
-
vitrophyre (1)
-
-
volcanic rocks
-
adakites (4)
-
andesites
-
boninite (2)
-
-
basalts
-
alkali basalts
-
alkali olivine basalt (1)
-
hawaiite (4)
-
mugearite (2)
-
trachybasalts (1)
-
-
flood basalts (6)
-
mid-ocean ridge basalts (13)
-
ocean-island basalts (7)
-
olivine tholeiite (2)
-
shoshonite (3)
-
tholeiite (8)
-
tholeiitic basalt (2)
-
-
basanite (6)
-
benmoreite (2)
-
dacites (13)
-
glasses
-
volcanic glass (3)
-
-
komatiite (9)
-
latite (1)
-
melilitite (1)
-
nephelinite
-
ankaratrite (1)
-
-
phonolites (4)
-
pyroclastics
-
ash-flow tuff (3)
-
ignimbrite (10)
-
rhyolite tuff (1)
-
tuff (9)
-
-
rhyodacites (1)
-
rhyolites
-
comendite (1)
-
quartz porphyry (1)
-
-
trachyandesites
-
absarokite (1)
-
-
trachytes (7)
-
vitrophyre (1)
-
-
-
ophiolite (1)
-
-
metamorphic rocks
-
metamorphic rocks
-
amphibolites (5)
-
gneisses
-
granite gneiss (1)
-
orthogneiss (2)
-
paragneiss (3)
-
-
granulites (1)
-
marbles (1)
-
metaigneous rocks
-
metabasalt (4)
-
metabasite (1)
-
metagabbro (2)
-
metapyroxenite (1)
-
serpentinite (2)
-
-
metasedimentary rocks
-
metagraywacke (1)
-
paragneiss (3)
-
-
metasomatic rocks
-
greisen (2)
-
serpentinite (2)
-
skarn (4)
-
-
metavolcanic rocks (4)
-
migmatites
-
anatexite (1)
-
-
mylonites
-
pseudotachylite (1)
-
-
-
ophiolite (1)
-
turbidite (1)
-
-
minerals
-
antimonides (1)
-
arsenides (1)
-
carbonates
-
bastnaesite (1)
-
parisite (1)
-
-
halides
-
fluorides
-
bastnaesite (1)
-
parisite (1)
-
-
-
minerals (3)
-
native elements
-
diamond (1)
-
-
oxides
-
cassiterite (1)
-
chrome spinel (2)
-
chromite (3)
-
corundum (1)
-
hercynite (1)
-
ilmenite (4)
-
iron oxides (3)
-
magnesium oxides (1)
-
magnetite (2)
-
niobates
-
columbite (2)
-
fergusonite (1)
-
samarskite (1)
-
tapiolite (1)
-
-
rutile (3)
-
sapphire (1)
-
spinel (8)
-
tantalates
-
stibiotantalite (1)
-
tantalite (1)
-
-
titanium oxides (1)
-
titanomagnetite (3)
-
-
phosphates
-
apatite (3)
-
chlorapatite (1)
-
fluorapatite (3)
-
monazite (1)
-
-
platinum minerals (1)
-
silicates
-
chain silicates
-
amphibole group
-
clinoamphibole
-
actinolite (1)
-
hastingsite (1)
-
hornblende (5)
-
-
-
pyroxene group
-
clinopyroxene
-
augite (1)
-
diopside (1)
-
-
orthopyroxene (4)
-
-
wollastonite group
-
pectolite (1)
-
-
-
feldspathoids (2)
-
framework silicates
-
feldspar group
-
alkali feldspar
-
orthoclase (2)
-
-
plagioclase
-
albite (2)
-
anorthite (2)
-
oligoclase (1)
-
-
-
leucite (2)
-
nepheline group
-
nepheline (2)
-
-
silica minerals
-
quartz (7)
-
-
sodalite group
-
hauyne (2)
-
lazurite (1)
-
nosean (1)
-
sodalite (1)
-
-
zeolite group
-
analcime (1)
-
natrolite (1)
-
-
-
orthosilicates
-
nesosilicates
-
garnet group
-
almandine (1)
-
andradite (1)
-
spessartine (1)
-
-
olivine group
-
forsterite (2)
-
monticellite (2)
-
olivine (16)
-
-
sillimanite (1)
-
titanite group
-
titanite (5)
-
-
zircon group
-
zircon (29)
-
-
-
sorosilicates
-
epidote group
-
allanite (1)
-
epidote (1)
-
-
melilite group
-
melilite (1)
-
-
-
-
ring silicates
-
cordierite (2)
-
tourmaline group
-
dravite (1)
-
elbaite (1)
-
schorl (1)
-
uvite (1)
-
-
-
sheet silicates
-
cerolite (1)
-
chlorite group
-
chlorite (1)
-
-
clay minerals
-
vermiculite (1)
-
-
mica group
-
biotite (4)
-
celadonite (1)
-
phlogopite (6)
-
-
sericite (1)
-
serpentine group
-
serpentine (1)
-
-
talc (1)
-
-
-
sulfates
-
alunite (1)
-
anhydrite (1)
-
lazurite (1)
-
-
sulfides
-
chalcopyrite (2)
-
copper sulfides (1)
-
cubanite (1)
-
lazurite (1)
-
nickel sulfides (1)
-
pentlandite (3)
-
pyrite (3)
-
pyrrhotite (4)
-
-
-
Primary terms
-
absolute age (57)
-
Africa
-
Central Africa
-
Lake Kivu (1)
-
-
East Africa
-
Ethiopia (1)
-
Kenya
-
Kenya Rift valley (1)
-
-
Tanzania
-
Kilimanjaro (1)
-
Oldoinyo Lengai (2)
-
-
-
East African Lakes
-
Lake Baringo (1)
-
Lake Kivu (1)
-
-
East African Rift (2)
-
Madagascar (2)
-
Mozambique Belt (1)
-
North Africa
-
Egypt
-
Eastern Desert (3)
-
-
Morocco
-
Rif (1)
-
-
-
Nubian Shield (1)
-
Southern Africa
-
Barberton greenstone belt (2)
-
Lesotho (1)
-
Namaqualand (2)
-
Namibia (1)
-
South Africa
-
Bushveld Complex (2)
-
Merensky Reef (1)
-
-
Zimbabwe
-
Belingwe greenstone belt (3)
-
-
-
West Africa
-
Guinea (1)
-
-
-
Antarctica
-
Antarctic Peninsula
-
Graham Land (1)
-
-
Ellsworth Land (1)
-
-
Arctic region
-
Greenland
-
East Greenland (1)
-
Skaergaard Intrusion (2)
-
South Greenland (3)
-
-
-
Asia
-
Altai Mountains (1)
-
Arabian Peninsula
-
Arabian Shield (2)
-
Saudi Arabia (1)
-
-
Baikal region (1)
-
Buryat Russian Federation
-
Vitim Plateau (1)
-
-
Central Asia
-
Pamirs (1)
-
-
Far East
-
China
-
Da Hinggan Ling (1)
-
Dabie Mountains (3)
-
Datong China (1)
-
Gansu China (1)
-
Guangdong China (1)
-
Inner Mongolia China (1)
-
Kunlun Mountains (1)
-
Liaoning China
-
Liaodong Peninsula (1)
-
-
North China Platform (8)
-
Qilian Mountains (1)
-
Qinling Mountains (1)
-
Shanxi China (1)
-
South China Block (2)
-
Sulu Terrane (1)
-
Tarim Platform (1)
-
Xinjiang China (1)
-
Xizang China
-
Gangdese Belt (1)
-
-
-
Indochina (1)
-
Indonesia (1)
-
Japan
-
Hokkaido
-
Hidaka Mountains (1)
-
-
-
Luzon Arc (1)
-
Mongolia (1)
-
Philippine Islands
-
Luzon
-
Bataan Philippine Islands (1)
-
-
-
Vietnam (1)
-
-
Indian Peninsula
-
India
-
Deccan Plateau (1)
-
Dharwar Craton (1)
-
Ghats
-
Western Ghats (1)
-
-
Gujarat India
-
Kutch India (1)
-
Saurashtra (1)
-
-
Karnataka India
-
Chitradurga schist belt (1)
-
-
Madhya Pradesh India (1)
-
Maharashtra India (1)
-
Rajasthan India (1)
-
-
Jammu and Kashmir
-
Ladakh (1)
-
-
Pakistan
-
Baluchistan Pakistan (1)
-
-
-
Karakoram (2)
-
Krasnoyarsk Russian Federation
-
Taymyr Dolgan-Nenets Russian Federation
-
Norilsk region (3)
-
-
-
Middle East
-
Iran
-
Sanandaj-Sirjan Zone (1)
-
-
Turkey
-
Anatolia (4)
-
Sea of Marmara region (1)
-
-
Zagros (1)
-
-
Siberia (3)
-
Siberian Platform
-
Aldan Shield (2)
-
Yenisei Ridge (1)
-
-
Tibetan Plateau (1)
-
Tien Shan (1)
-
Transbaikalia (1)
-
Tunguska Syneclise (1)
-
Tuva Russian Federation (1)
-
Vitim River (1)
-
Yakutia Russian Federation (2)
-
Yenisei-Khatanga basin (1)
-
Zabaykalskiy Russian Federation (1)
-
-
Atlantic Ocean
-
Mid-Atlantic Ridge (1)
-
North Atlantic
-
Caribbean Sea (1)
-
Gulf of Saint Lawrence (1)
-
-
-
Atlantic Ocean Islands
-
Azores (1)
-
Canary Islands
-
Tenerife
-
Teide (1)
-
-
-
Falkland Islands (1)
-
-
Australasia
-
Australia
-
Giles Complex (2)
-
Lachlan fold belt (3)
-
Musgrave Block (3)
-
New South Wales Australia (2)
-
Northern Territory Australia (1)
-
Tasmania Australia (1)
-
Victoria Australia (2)
-
Western Australia
-
Yilgarn Craton (1)
-
-
-
New Zealand
-
Ruapehu (2)
-
Taupo volcanic zone (1)
-
Tongariro (1)
-
-
Papua New Guinea
-
Ok Tedi Mine (1)
-
-
Tasman orogenic zone (1)
-
-
barite deposits (1)
-
bauxite deposits (1)
-
boron
-
B-11/B-10 (1)
-
-
brines (1)
-
Canada
-
Arctic Archipelago (1)
-
Eastern Canada
-
Maritime Provinces
-
Nova Scotia (10)
-
-
Meguma Terrane (1)
-
Newfoundland and Labrador
-
Labrador
-
Kiglapait (1)
-
Nain Massif (4)
-
Voisey's Bay Deposit (7)
-
-
Newfoundland (5)
-
-
Ontario
-
Coldwell Complex (1)
-
Nipissing District Ontario (2)
-
Sudbury District Ontario (1)
-
Sudbury igneous complex (4)
-
Sudbury Structure (1)
-
-
Quebec
-
Anticosti Island (1)
-
Monteregian Hills (2)
-
-
-
Nunavut
-
Kaminak Lake (1)
-
-
Western Canada
-
British Columbia (10)
-
Canadian Cordillera (4)
-
Manitoba
-
Tanco Pegmatite (1)
-
-
Northwest Territories (1)
-
Saskatchewan (1)
-
-
-
carbon
-
C-13/C-12 (2)
-
C-14 (1)
-
C-14/C-12 (1)
-
-
Caribbean region (2)
-
Cenozoic
-
Quaternary
-
Holocene
-
upper Holocene (1)
-
-
Pleistocene
-
upper Pleistocene (2)
-
-
-
Tertiary
-
middle Tertiary (1)
-
Neogene
-
Miocene
-
Columbia River Basalt Group (5)
-
Grande Ronde Basalt (2)
-
Paintbrush Tuff (1)
-
Picture Gorge Basalt (2)
-
Saddle Mountains Basalt (1)
-
Topopah Spring Member (1)
-
upper Miocene
-
Pannonian (1)
-
-
Wanapum Basalt (1)
-
-
Pliocene (4)
-
-
Paleogene
-
Eocene
-
upper Eocene (2)
-
-
Ghost Rocks Formation (1)
-
Oligocene
-
upper Oligocene (1)
-
-
Paleocene
-
lower Paleocene (1)
-
-
-
upper Tertiary (1)
-
-
upper Cenozoic (2)
-
-
Central America
-
Guatemala
-
Santiaguito (1)
-
-
Honduras (1)
-
Nicaragua (1)
-
-
chemical analysis (1)
-
Chordata
-
Vertebrata
-
Tetrapoda
-
Reptilia
-
Diapsida
-
Archosauria
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ijolite (1)
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porphyry
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volcanic rocks
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phonolites (4)
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pyroclastics
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trachytes (7)
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inclusions
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fluid inclusions (11)
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Indian Ocean
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Ninetyeast Ridge (1)
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Indian Ocean Islands
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Madagascar (2)
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Integrated Ocean Drilling Program
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Expedition 324
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IODP Site U1346 (1)
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IODP Site U1347 (1)
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IODP Site U1349 (1)
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IODP Site U1350 (1)
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Expedition 335 (1)
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Expeditions 309/312
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intrusions (130)
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isotopes
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radioactive isotopes
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C-14 (1)
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Pb-206/Pb-204 (21)
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Pb-208/Pb-204 (20)
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Rb-87/Sr-86 (2)
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Sm-147/Nd-144 (4)
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U-238/Th-230 (2)
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stable isotopes
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C-14/C-12 (1)
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D/H (3)
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deuterium (1)
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Fe-56/Fe-54 (2)
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Fe-57/Fe-54 (1)
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Hf-177/Hf-176 (5)
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Li-7/Li-6 (1)
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Nd-144/Nd-143 (64)
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O-18/O-16 (34)
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Os-188/Os-187 (2)
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Pb-206/Pb-204 (21)
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Pb-207/Pb-204 (18)
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Pb-207/Pb-206 (1)
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Pb-208/Pb-204 (20)
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Rb-87/Sr-86 (2)
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S-33/S-32 (1)
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S-34/S-32 (19)
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Sm-147/Nd-144 (4)
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Sr-87/Sr-86 (86)
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-
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lava (34)
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lineation (1)
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magmas (305)
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mantle (66)
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maps (1)
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Mediterranean region
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Greek Aegean Islands
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Cyclades
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Thera (1)
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Mediterranean Sea
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Strait of Sicily (1)
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West Mediterranean
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Tyrrhenian Sea (1)
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-
-
Mesozoic
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Cretaceous
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Lower Cretaceous (11)
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Upper Cretaceous
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Kodiak Formation (1)
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Jurassic
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Lower Jurassic (1)
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Rajmahal Series (1)
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Upper Jurassic
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Josephine Ophiolite (1)
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-
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Triassic
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Lower Triassic
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Permian-Triassic boundary (1)
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Nicola Group (1)
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upper Mesozoic (1)
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metal ores
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metals
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actinides
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thorium
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Th-230/Ra-226 (1)
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U-238/Th-230 (2)
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uranium
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U-238/Th-230 (2)
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alkali metals
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cesium (1)
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lithium
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Li-7/Li-6 (1)
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potassium (2)
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rubidium
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Rb-87/Sr-86 (2)
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sodium (2)
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barium (2)
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calcium (3)
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magnesium (6)
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radium
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Ra-226 (1)
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Th-230/Ra-226 (1)
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strontium
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Rb-87/Sr-86 (2)
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Sr-87/Sr-86 (86)
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-
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aluminum (2)
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arsenic (1)
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chromium (1)
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cobalt (1)
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copper (2)
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hafnium
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Hf-177/Hf-176 (5)
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iron
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Fe-56/Fe-54 (2)
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Fe-57/Fe-54 (1)
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ferric iron (1)
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ferrous iron (1)
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-
lead
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Pb-206/Pb-204 (21)
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Pb-207/Pb-204 (18)
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Pb-207/Pb-206 (1)
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Pb-208/Pb-204 (20)
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manganese (1)
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platinum group
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iridium (1)
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osmium
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Os-188/Os-187 (2)
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palladium (1)
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palladium ores (1)
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platinum ores (21)
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rare earths
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cerium (2)
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europium (4)
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lanthanum (2)
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lutetium (1)
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neodymium
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Nd-144/Nd-143 (64)
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Sm-147/Nd-144 (4)
-
-
samarium
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Sm-147/Nd-144 (4)
-
-
terbium (2)
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ytterbium (3)
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yttrium (2)
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rhenium (1)
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tantalum (6)
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tin (1)
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metamorphic rocks
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amphibolites (5)
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gneisses
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granite gneiss (1)
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orthogneiss (2)
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paragneiss (3)
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granulites (1)
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metaigneous rocks
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metabasalt (4)
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metabasite (1)
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metagabbro (2)
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metapyroxenite (1)
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serpentinite (2)
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metasedimentary rocks
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metasomatic rocks
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greisen (2)
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skarn (4)
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metavolcanic rocks (4)
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migmatites
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anatexite (1)
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mylonites
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pseudotachylite (1)
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-
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metamorphism (15)
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metasomatism (36)
-
Mexico
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Chiapas Mexico
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El Chichon (1)
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Chihuahua Mexico (2)
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Durango Mexico (1)
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Jalisco Mexico
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Colima (1)
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Mexico state
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Nevado de Toluca (1)
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Pico de Orizaba (1)
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Popocatepetl (1)
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Sierra Madre Occidental (3)
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Sonora Mexico (2)
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Trans-Mexican volcanic belt (2)
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mineral deposits, genesis (46)
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mineral exploration (9)
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minerals (3)
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Mohorovicic discontinuity (1)
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Moon (2)
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North America
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Appalachians
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Northern Appalachians (1)
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Basin and Range Province
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Great Basin (3)
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Canadian Shield
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Churchill Province
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Hearne Province (1)
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Grenville Province
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Central Metasedimentary Belt (2)
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Superior Province
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Abitibi Belt (6)
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Kapuskasing Zone (1)
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Pontiac Subprovince (1)
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-
Coast plutonic complex (1)
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Great Lakes region (4)
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Keweenawan Rift (3)
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Lake Superior region (2)
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North American Cordillera
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Canadian Cordillera (4)
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Peninsular Ranges Batholith (4)
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Rio Grande Rift (1)
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Rocky Mountains
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U. S. Rocky Mountains
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Absaroka Range
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Beartooth Mountains (1)
-
-
Laramie Mountains (1)
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-
-
-
Ocean Drilling Program
-
Leg 121
-
ODP Site 758 (1)
-
-
-
ocean floors (1)
-
Oceania
-
Melanesia (1)
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Polynesia
-
Hawaii
-
Honolulu County Hawaii
-
Oahu (1)
-
-
Kauai County Hawaii (1)
-
-
-
-
orogeny (5)
-
oxygen
-
O-18/O-16 (34)
-
-
Pacific Coast (1)
-
Pacific Ocean
-
East Pacific
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East Pacific Rise (2)
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Northeast Pacific
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Guatemala Basin (1)
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Gulf of California (1)
-
-
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Equatorial Pacific (1)
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North Pacific
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Northeast Pacific
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Guatemala Basin (1)
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Gulf of California (1)
-
-
Northwest Pacific
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Shatsky Rise (1)
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South China Sea
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Manila Trench (1)
-
-
-
-
West Pacific
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Northwest Pacific
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Shatsky Rise (1)
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South China Sea
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Manila Trench (1)
-
-
-
Ontong Java Plateau (1)
-
-
-
paleogeography (3)
-
paleomagnetism (5)
-
Paleozoic
-
Cambrian
-
Acadian (2)
-
Upper Cambrian
-
Goldenville Formation (1)
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-
-
Carboniferous
-
Lower Carboniferous
-
Dinantian (1)
-
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Mississippian (1)
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Pennsylvanian (1)
-
-
Devonian
-
Lower Devonian (1)
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Middle Devonian (1)
-
Upper Devonian (4)
-
-
lower Paleozoic
-
Bay of Islands Ophiolite (1)
-
-
Ordovician
-
Lower Ordovician
-
Tremadocian
-
Halifax Formation (1)
-
-
-
Meguma Group (6)
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Skiddaw Slates (1)
-
Upper Ordovician
-
Caradocian
-
Borrowdale Volcanic Group (2)
-
-
-
-
Permian
-
Upper Permian
-
Permian-Triassic boundary (1)
-
-
Yeso Formation (1)
-
-
Silurian (1)
-
-
paragenesis (6)
-
petrology (37)
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Phanerozoic (3)
-
phase equilibria (21)
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phosphorus (2)
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plate tectonics (39)
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pollution (25)
-
Precambrian
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Animikie Group (2)
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Archean
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Blake River Group (1)
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Mesoarchean (1)
-
Neoarchean
-
Dharwar Supergroup (1)
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Sargur Group (1)
-
-
Paleoarchean
-
Hooggenoeg Formation (1)
-
-
Peninsular Gneiss (1)
-
-
Nipissing Diabase (2)
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North Shore Volcanics (1)
-
Stillwater Complex (2)
-
upper Precambrian
-
Proterozoic
-
Lewisian (1)
-
Mesoproterozoic
-
Stenian (1)
-
-
Neoproterozoic
-
Cryogenian (1)
-
Tonian (2)
-
-
Paleoproterozoic
-
Hemlock Formation (1)
-
Virginia Formation (6)
-
-
Sinian
-
Xiong'er Group (1)
-
-
-
-
-
reefs (1)
-
sea-floor spreading (1)
-
sedimentary rocks
-
carbonate rocks
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limestone (2)
-
-
chemically precipitated rocks
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evaporites (1)
-
iron formations (1)
-
-
clastic rocks
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sandstone (2)
-
shale (1)
-
-
-
sedimentation (1)
-
sediments
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marine sediments (1)
-
-
selenium (3)
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soils
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laterites (1)
-
-
Solomon Islands (1)
-
South America
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Andes
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Central Andes (3)
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Cordillera Real (1)
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Eastern Cordillera (2)
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Southern Andes (2)
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Western Cordillera (2)
-
-
Argentina
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Salta Argentina (1)
-
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Bolivia
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La Paz Bolivia (1)
-
-
Brazil
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Bahia Brazil (1)
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Borborema (1)
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Chile
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Tatara-San Pedro Complex (1)
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Colombia (1)
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Ecuador (2)
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Falkland Islands (1)
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Guajira Peninsula (1)
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Patagonia (1)
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Peru (4)
-
-
spectroscopy (2)
-
structural analysis (2)
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structural geology (2)
-
sulfur
-
S-33/S-32 (1)
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S-34/S-32 (19)
-
-
tectonics
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neotectonics (1)
-
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tectonophysics (2)
-
United States
-
Alaska
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Aleutian Islands
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Shishaldin (1)
-
-
Kodiak Island (2)
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Redoubt (1)
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Talkeetna Mountains (2)
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Arizona (3)
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California
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Central California (1)
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Del Norte County California (1)
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Humboldt County California (1)
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Inyo County California
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Inyo Mountains (1)
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Los Angeles County California (1)
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Mariposa County California (1)
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Mono County California
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Long Valley Caldera (1)
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-
Northern California (2)
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San Gabriel Mountains (1)
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Santa Ana Mountains (1)
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Sierra Nevada Batholith (5)
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Siskiyou County California (2)
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Trinity County California (1)
-
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Columbia Plateau (2)
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Connecticut (3)
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Great Basin (3)
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Hawaii
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Honolulu County Hawaii
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Oahu (1)
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Kauai County Hawaii (1)
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Idaho
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Gooding County Idaho (1)
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Idaho National Laboratory (1)
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Lemhi County Idaho (1)
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Snake River plain (3)
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Valley County Idaho (1)
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Idaho Batholith (1)
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Klamath Mountains (3)
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Maine
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Hancock County Maine (1)
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Massachusetts (1)
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Michigan
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Michigan Upper Peninsula
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Baraga County Michigan (1)
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Dickinson County Michigan (1)
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Iron County Michigan (1)
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Marquette County Michigan (1)
-
-
-
Minnesota
-
Cook County Minnesota (2)
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Duluth Complex (9)
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Lake County Minnesota (3)
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Saint Louis County Minnesota
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Partridge River Intrusion (3)
-
-
-
Montana (2)
-
Nevada
-
Nevada Test Site (1)
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Nye County Nevada
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Yucca Mountain (1)
-
-
White Pine County Nevada (1)
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GeoRef Categories
Era and Period
Epoch and Age
Book Series
Date
Availability
assimilation
PETROGENESIS OF MELANOCRATIC ENCLAVES OF IGNEOUS ROCKS IN THE SARKHOI COMPLEX GRANITOIDS (Kaa-Khem magmatic area, Eastern Tuva) Available to Purchase
Using Sulfide Mineral Chemistry to Understand PGE Mineralization Processes in the Platreef, Bushveld Igneous Complex, South Africa Available to Purchase
Types and Evolution of Columbite-Group Minerals from Pegmatites in the Chinese Altai, NW China: Implications for Regional Petrogenesis and Rare-Element Mineralization Available to Purchase
Revisiting the genesis of the adakite-like granitoids in collisional zones: Water-fluxed melting of intermediate to felsic rocks with dilution by low Sr/Y phases Available to Purchase
Constraints of boron and oxygen stable isotopes on dehydration fluids, sediment-derived melts, and crustal assimilation of the Toba volcanic system (Indonesia) Available to Purchase
The Roles of Various Types of Crustal Contamination in the Genesis of the Jinchuan Magmatic Ni-Cu-PGE Deposit: New Mineralogical and C-S-Sr-Nd Isotope Constraints Open Access
Assimilation of xenocrystic apatite in peraluminous granitic magmas Available to Purchase
Magma–rock interactions: a review of their influence on magma rising processes with emphasis on short-timescale assimilation of carbonate rocks Available to Purchase
Abstract The interaction of magma and wall-rocks is inevitable when magma is moving through Earth's crust. These interactions happen on different timescales and especially the short-term interactions (seconds to days) during the final ascent of the magma can induce changes in eruption dynamics. However, information on this matter is scarce and scattered in different scientific fields. We conducted this review in order to present a full picture of the state of the art for short-timescale magma–wall-rock interactions. According to the three existing studies on short-term magma–carbonate interactions, magma viscosity is the most important controlling factor for carbonate assimilation. Lower viscosity magmas enhance CO 2 -bubble migration away from the reaction site, resulting in a higher carbonate assimilation rate. The released CO 2 plays an important role regarding eruption dynamics since a higher CO 2 release rate would result in accelerated magma ascent and may increase eruption intensity. Despite the importance for hazard assessment, important factors (pressure, magma composition, vapour phase solubilities, carbonate clast properties) for carbonate assimilation in general and CO 2 release rate in particular are not or only poorly constrained. This review presents the present-day knowledge of short-term magma–carbonate interaction that is relevant to establish the basis for future work concerning magma–wall-rock interactions.
Melt inclusion evidence for limestone assimilation, calc-silicate melts, and “magmatic skarn” Open Access
Petrologic constraints on the origin of Proterozoic ferroan granites of the Laurentian margin Available to Purchase
ABSTRACT Ferroan granite is a characteristic rock type of the Laurentian margin. It is commonly associated with anorthosite and related rocks. Ferroan granites are strongly enriched in iron, are alkalic to alkali-calcic, and are generally metaluminous. These geochemical characteristics reflect their tholeiitic parental magma source and relatively reducing and anhydrous conditions of crystallization. Their compositions distinguish them from arc magmas, which are magnesian and calcic to calc-alkalic. Ferroan granite magmas are hot, which promotes partial melting of their crustal wall rocks. Assimilation of these silica-rich and peraluminous melts drives the resulting magmas to higher silica and aluminum saturation values. Where Proterozoic ferroan granites intrude Archean crust, their mantle component is readily identified isotopically, but this is more difficult where they intrude relatively juvenile crust. Ferroan granite forms in tectonic environments that allow partial melts of tholeiitic mantle to pond and differentiate at or near the base of the crust. Phanerozoic examples occur in plume settings, such as the Snake River Plain and Yellowstone, or under certain conditions involving slab rollback, such as those that formed the Cenozoic topaz rhyolites of the western United States or ferroan rhyolites of the Sierra Madre Occidental. It is possible that the long-lived supercontinent Nuna-Rodinia, of which Laurentia was a part, formed an insulating lid that raised underlying mantle temperatures and created a unique environment that enabled emplacement of large volumes of mafic melt at the base of the crust. Ascent of felsic differentiates accompanied by variable crustal assimilation may have created large volumes of Proterozoic ferroan granite and related rocks.