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NARROW
GeoRef Subject
-
all geography including DSDP/ODP Sites and Legs
-
Africa
-
Limpopo Belt (1)
-
Southern Africa
-
South Africa
-
Mpumalanga South Africa
-
Barberton Mountain Land (1)
-
-
Transvaal region (1)
-
-
-
-
Asia
-
Arabian Peninsula
-
Oman (1)
-
-
Far East
-
China (1)
-
Taiwan (1)
-
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Himalayas
-
Mount Everest (1)
-
Zanskar Range (1)
-
-
Indian Peninsula
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Jammu and Kashmir
-
Ladakh (1)
-
-
Kohistan (1)
-
Nepal (2)
-
Pakistan (1)
-
-
Main Central Thrust (2)
-
Middle East
-
Cyprus (1)
-
Turkey
-
Anatolia (1)
-
-
-
Siberian Platform
-
Yakutia region (1)
-
-
-
Atlantic Ocean
-
Mid-Atlantic Ridge
-
Rainbow hydrothermal field (1)
-
TAG hydrothermal field (1)
-
-
North Atlantic
-
Rainbow hydrothermal field (1)
-
TAG hydrothermal field (1)
-
-
-
Australasia
-
Australia
-
Queensland Australia
-
Cloncurry mining district (2)
-
Mount Isa Inlier (4)
-
-
Western Australia
-
Pilbara Craton (1)
-
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-
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Bay of Islands (1)
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Black Hills (1)
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Canada
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Arctic Archipelago (1)
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Eastern Canada
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Baffin Island
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Barnes ice cap (1)
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Maritime Provinces
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New Brunswick (1)
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Nova Scotia (2)
-
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Newfoundland and Labrador
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Labrador (1)
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Newfoundland (2)
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Ontario
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Nipissing District Ontario
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Brent Crater (1)
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Sudbury Basin (1)
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Sudbury igneous complex (1)
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Thunder Bay District Ontario (1)
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Quebec (1)
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Nunavut
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Western Canada
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Alberta
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Coast Ranges (2)
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Commonwealth of Independent States
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Russian Federation
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Siberian Platform
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Yakutia region (1)
-
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-
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East Pacific Ocean Islands
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Hawaii
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Hawaii County Hawaii
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Hawaii Island
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Kilauea (4)
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Mauna Loa (1)
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-
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Eastern Hemisphere (1)
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Europe
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Alps
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Lepontine Alps (1)
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Pennine Alps (1)
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Swiss Alps
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Southern Swiss Alps (1)
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-
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Central Europe
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Switzerland
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Swiss Alps
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Southern Swiss Alps (1)
-
-
-
-
Southern Europe
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Greece (1)
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Italy
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Apennines (1)
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Tuscany Italy
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Yugoslavia (1)
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Western Europe
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France
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Iceland (1)
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Scotland
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Highland region Scotland
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Moine thrust zone (1)
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Scottish Highlands
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Grampian Highlands (1)
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-
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Wales
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Glamorgan Wales
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Cardiff Wales (2)
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Madison Range (1)
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Mediterranean region (1)
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Mexico
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-
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Middle Valley (1)
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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 (4)
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Canadian Shield
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Grenville Province (1)
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Superior Province (5)
-
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Great Lakes region (1)
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Intermontane Belt (2)
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North American Cordillera
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Canadian Cordillera (3)
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Omineca Belt (2)
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Rio Grande Rift (4)
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Rocky Mountains
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Western Interior
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North Australian Craton (1)
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Oceania
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Polynesia
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Kilauea (4)
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Mauna Loa (1)
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Pacific Ocean
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Southeast Pacific (1)
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North Pacific
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Axial Seamount (1)
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Cascadia Basin (1)
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Cobb Seamount (1)
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South Pacific
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United States
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California
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-
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Eastern U.S. (1)
-
Hawaii
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Hawaii Island
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Kilauea (4)
-
-
-
Mauna Loa (1)
-
-
Idaho
-
Snake River plain (1)
-
-
Montana
-
Beaverhead County Montana (1)
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Gallatin County Montana (1)
-
Madison County Montana (1)
-
-
New Mexico
-
McKinley County New Mexico (1)
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-
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Sandoval County New Mexico (1)
-
Santa Fe County New Mexico
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-
-
-
South Dakota
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-
-
Southwestern U.S. (1)
-
U. S. Rocky Mountains
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-
-
Utah
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Beaver County Utah
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Western U.S. (2)
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Wisconsin (1)
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commodities
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brines (2)
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hydrogen
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incompatible elements (1)
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isotope ratios (7)
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isotopes
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Pb-206/Pb-204 (1)
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Pb-207/Pb-204 (1)
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stable isotopes
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C-13/C-12 (1)
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D/H (1)
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He-3 (1)
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He-4/He-3 (1)
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Hf-177/Hf-176 (1)
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Nd-144/Nd-143 (1)
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O-18/O-16 (4)
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Pb-206/Pb-204 (1)
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Pb-207/Pb-204 (1)
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S-34/S-32 (1)
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Sr-87/Sr-86 (2)
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metals
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actinides
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thorium (9)
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alkali metals
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potassium (9)
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alkaline earth metals
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Sr-87/Sr-86 (2)
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hafnium
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Hf-177/Hf-176 (1)
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lead
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Pb-206/Pb-204 (1)
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Pb-207/Pb-204 (1)
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manganese (1)
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oxygen
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fossils
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Archaea (1)
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geologic age
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Tertiary
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Mesozoic
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Cretaceous
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Albian (1)
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Middle Cretaceous (1)
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Upper Cretaceous
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Frontier Formation (1)
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Great Valley Sequence (1)
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Paleozoic
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Devonian
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Keg River Formation (1)
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Upper Devonian
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Precambrian
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Fortescue Group (1)
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upper Precambrian
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Proterozoic
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Onaping Formation (1)
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Isan Orogeny (1)
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Mesoproterozoic (1)
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Paleoproterozoic (1)
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igneous rocks
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igneous rocks
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gabbros (2)
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granites
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leucogranite (1)
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volcanic rocks
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pyroclastics
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ophiolite (2)
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metamorphic rocks
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metasedimentary rocks
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orthosilicates
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-
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-
-
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ring silicates
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cordierite (1)
-
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sheet silicates
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mica group
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biotite (3)
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-
-
-
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sulfates
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anhydrite (1)
-
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sulfides
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sphalerite (1)
-
-
-
Primary terms
-
absolute age (7)
-
Africa
-
Limpopo Belt (1)
-
Southern Africa
-
South Africa
-
Mpumalanga South Africa
-
Barberton Mountain Land (1)
-
-
Transvaal region (1)
-
-
-
-
Asia
-
Arabian Peninsula
-
Oman (1)
-
-
Far East
-
China (1)
-
Taiwan (1)
-
-
Himalayas
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Mount Everest (1)
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Zanskar Range (1)
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Indian Peninsula
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Jammu and Kashmir
-
Ladakh (1)
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Kohistan (1)
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Nepal (2)
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Pakistan (1)
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Main Central Thrust (2)
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Middle East
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Cyprus (1)
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Turkey
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Anatolia (1)
-
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Siberian Platform
-
Yakutia region (1)
-
-
-
Atlantic Ocean
-
Mid-Atlantic Ridge
-
Rainbow hydrothermal field (1)
-
TAG hydrothermal field (1)
-
-
North Atlantic
-
Rainbow hydrothermal field (1)
-
TAG hydrothermal field (1)
-
-
-
Australasia
-
Australia
-
Queensland Australia
-
Cloncurry mining district (2)
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Mount Isa Inlier (4)
-
-
Western Australia
-
Pilbara Craton (1)
-
-
-
-
bacteria (1)
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brines (2)
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Canada
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Arctic Archipelago (1)
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Eastern Canada
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Baffin Island
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Barnes ice cap (1)
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Maritime Provinces
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New Brunswick (1)
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Nova Scotia (2)
-
-
Newfoundland and Labrador
-
Labrador (1)
-
Newfoundland (2)
-
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Ontario
-
Nipissing District Ontario
-
Brent Crater (1)
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Sudbury Basin (1)
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Sudbury igneous complex (1)
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Thunder Bay District Ontario (1)
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Quebec (1)
-
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Nunavut
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Baffin Island
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Barnes ice cap (1)
-
-
-
Western Canada
-
Alberta
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Alberta Basin (1)
-
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British Columbia
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Bowser Basin (1)
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Omineca Mountains (1)
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Canadian Cordillera (3)
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Manitoba (1)
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Northwest Territories (2)
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Reindeer Zone (1)
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Saskatchewan (1)
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Yukon Territory (1)
-
-
-
carbon
-
C-13/C-12 (1)
-
C-14 (2)
-
organic carbon (1)
-
-
Cenozoic
-
Quaternary
-
Holocene (1)
-
Pleistocene
-
Bishop Tuff (1)
-
-
-
Tertiary
-
Paleogene
-
Eocene (1)
-
Oligocene (2)
-
-
-
-
coal deposits (1)
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continental drift (1)
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continental shelf (1)
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crust (33)
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crystal growth (1)
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data processing (7)
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deformation (2)
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diagenesis (1)
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earthquakes (1)
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East Pacific Ocean Islands
-
Hawaii
-
Hawaii County Hawaii
-
Hawaii Island
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Kilauea (4)
-
-
-
Mauna Loa (1)
-
-
-
Eastern Hemisphere (1)
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economic geology (11)
-
Europe
-
Alps
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Pennine Alps (1)
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Swiss Alps
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Southern Swiss Alps (1)
-
-
-
Central Europe
-
Switzerland
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-
Southern Swiss Alps (1)
-
-
-
-
Southern Europe
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Greece (1)
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Italy
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Apennines (1)
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Tuscany Italy
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Travale Field (1)
-
-
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Yugoslavia (1)
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Western Europe
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Moine thrust zone (1)
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Scottish Highlands
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faults (14)
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heat flow (56)
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hydrogeology (2)
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hydrology (2)
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igneous rocks
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plutonic rocks
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gabbros (2)
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granites
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leucogranite (1)
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ultramafics (1)
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volcanic rocks
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flood basalts (3)
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tholeiitic basalt (1)
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pyroclastics
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inclusions
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isotopes
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radioactive isotopes
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Pb-206/Pb-204 (1)
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Pb-207/Pb-204 (1)
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stable isotopes
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C-13/C-12 (1)
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D/H (1)
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He-3 (1)
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He-4/He-3 (1)
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Hf-177/Hf-176 (1)
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Nd-144/Nd-143 (1)
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O-18/O-16 (4)
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mantle (10)
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Mesozoic
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Cretaceous
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Albian (1)
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Blackleaf Formation (1)
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Mowry Shale (1)
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Muddy Sandstone (1)
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Application of the Electromagnetic Geothermometer in Geothermics and Geothermal Exploration
Petrogenesis of voluminous silicic magmas in the Sierra Madre Occidental large igneous province, Mexican Cordillera: Insights from zircon and Hf-O isotopes
WESTERN EXPLORERS AND VOLCANIC HEAT IN HAWAIʻI
Drilling into mines for heat: geological synthesis of the UK Geoenergy Observatory in Glasgow and implications for mine water heat resources
The temperature of Britain's coalfields
Feasibility study of collective heating and cooling based on foundation pile heat exchangers in Vejle (Denmark)
A distributed heat pulse sensor network for thermo-hydraulic monitoring of the soil subsurface
EARLY HAWAIIANS AND VOLCANIC HEAT
Establishing an urban geo-observatory to support sustainable development of shallow subsurface heat recovery and storage
Change of crackling noise in granite by thermal damage: Monitoring nuclear waste deposits
U, Th, and K partitioning between metal, silicate, and sulfide and implications for Mercury's structure, volatile content, and radioactive heat production
The nature of the heat source of mafic magmatism during the formation of the Vilyui rift based on the ages of dike swarms and results of numerical modeling
A modelling study of the variation of thermal conductivity of the English Chalk
Mapping shallow urban groundwater temperatures, a case study from Cardiff, UK
Site investigation for energy geostructures
Evaluation of a discrete-depth heat dissipation test for thermal characterization of the subsurface
Heat transfer in the subsurface can vary with depth due to variations in the thermal conductivity of the geologic medium as well as variations in groundwater flow velocity. However, traditional thermal response tests (TRTs) do not allow for evaluation of the depth variability of heat transfer. We investigate the potential for using discrete-depth heat dissipation tests in open, water-filled boreholes to evaluate variations in heat exchange rate with depth. Heat dissipation tests were initiated at target depths in a test well using an electrical resistance heater. Heat dissipation was monitored by measuring borehole water temperature through time using a fiber-optic distributed temperature sensing system. Temperature data were used to compare the thermal response at different depths in the borehole. To account for both the thermal conductivity of the geologic medium and the groundwater flow velocity, we used a numerical groundwater flow model (MODFLOW) and solute transport model (MT3DMS) to simulate heat dissipation tests. Simulation results indicate the measured response to a heat dissipation test in an open borehole is strongly dependent on the measurement location within the borehole; thus, data are ambiguous when the measurement location is uncontrolled. However, modeling results also indicate that the thermal response of a heat dissipation test as measured at the center of the borehole is sensitive to variations in thermal conductivity and groundwater flow velocity, suggesting that heat dissipation tests are a potentially useful method for characterizing depth variability in thermal properties if a centralized temperature measurement method is used to monitor the tests.
Magmatism, orogeny and the origin of high-heat-producing granites in Australian Proterozoic terranes
Section 4. The Generation of Granitic Magma-Current Ideas
We have developed a conceptual model for the Tesuque aquifer system in the southeastern Española Basin near Santa Fe, New Mexico, based on measurements of chemical, isotopic, and thermal properties of groundwater from 120 wells. This study concentrates on a single groundwater-flow unit (GFU) of the Tesuque aquifer associated with the Santa Fe River drainage, where groundwater flows east to west across north-trending rift structures. We examine links between groundwater flow, temperature, water chemistry, and major fault structures. Hydrologic and hydrochemical processes are assessed through spatial mapping of temperature and chemical composition (Ca:Na ratios, F, As, B, Li, δ 2 H, and δ 18 O), Piper and bivariate plots, Spearman rank-order correlations, and flow-line modeling of mineral saturation (PHREEQC software). Results help delineate recharge and discharge areas and demonstrate spatial correspondence of major rift structures with changes in chemical and thermal data. Thermal wells with anomalous discharge temperatures and regional thermal gradients exceeding 40 °C/km align with structural boundaries of the Cañada Ancha graben and Caja del Rio horst. Mg-Li geothermometry characterizes temperatures associated with deep circulating groundwater. Important features of the conceptual model are (1) a forced convection system in the Tesuque aquifer associated with the Caja del Rio horst drives upward flow and discharge of warm, Na-rich groundwater in the western half of the Cañada Ancha graben; and (2) major horst-graben structures concentrate upward flow of deep, NaSO 4 thermal waters from underlying bedrock. Both features likely contribute to chemical anomalies and thermal disturbances in the shallow Tesuque aquifer.