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all geography including DSDP/ODP Sites and Legs
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Africa
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Afar (1)
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Central Africa
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Congo (1)
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Congo Craton (1)
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East Africa
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Ethiopia (1)
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Kenya
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East Turkana Basin (1)
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Mozambique (2)
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Sudan (1)
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Zambia (1)
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East African Rift (1)
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Limpopo Belt (5)
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Madagascar (2)
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Mozambique Belt (3)
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North Africa
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Atlas Mountains
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Moroccan Atlas Mountains
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Anti-Atlas (1)
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Egypt
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Sinai Egypt (1)
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Morocco
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Bou Azzer (1)
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Nubian Shield (2)
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Southern Africa
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Barberton greenstone belt (3)
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Kaapvaal Craton (15)
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South Africa
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Bushveld Complex (3)
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Free State South Africa
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Vredefort Dome (1)
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Gauteng South Africa
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KwaZulu-Natal South Africa (3)
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Mpumalanga South Africa
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Northern Cape Province South Africa (1)
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North-West Province South Africa
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Transvaal region (3)
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Zimbabwe
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West Africa
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Arctic Ocean
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Russian Arctic
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Svalbard
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Asia
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Altai Mountains
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Gorny Altai (4)
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Altai Russian Federation
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Irkutsk Russian Federation
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Kemerovo Russian Federation
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Shoriya Mountains (1)
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Krasnoyarsk Russian Federation
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Turkey
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Siberia (8)
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Yenisei Ridge (6)
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Tibetan Plateau (1)
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Tien Shan (3)
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Transbaikalia (8)
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Tuva Russian Federation
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Sangilen Mountains (1)
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Tyumen Russian Federation
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Khanty-Mansi Russian Federation (2)
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Verkhoyansk region (1)
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West Siberia
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Kuznetsk Alatau (2)
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Western Transbaikalia (2)
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Yakutia Russian Federation
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Yana River (1)
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Zabaykalskiy Russian Federation (1)
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Atlantic Ocean
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North Sea
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Atlantic Ocean Islands
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Australasia
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Australia
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South Australia
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Tasmania Australia (1)
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Victoria Australia (1)
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Western Australia
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Hamersley Basin (1)
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Yilgarn Craton (6)
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New Zealand
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Fiordland (2)
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Avalon Zone (3)
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Black Mountains (1)
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Broken Hill Mine (1)
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Caledonides (13)
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Maritime Provinces
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Yarmouth County Nova Scotia
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Meguma Terrane (2)
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Newfoundland and Labrador
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Labrador
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Voisey's Bay Deposit (1)
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Newfoundland
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Ontario
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Cochrane District Ontario
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Kidd Creek Mine (1)
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Nipissing District Ontario
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North Bay Ontario (1)
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Sudbury Basin (1)
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Sudbury igneous complex (2)
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Timiskaming District Ontario
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Kirkland Lake Ontario (1)
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Quebec
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Abitibi County Quebec
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Val d'Or Quebec (1)
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Lac-Saint-Jean-Ouest County Quebec (1)
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Sigma Mine (1)
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Labrador Trough (2)
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Nunavut
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Ellesmere Island (1)
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Queen Elizabeth Islands
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Stikinia Terrane (2)
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Western Canada
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Kyrgyzstan (1)
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Stanovoy Range (2)
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Tuva Russian Federation
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Tyumen Russian Federation
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Khanty-Mansi Russian Federation (2)
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Gulf Coastal Plain (2)
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Kootenay Arc (1)
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Michigan Basin (1)
-
North American Cordillera
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Canadian Cordillera (9)
-
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North American Craton (1)
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Omineca Belt (2)
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Rocky Mountains
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Laramie Mountains (1)
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Wind River Range (1)
-
-
-
Yukon-Tanana Terrane (2)
-
Yukon-Tanana Upland (1)
-
-
North Slope (1)
-
Northern Highlands (1)
-
Oceania
-
Melanesia
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Malaita (1)
-
-
-
Pacific Ocean
-
Central Pacific (1)
-
East Pacific
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Northeast Pacific
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Gorda Rise (1)
-
Juan de Fuca Ridge (1)
-
-
-
North Pacific
-
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Gorda Rise (1)
-
Juan de Fuca Ridge (1)
-
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Northwest Pacific
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Mariana Trench (1)
-
Okhotsk Sea (3)
-
-
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West Pacific
-
Northwest Pacific
-
Mariana Trench (1)
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-
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Ontong Java Plateau (1)
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Quesnellia Terrane (2)
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Russian Platform
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South America
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Andes
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Argentina
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Brazil
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Para Brazil
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Carajas mineral province (2)
-
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Rio Grande do Norte Brazil (1)
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Santa Catarina Brazil (1)
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Chile (1)
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Peru
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Arequipa Peru (1)
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Precordillera (1)
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South Island (2)
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Southern Ocean
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Prydz Bay (2)
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Southern Uplands (1)
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Sullivan Mine (1)
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United States
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Alabama (3)
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California
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Cherokee County Iowa (1)
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Kentucky (1)
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Massachusetts
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Suffolk County Massachusetts
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-
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Michigan
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Michigan Upper Peninsula
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-
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Midcontinent (3)
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Montana
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Nevada
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Hamilton County New York (2)
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North Carolina
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Oklahoma
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Oregon
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U. S. Rocky Mountains
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Utah
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commodities
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mineral deposits, genesis (51)
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elements, isotopes
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chemical ratios (7)
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halogens
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hydrogen
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incompatible elements (1)
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isotope ratios (178)
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Pb-207/Pb-204 (12)
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Pb-208/Pb-204 (11)
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Rb-87/Sr-86 (2)
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Sm-147/Nd-144 (14)
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U-238/Pb-206 (1)
-
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stable isotopes
-
Ar-40 (1)
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Ar-40/Ar-39 (6)
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C-13/C-12 (5)
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D/H (1)
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deuterium (1)
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Fe-56/Fe-54 (3)
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He-4/He-3 (2)
-
Hf-177/Hf-176 (14)
-
Nd-142 (1)
-
Nd-144/Nd-143 (161)
-
O-18/O-16 (20)
-
Os-188/Os-187 (2)
-
Pb-206/Pb-204 (15)
-
Pb-207/Pb-204 (12)
-
Pb-207/Pb-206 (7)
-
Pb-208/Pb-204 (11)
-
Pb-208/Pb-206 (1)
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Rb-87/Sr-86 (2)
-
S-34/S-32 (5)
-
Sm-147/Nd-144 (14)
-
Sr-87/Sr-86 (72)
-
U-238/Pb-206 (1)
-
-
-
large-ion lithophile elements (1)
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Lu/Hf (26)
-
metals
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actinides
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thorium (1)
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uranium
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U-238/Pb-206 (1)
-
-
-
alkali metals
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potassium (2)
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rubidium
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Rb-87/Sr-86 (2)
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-
-
alkaline earth metals
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magnesium (2)
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strontium
-
Rb-87/Sr-86 (2)
-
Sr-87/Sr-86 (72)
-
-
-
aluminum (1)
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chromium (1)
-
hafnium
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Hf-177/Hf-176 (14)
-
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iron
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Fe-56/Fe-54 (3)
-
-
lead
-
Pb-206/Pb-204 (15)
-
Pb-207/Pb-204 (12)
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Pb-207/Pb-206 (7)
-
Pb-208/Pb-204 (11)
-
Pb-208/Pb-206 (1)
-
U-238/Pb-206 (1)
-
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manganese (1)
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niobium (4)
-
platinum group
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osmium
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Os-188/Os-187 (2)
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platinum ores (4)
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precious metals (1)
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rare earths
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cerium (2)
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europium (1)
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lutetium (1)
-
neodymium
-
Nd-142 (1)
-
Nd-144/Nd-143 (161)
-
Sm-147/Nd-144 (14)
-
-
samarium
-
Sm-147/Nd-144 (14)
-
-
-
tantalum (1)
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vanadium (1)
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zirconium (1)
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nitrogen (1)
-
noble gases
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argon
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Ar-40 (1)
-
Ar-40/Ar-39 (6)
-
-
helium
-
He-4/He-3 (2)
-
-
-
oxygen
-
O-18/O-16 (20)
-
-
sulfur
-
S-34/S-32 (5)
-
-
trace metals (1)
-
-
fossils
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Graptolithina
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Graptoloidea
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Didymograptina
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Isograptus (1)
-
-
-
-
Invertebrata
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Archaeocyatha (2)
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Arthropoda
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Trilobitomorpha
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Trilobita (2)
-
-
-
Cnidaria
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Anthozoa (1)
-
-
Protista
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Radiolaria (2)
-
-
-
microfossils
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Conodonta (1)
-
-
Plantae
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algae
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Epiphyton (1)
-
-
Spermatophyta
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Gymnospermae
-
Ginkgoales (1)
-
-
-
-
problematic fossils (1)
-
-
geochronology methods
-
(U-Th)/He (1)
-
Ar/Ar (42)
-
fission-track dating (1)
-
K/Ar (19)
-
Lu/Hf (26)
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Nd/Nd (12)
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paleomagnetism (5)
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Pb/Pb (44)
-
Pb/Th (2)
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Rb/Sr (125)
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Re/Os (15)
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Sm/Nd (544)
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Sr/Sr (3)
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Th/U (3)
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thermochronology (6)
-
U/Pb (257)
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U/Th/Pb (14)
-
-
geologic age
-
Cenozoic
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Quaternary (2)
-
Siwalik System (1)
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Tertiary
-
lower Tertiary (1)
-
Neogene
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Miocene
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middle Miocene (1)
-
Paintbrush Tuff (1)
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Topopah Spring Member (1)
-
upper Miocene (1)
-
-
Pliocene (2)
-
-
Paleogene
-
Barail Group (1)
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Eocene
-
lower Eocene (1)
-
middle Eocene
-
Tyee Formation (2)
-
-
-
Oligocene
-
Frio Formation (1)
-
-
Paleocene (2)
-
Wilcox Group (1)
-
-
-
-
Dalradian (13)
-
Mesozoic
-
Cretaceous
-
Blairmore Group (1)
-
Lower Cretaceous
-
Aptian (1)
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Barremian (1)
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Hauterivian (1)
-
-
Upper Cretaceous (7)
-
-
Great Valley Sequence (1)
-
Jurassic
-
Fernie Formation (1)
-
Lower Jurassic (3)
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Middle Jurassic (2)
-
Upper Jurassic (2)
-
-
Statfjord Formation (1)
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Triassic
-
Liard Formation (1)
-
Lower Triassic
-
Permian-Triassic boundary (1)
-
-
Middle Triassic (2)
-
Upper Triassic
-
Carnian (1)
-
-
-
upper Mesozoic (2)
-
Yanshanian (1)
-
-
Moldanubian (4)
-
Paleozoic
-
Acatlan Complex (1)
-
Cambrian
-
Lower Cambrian
-
Atdabanian (1)
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Tommotian (1)
-
-
Middle Cambrian (2)
-
Upper Cambrian
-
Galesville Sandstone (1)
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Goldenville Formation (2)
-
-
-
Carboniferous
-
Lower Carboniferous
-
Dinantian (1)
-
-
Mabou Group (1)
-
Mississippian
-
Lower Mississippian
-
Tournaisian
-
upper Tournaisian (1)
-
-
-
Middle Mississippian
-
Visean
-
upper Visean (1)
-
-
-
Windsor Group (1)
-
-
Pennsylvanian
-
Middle Pennsylvanian
-
Allegheny Group (1)
-
-
-
Upper Carboniferous
-
Uralian (1)
-
-
-
Devonian
-
Lower Devonian (2)
-
Middle Devonian
-
Balaklala Rhyolite (1)
-
Copley Greenstone (1)
-
Givetian (1)
-
-
Old Red Sandstone (2)
-
Upper Devonian
-
Famennian
-
upper Famennian (1)
-
-
-
-
Horton Group (1)
-
Leinster Granite (1)
-
lower Paleozoic
-
Bay of Islands Ophiolite (1)
-
Chopawamsic Formation (1)
-
-
middle Paleozoic (4)
-
Ordovician
-
Buchans Group (1)
-
Lower Ordovician
-
Arenigian
-
Ballantrae Complex (2)
-
-
Tremadocian
-
Halifax Formation (2)
-
-
-
Middle Ordovician
-
Darriwilian (1)
-
Saint Peter Sandstone (1)
-
-
Upper Ordovician
-
Ashgillian (1)
-
Caradocian
-
Borrowdale Volcanic Group (1)
-
-
Wufeng Formation (1)
-
-
-
Permian
-
Lower Permian (2)
-
Middle Permian (1)
-
Upper Permian
-
Permian-Triassic boundary (1)
-
-
-
Silurian
-
Lower Silurian
-
Llandovery (2)
-
Wenlock (1)
-
-
Upper Silurian
-
Ludlow (1)
-
Pridoli (1)
-
-
-
Silvretta Group (1)
-
upper Paleozoic (2)
-
-
Phanerozoic (4)
-
Precambrian
-
Archean
-
Eoarchean (2)
-
Fig Tree Group (1)
-
Iron Ore Group (1)
-
Mesoarchean (8)
-
Napier Complex (1)
-
Neoarchean (22)
-
Paleoarchean (14)
-
Timiskaming Group (1)
-
-
Bijawar System (1)
-
Catoctin Formation (1)
-
Delhi Supergroup (1)
-
Hadean (4)
-
Kisseynew Complex (2)
-
Lewisian Complex (2)
-
middle Precambrian (2)
-
Nipissing Diabase (1)
-
North Shore Volcanics (1)
-
Pahrump Series (1)
-
Stillwater Complex (1)
-
Transvaal Supergroup (1)
-
upper Precambrian
-
Proterozoic
-
Athabasca Formation (1)
-
Banxi Group (1)
-
Damara System (2)
-
Dedham Granodiorite (1)
-
Keweenawan (1)
-
Kombolgie Formation (1)
-
Lewisian (1)
-
Mesoproterozoic
-
Belt Supergroup (4)
-
Bonner Formation (1)
-
Gawler Range Volcanics (2)
-
Helikian (1)
-
Hiltaba Suite (3)
-
Laxfordian (2)
-
Missoula Group (2)
-
-
Neoproterozoic
-
Cryogenian (2)
-
Ediacaran (1)
-
Macaubas Group (1)
-
McCoy Creek Group (1)
-
Moinian (1)
-
Riphean
-
upper Riphean (1)
-
-
Tonian (2)
-
Vendian (9)
-
-
Paleoproterozoic
-
Aphebian (1)
-
Birimian (3)
-
Chelmsford Formation (1)
-
Karelian (1)
-
Orosirian (2)
-
Qinling Group (1)
-
Rhyacian (1)
-
Rooiberg Group (1)
-
Statherian (1)
-
Svecofennian (2)
-
-
Windermere System (2)
-
-
-
Witwatersrand Supergroup (1)
-
Yellowjacket Formation (2)
-
-
-
igneous rocks
-
igneous rocks
-
carbonatites (5)
-
granophyre (3)
-
kimberlite (7)
-
phoscorites (1)
-
plutonic rocks
-
alnoite (1)
-
anorthosite (10)
-
diabase
-
tholeiitic dolerite (1)
-
-
diorites
-
ferrodiorite (1)
-
plagiogranite (10)
-
quartz diorites (6)
-
tonalite
-
enderbite (3)
-
-
trondhjemite (3)
-
-
gabbros
-
alkali gabbros (2)
-
norite (5)
-
olivine gabbro (1)
-
troctolite (2)
-
-
granites
-
alkali granites (1)
-
A-type granites (11)
-
biotite granite (2)
-
charnockite (7)
-
granite porphyry (4)
-
I-type granites (3)
-
leucogranite (6)
-
microgranite (1)
-
monzogranite (4)
-
rapakivi (2)
-
S-type granites (4)
-
-
granodiorites (9)
-
ijolite (2)
-
lamproite (2)
-
lamprophyres
-
minette (1)
-
-
monzonites
-
mangerite (1)
-
-
pegmatite (13)
-
syenites
-
nepheline syenite
-
foyaite (1)
-
-
quartz syenite (1)
-
-
ultramafics
-
peridotites
-
dunite (2)
-
garnet lherzolite (1)
-
garnet peridotite (3)
-
harzburgite (3)
-
lherzolite (6)
-
spinel lherzolite (2)
-
spinel peridotite (1)
-
-
pyroxenite
-
garnet pyroxenite (1)
-
websterite (4)
-
-
-
-
porphyry (2)
-
volcanic rocks
-
adakites (4)
-
andesites (9)
-
basalts
-
alkali basalts
-
hawaiite (1)
-
trachybasalts (2)
-
-
flood basalts (3)
-
mid-ocean ridge basalts (21)
-
ocean-island basalts (8)
-
tholeiite (6)
-
tholeiitic basalt (1)
-
trap rocks (1)
-
-
dacites (7)
-
keratophyre
-
quartz keratophyre (1)
-
-
komatiite (3)
-
pyroclastics
-
ash-flow tuff (1)
-
tuff (4)
-
tuffite (1)
-
-
rhyodacites (3)
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pyroxene group
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orthosilicates
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zircon group
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sorosilicates
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epidote group
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Primary terms
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Africa
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Highland region Scotland
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Inverness-shire Scotland
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Isle of Skye (1)
-
-
-
Moine thrust zone (2)
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Scottish Highlands
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Grampian Highlands (1)
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Scottish Northern Highlands (2)
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Shetland Islands (1)
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Wales
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Welsh Basin (1)
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-
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Northern Ireland (1)
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-
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faults (49)
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gems (2)
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Graptolithina
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Graptoloidea
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Didymograptina
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Isograptus (1)
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-
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heat flow (6)
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hydrogen
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deuterium (1)
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igneous rocks
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carbonatites (5)
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granophyre (3)
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phoscorites (1)
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diabase
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plagiogranite (10)
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quartz diorites (6)
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tonalite
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enderbite (3)
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trondhjemite (3)
-
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gabbros
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alkali gabbros (2)
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norite (5)
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olivine gabbro (1)
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troctolite (2)
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granites
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alkali granites (1)
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A-type granites (11)
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biotite granite (2)
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charnockite (7)
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granite porphyry (4)
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I-type granites (3)
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leucogranite (6)
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microgranite (1)
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monzogranite (4)
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rapakivi (2)
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S-type granites (4)
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granodiorites (9)
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ijolite (2)
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lamproite (2)
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lamprophyres
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minette (1)
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monzonites
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mangerite (1)
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pegmatite (13)
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syenites
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nepheline syenite
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foyaite (1)
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quartz syenite (1)
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ultramafics
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peridotites
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garnet peridotite (3)
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harzburgite (3)
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lherzolite (6)
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spinel peridotite (1)
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pyroxenite
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garnet pyroxenite (1)
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websterite (4)
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-
-
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porphyry (2)
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volcanic rocks
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adakites (4)
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andesites (9)
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basalts
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alkali basalts
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hawaiite (1)
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trachybasalts (2)
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flood basalts (3)
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mid-ocean ridge basalts (21)
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ocean-island basalts (8)
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tholeiite (6)
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tholeiitic basalt (1)
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trap rocks (1)
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dacites (7)
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keratophyre
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quartz keratophyre (1)
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komatiite (3)
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pyroclastics
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ash-flow tuff (1)
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tuff (4)
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tuffite (1)
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rhyodacites (3)
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rhyolites
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comendite (1)
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tephrite (1)
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trachyandesites (1)
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trachytes (4)
-
-
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inclusions
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fluid inclusions (7)
-
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Indian Ocean
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Mid-Indian Ridge
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Southeast Indian Ridge (1)
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-
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Indian Ocean Islands
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Madagascar (2)
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industrial minerals (1)
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Integrated Ocean Drilling Program
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Expedition 318
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IODP Site U1359 (1)
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intrusions (110)
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Invertebrata
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Archaeocyatha (2)
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Arthropoda
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Trilobitomorpha
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Trilobita (2)
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-
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Cnidaria
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Anthozoa (1)
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Protista
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Radiolaria (2)
-
-
-
isotopes
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radioactive isotopes
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Ar-40/Ar-39 (6)
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Pb-206/Pb-204 (15)
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Pb-207/Pb-204 (12)
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Pb-208/Pb-204 (11)
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Rb-87/Sr-86 (2)
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Sm-147/Nd-144 (14)
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U-238/Pb-206 (1)
-
-
stable isotopes
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Ar-40 (1)
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Ar-40/Ar-39 (6)
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C-13/C-12 (5)
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D/H (1)
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deuterium (1)
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Fe-56/Fe-54 (3)
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He-4/He-3 (2)
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Hf-177/Hf-176 (14)
-
Nd-142 (1)
-
Nd-144/Nd-143 (161)
-
O-18/O-16 (20)
-
Os-188/Os-187 (2)
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Pb-206/Pb-204 (15)
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Pb-207/Pb-204 (12)
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Pb-207/Pb-206 (7)
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Pb-208/Pb-204 (11)
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Pb-208/Pb-206 (1)
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Rb-87/Sr-86 (2)
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S-34/S-32 (5)
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Sm-147/Nd-144 (14)
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Sr-87/Sr-86 (72)
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U-238/Pb-206 (1)
-
-
-
lava (11)
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lineation (2)
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magmas (72)
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mantle (64)
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Mesozoic
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Cretaceous
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Blairmore Group (1)
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Lower Cretaceous
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Aptian (1)
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Barremian (1)
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Hauterivian (1)
-
-
Upper Cretaceous (7)
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Great Valley Sequence (1)
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Jurassic
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Fernie Formation (1)
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Lower Jurassic (3)
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Middle Jurassic (2)
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Upper Jurassic (2)
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Statfjord Formation (1)
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Triassic
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Liard Formation (1)
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Lower Triassic
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Permian-Triassic boundary (1)
-
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Middle Triassic (2)
-
Upper Triassic
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Carnian (1)
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-
-
upper Mesozoic (2)
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Yanshanian (1)
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metal ores
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arsenic ores (1)
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base metals (2)
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cobalt ores (3)
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copper ores (30)
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gold ores (29)
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IOCG deposits (3)
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iron ores (8)
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lead ores (8)
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lead-zinc deposits (8)
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molybdenum ores (3)
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nickel ores (10)
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platinum ores (4)
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polymetallic ores (6)
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pyrite ores (1)
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rare earth deposits (8)
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silver ores (8)
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tantalum ores (1)
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thorium ores (1)
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tin ores (4)
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titanium ores (1)
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uranium ores (10)
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vanadium ores (1)
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zinc ores (12)
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metals
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actinides
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thorium (1)
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uranium
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U-238/Pb-206 (1)
-
-
-
alkali metals
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lithium (1)
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potassium (2)
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rubidium
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Rb-87/Sr-86 (2)
-
-
-
alkaline earth metals
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barium (2)
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beryllium (1)
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magnesium (2)
-
strontium
-
Rb-87/Sr-86 (2)
-
Sr-87/Sr-86 (72)
-
-
-
aluminum (1)
-
chromium (1)
-
hafnium
-
Hf-177/Hf-176 (14)
-
-
iron
-
Fe-56/Fe-54 (3)
-
-
lead
-
Pb-206/Pb-204 (15)
-
Pb-207/Pb-204 (12)
-
Pb-207/Pb-206 (7)
-
Pb-208/Pb-204 (11)
-
Pb-208/Pb-206 (1)
-
U-238/Pb-206 (1)
-
-
manganese (1)
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nickel (1)
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niobium (4)
-
platinum group
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osmium
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Os-188/Os-187 (2)
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platinum ores (4)
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precious metals (1)
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rare earths
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cerium (2)
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europium (1)
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lanthanum (2)
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lutetium (1)
-
neodymium
-
Nd-142 (1)
-
Nd-144/Nd-143 (161)
-
Sm-147/Nd-144 (14)
-
-
samarium
-
Sm-147/Nd-144 (14)
-
-
-
tantalum (1)
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titanium (4)
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vanadium (1)
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zirconium (1)
-
-
metamorphic rocks
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amphibolites
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orthoamphibolite (1)
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-
eclogite (26)
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garnetite (1)
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gneisses
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augen gneiss (5)
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biotite gneiss (1)
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granite gneiss (10)
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orthogneiss (20)
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paragneiss (7)
-
-
granulites
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leptite (1)
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metaigneous rocks
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metabasalt (7)
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metabasite (5)
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metadacite (1)
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metadiorite (1)
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metagabbro (10)
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metagranite (11)
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metakomatiite (1)
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metarhyolite (1)
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serpentinite (1)
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metaplutonic rocks (4)
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metasedimentary rocks
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meta-arkose (1)
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metaconglomerate (3)
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metagraywacke (1)
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metapelite (9)
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metasandstone (1)
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paragneiss (7)
-
-
metasomatic rocks
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greisen (2)
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serpentinite (1)
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skarn (2)
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-
metavolcanic rocks (23)
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migmatites (15)
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mylonites
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blastomylonite (1)
-
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phyllites (3)
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quartzites
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ferruginous quartzite (1)
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-
schists
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glaucophane schist (1)
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greenschist (2)
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greenstone (5)
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tourmalinite (1)
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slates (2)
-
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metamorphism (130)
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metasomatism (36)
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meteorites
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Northwest Africa Meteorites (1)
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stony meteorites
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achondrites
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Martian meteorites (1)
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chondrites
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enstatite chondrites (1)
-
-
-
-
Mexico
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Chiapas Mexico (1)
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Guanajuato Mexico (1)
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Michoacan-Guanajuato volcanic field (1)
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Oaxaca Mexico (1)
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Puebla Mexico (1)
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Sonora Mexico (1)
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Trans-Mexican volcanic belt (2)
-
-
mineral deposits, genesis (51)
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mineral exploration (10)
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mineral resources (1)
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minerals (1)
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monazite deposits (1)
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Moon (4)
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nitrogen (1)
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noble gases
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argon
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Ar-40 (1)
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Ar-40/Ar-39 (6)
-
-
helium
-
He-4/He-3 (2)
-
-
-
North America
-
Appalachians
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Blue Ridge Mountains (1)
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Blue Ridge Province (3)
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Central Appalachians (2)
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Northern Appalachians (3)
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Piedmont (3)
-
Southern Appalachians (7)
-
-
Basin and Range Province
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Great Basin (4)
-
-
Belt Basin (1)
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Canadian Shield
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Churchill Province
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Hearne Province (1)
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Rae Province (2)
-
-
Flin Flon Belt (1)
-
Grenville Province
-
Central Gneiss Belt (3)
-
Central Metasedimentary Belt (2)
-
-
Nain Province (1)
-
Slave Province (5)
-
Southern Province (2)
-
Superior Province
-
Abitibi Belt (9)
-
English River Belt (1)
-
Kapuskasing Zone (1)
-
Michipicoten Belt (1)
-
Pontiac Subprovince (1)
-
Wabigoon Belt (1)
-
Wawa Belt (2)
-
-
Taltson magmatic zone (1)
-
-
Coast plutonic complex (2)
-
Great Lakes
-
Lake Huron (1)
-
-
Great Lakes region (4)
-
Grenville Front (1)
-
Gulf Coastal Plain (2)
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Kootenay Arc (1)
-
Michigan Basin (1)
-
North American Cordillera
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Canadian Cordillera (9)
-
-
North American Craton (1)
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Okanagan Valley (1)
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Omineca Belt (2)
-
Rocky Mountains
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Northern Rocky Mountains (1)
-
U. S. Rocky Mountains
-
Absaroka Range
-
Beartooth Mountains (3)
-
-
Laramie Mountains (1)
-
Medicine Bow Mountains (1)
-
Wind River Range (1)
-
-
-
Yukon-Tanana Terrane (2)
-
Yukon-Tanana Upland (1)
-
-
ocean basins (1)
-
Ocean Drilling Program
-
Leg 177
-
ODP Site 1089 (1)
-
ODP Site 1094 (1)
-
-
-
ocean floors (1)
-
Oceania
-
Melanesia
-
Malaita (1)
-
-
-
oil and gas fields (2)
-
orogeny (64)
-
oxygen
-
O-18/O-16 (20)
-
-
Pacific Ocean
-
Central Pacific (1)
-
East Pacific
-
Northeast Pacific
-
Gorda Rise (1)
-
Juan de Fuca Ridge (1)
-
-
-
North Pacific
-
Northeast Pacific
-
Gorda Rise (1)
-
Juan de Fuca Ridge (1)
-
-
Northwest Pacific
-
Mariana Trench (1)
-
Okhotsk Sea (3)
-
-
-
West Pacific
-
Northwest Pacific
-
Mariana Trench (1)
-
Okhotsk Sea (3)
-
-
Ontong Java Plateau (1)
-
-
-
paleobotany (1)
-
paleoclimatology (4)
-
paleogeography (35)
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paleomagnetism (5)
-
Paleozoic
-
Acatlan Complex (1)
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Cambrian
-
Lower Cambrian
-
Atdabanian (1)
-
Tommotian (1)
-
-
Middle Cambrian (2)
-
Upper Cambrian
-
Galesville Sandstone (1)
-
Goldenville Formation (2)
-
-
-
Carboniferous
-
Lower Carboniferous
-
Dinantian (1)
-
-
Mabou Group (1)
-
Mississippian
-
Lower Mississippian
-
Tournaisian
-
upper Tournaisian (1)
-
-
-
Middle Mississippian
-
Visean
-
upper Visean (1)
-
-
-
Windsor Group (1)
-
-
Pennsylvanian
-
Middle Pennsylvanian
-
Allegheny Group (1)
-
-
-
Upper Carboniferous
-
Uralian (1)
-
-
-
Devonian
-
Lower Devonian (2)
-
Middle Devonian
-
Balaklala Rhyolite (1)
-
Copley Greenstone (1)
-
Givetian (1)
-
-
Old Red Sandstone (2)
-
Upper Devonian
-
Famennian
-
upper Famennian (1)
-
-
-
-
Horton Group (1)
-
Leinster Granite (1)
-
lower Paleozoic
-
Bay of Islands Ophiolite (1)
-
Chopawamsic Formation (1)
-
-
middle Paleozoic (4)
-
Ordovician
-
Buchans Group (1)
-
Lower Ordovician
-
Arenigian
-
Ballantrae Complex (2)
-
-
Tremadocian
-
Halifax Formation (2)
-
-
-
Middle Ordovician
-
Darriwilian (1)
-
Saint Peter Sandstone (1)
-
-
Upper Ordovician
-
Ashgillian (1)
-
Caradocian
-
Borrowdale Volcanic Group (1)
-
-
Wufeng Formation (1)
-
-
-
Permian
-
Lower Permian (2)
-
Middle Permian (1)
-
Upper Permian
-
Permian-Triassic boundary (1)
-
-
-
Silurian
-
Lower Silurian
-
Llandovery (2)
-
Wenlock (1)
-
-
Upper Silurian
-
Ludlow (1)
-
Pridoli (1)
-
-
-
Silvretta Group (1)
-
upper Paleozoic (2)
-
-
paragenesis (14)
-
petroleum
-
natural gas
-
shale gas (1)
-
-
-
petrology (13)
-
Phanerozoic (4)
-
phase equilibria (10)
-
phosphate deposits (1)
-
planetology (1)
-
Plantae
-
algae
-
Epiphyton (1)
-
-
Spermatophyta
-
Gymnospermae
-
Ginkgoales (1)
-
-
-
-
plate tectonics (94)
-
pollution (2)
-
Precambrian
-
Archean
-
Eoarchean (2)
-
Fig Tree Group (1)
-
Iron Ore Group (1)
-
Mesoarchean (8)
-
Napier Complex (1)
-
Neoarchean (22)
-
Paleoarchean (14)
-
Timiskaming Group (1)
-
-
Bijawar System (1)
-
Catoctin Formation (1)
-
Delhi Supergroup (1)
-
Hadean (4)
-
Kisseynew Complex (2)
-
Lewisian Complex (2)
-
middle Precambrian (2)
-
Nipissing Diabase (1)
-
North Shore Volcanics (1)
-
Pahrump Series (1)
-
Stillwater Complex (1)
-
Transvaal Supergroup (1)
-
upper Precambrian
-
Proterozoic
-
Athabasca Formation (1)
-
Banxi Group (1)
-
Damara System (2)
-
Dedham Granodiorite (1)
-
Keweenawan (1)
-
Kombolgie Formation (1)
-
Lewisian (1)
-
Mesoproterozoic
-
Belt Supergroup (4)
-
Bonner Formation (1)
-
Gawler Range Volcanics (2)
-
Helikian (1)
-
Hiltaba Suite (3)
-
Laxfordian (2)
-
Missoula Group (2)
-
-
Neoproterozoic
-
Cryogenian (2)
-
Ediacaran (1)
-
Macaubas Group (1)
-
McCoy Creek Group (1)
-
Moinian (1)
-
Riphean
-
upper Riphean (1)
-
-
Tonian (2)
-
Vendian (9)
-
-
Paleoproterozoic
-
Aphebian (1)
-
Birimian (3)
-
Chelmsford Formation (1)
-
Karelian (1)
-
Orosirian (2)
-
Qinling Group (1)
-
Rhyacian (1)
-
Rooiberg Group (1)
-
Statherian (1)
-
Svecofennian (2)
-
-
Windermere System (2)
-
-
-
Witwatersrand Supergroup (1)
-
Yellowjacket Formation (2)
-
-
problematic fossils (1)
-
sea water (1)
-
sea-floor spreading (1)
-
sea-level changes (1)
-
sedimentary petrology (3)
-
sedimentary rocks
-
carbonate rocks
-
limestone (1)
-
-
chemically precipitated rocks
-
chert (3)
-
iron formations
-
banded iron formations (6)
-
-
-
clastic rocks
-
arenite
-
quartz arenite (1)
-
-
black shale (1)
-
conglomerate (3)
-
graywacke (1)
-
mudstone (1)
-
sandstone (22)
-
shale (10)
-
siltstone (2)
-
-
coal (1)
-
-
sedimentary structures
-
planar bedding structures
-
bedding (1)
-
-
-
sedimentation (15)
-
sediments
-
clastic sediments
-
loess (1)
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overbank sediments (1)
-
pebbles (2)
-
-
marine sediments (2)
-
-
seismology (1)
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Solomon Islands (1)
-
South America
-
Amazon Basin (3)
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Amazonian Craton (2)
-
Andes
-
Central Andes (2)
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Cordillera Real (1)
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Northern Andes (1)
-
-
Argentina
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Pampean Mountains (2)
-
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Bolivia (1)
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Brazil
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Aracuai Belt (1)
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Borborema Province (1)
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Brazilian Shield (1)
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Goias Brazil (1)
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Mato Grosso do Sul Brazil (1)
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Para Brazil
-
Carajas mineral province (2)
-
-
Rio Grande do Norte Brazil (1)
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Rio Grande do Sul Brazil (1)
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Santa Catarina Brazil (1)
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Sao Francisco Craton (1)
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Tocantins River region (1)
-
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Chile (1)
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Ecuador (1)
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Falkland Islands (1)
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Paraguay (1)
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Parana Basin (1)
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Peru
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Arequipa Peru (1)
-
-
Precordillera (1)
-
-
Southern Ocean
-
Prydz Bay (2)
-
-
spectroscopy (2)
-
stratigraphy (4)
-
structural analysis (13)
-
structural geology (3)
-
sulfur
-
S-34/S-32 (5)
-
-
tectonics (121)
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tectonophysics (11)
-
United States
-
Alabama (3)
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Alaska
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Brooks Range
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Sadlerochit Mountains (1)
-
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Mount Michelson Quadrangle (1)
-
-
Arizona (3)
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Arkansas
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Little River County Arkansas (1)
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Atlantic Coastal Plain (1)
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Blue Ridge Mountains (1)
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Brevard Zone (1)
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GeoRef Categories
Era and Period
Epoch and Age
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1-20 OF 544 RESULTS FOR
Sm/Nd
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Journal Article
Petrogenesis and tectonic settings of the Neoarchean A-type granitoid complex from the Carajás Province, Amazonian craton: constraints from geochemistry, SHRIMP U‒Pb zircon geochronology and Hf–Nd isotopes
Fernando Fernandes da Silva, Davis Carvalho de Oliveira, Roberto Dall'Agnol, João Orestes Schneider Santos, Marco Antonio Galarza, Fabriciana Vieira Guimarães, Luan Alexandre Martins de Sousa
Journal: Journal of the Geological Society
Publisher: Geological Society of London
Published: 03 February 2025
Journal of the Geological Society (2025) 182 (2): jgs2024-109.
Journal Article
Flood basalt origin for Earth's largest Paleoarchean banded iron formation
Journal: Geology
Publisher: Geological Society of America
Published: 09 December 2024
Geology (2025) 53 (3): 227–231.
Journal Article
Granulites of the Larba Block of the Dzhugdzhur–Stanovoi Superterrane: Reconstruction of the Formation Conditions
Journal: Russian Geology and Geophysics
Publisher: Novosibirsk State University
Published: 01 September 2024
Russ. Geol. Geophys. (2024) 65 (9): 1023–1040.
Includes: Supplemental Content
Journal Article
Earth’s Earliest Crust
Journal: Elements
Publisher: Mineralogical Society of America
Published: 01 June 2024
Elements (2024) 20 (3): 168–173.
Journal Article
Archean Cratons: Terms, Concepts, and Analytical Approaches
Journal: Elements
Publisher: Mineralogical Society of America
Published: 01 June 2024
Elements (2024) 20 (3): 157–161.
Journal Article
Vestiges of Earth’s earliest depleted mantle reservoir
Journal: Geology
Publisher: Geological Society of America
Published: 13 March 2024
Geology (2024) 52 (6): 463–467.
FIGURES
Journal Article
Superimposed Gold Mineralization Events in the Tuanshanbei Orogenic Gold Deposit, Central Jiangnan Orogen, South China
Cheng Wang, Yong-Jun Shao, Richard Goldfarb, Shi-Min Tan, Ji Sun, Chao Zhou, Han Zheng, Qing-Quan Liu, Yi-Qu Xiong
Journal: Economic Geology
Publisher: Society of Economic Geologists
Published: 01 January 2024
Economic Geology (2024) 119 (1): 113–137.
Includes: Supplemental Content
Journal Article
Direct radiometric dating of bitumen using Sm-Nd isotopes
Journal: AAPG Bulletin
Publisher: American Association of Petroleum Geologists
Published: 01 November 2023
AAPG Bulletin (2023) 107 (11): 1883–1900.
Journal Article
High-pressure metamorphism of Precambrian continental crust in the southwestern part of the Central Asian Orogenic Belt (South Kazakhstan and North Tien Shan) and tectonic implications for the evolution of the Palaeo-Asian Ocean
Anfisa V. Skoblenko (Pilitsyna), Nadezhda A. Kanygina, Alexander S. Dubenskiy, Valentina G. Batanova, Yildirim Dilek, Victor S. Sheshukov, Pavel A. Serov
Journal: Geological Magazine
Publisher: Cambridge University Press
Published: 19 October 2023
Geological Magazine (2023) 160 (8): 1624–1648.
Journal Article
Isotopic behavior and age interpretations of U-Pb, Sm-Nd, and 40 Ar/ 39 Ar systems in polymetamorphic granulite terranes: A case study from the Prydz Belt and adjacent Vestfold Block, East Antarctica
Journal: GSA Bulletin
Publisher: Geological Society of America
Published: 02 August 2023
GSA Bulletin (2024) 136 (3-4): 1356–1378.
Journal Article
The Kataevo Island Arc System of the Paleoasian Ocean (Transbaikalia): Composition, Age, Paleomagnetism, and Formation Geodynamic Settings
Journal: Russian Geology and Geophysics
Publisher: Novosibirsk State University
Published: 01 March 2023
Russ. Geol. Geophys. (2023) 64 (3): 319–333.
Journal Article
Affinity and Petrogenesis of the Huzyk Creek Metal-Enriched Graphite Deposit: A Metamorphosed Metalliferous Black Shale in the Trans-Hudson Orogen Of Manitoba, Canada
Journal: The Canadian Mineralogist
Publisher: Mineralogical Association of Canada
Published: 21 February 2023
The Canadian Mineralogist (2022) 60 (6): 853–880.
Journal Article
Time-space variations in the East African Rift magmatism: the role of different mantle domains
Alessandro Bragagni, Eleonora Braschi, Andrea Orlando, Luisa Guarnieri, Giacomo Corti, Simone Tommasini
Journal: Italian Journal of Geosciences
Publisher: Societa Geologica Italiana
Published: 01 February 2023
Italian Journal of Geosciences (2023) 142 (1): 83–101.
Includes: Supplemental Content
Journal Article
The Paleo-Mesoarchaean Gondpipri Mafic-Ultramafic Intrusions, Western Bastar Archaean Craton, Central India: Insights from Bulk-Rock Geochemistry and Sm-Nd and S Isotope Studies on the Formation of Ni-Cu-PGE Mineralization
M. L. Dora, Tushar Meshram, Srinivas R. Baswani, Vivek P. Malviya, Satya Narayana Mahapatro, Jitendra K. Dash, Rajkumar R. Meshram, Sanjeet K. Verma, Sanjay H. Wankhade, Manoranjan Mohanty, Pitamber Pati, Kirtikumar Randive
Journal: Economic Geology
Publisher: Society of Economic Geologists
Published: 01 December 2022
Economic Geology (2022) 117 (8): 1845–1866.
Includes: Supplemental Content
Journal Article
Genesis of Sublayer, Footwall Breccia, and Associated Ni-Cu-Platinum Group Element Mineralization in the Sudbury Igneous Complex
Journal: Economic Geology
Publisher: Society of Economic Geologists
Published: 01 December 2022
Economic Geology (2022) 117 (8): 1791–1807.
Includes: Supplemental Content
Journal Article
Xenoliths of High-Alumina Pyroxenites in the Basalts of the Sigurd Volcano, Spitsbergen Island (Svalbard Archipelago), as Indicators of the Paleozoic Geodynamics of the Regional Lithosphere
L.P. Nikitina, Yu.B. Marin, M.Yu. Koreshkova, S.A. Sergeev, B.V. Belyatsky, R.Sh. Krymsky, E.S. Bogomolov, M.S. Babushkina, A. Tokusheva
Journal: Russian Geology and Geophysics
Publisher: Novosibirsk State University
Published: 01 October 2022
Russ. Geol. Geophys. (2022) 63 (10): 1093–1110.
Journal Article
Geochronology of Diamonds
Karen V. Smit, Suzette Timmerman, Sonja Aulbach, Steven B. Shirey, Stephen H. Richardson, David Phillips, D. Graham Pearson
Publisher: Mineralogical Society of America
Published: 01 July 2022
Reviews in Mineralogy and Geochemistry (2022) 88 (1): 567–636.
Journal Article
Timescales and rates of intrusive and metamorphic processes determined from zircon and garnet in migmatitic granulite, Fiordland, New Zealand
Journal: American Mineralogist
Publisher: Mineralogical Society of America
Published: 01 June 2022
American Mineralogist (2022) 107 (6): 1116–1132.
Journal Article
Amphibolite facies metamorphism in lower Witwatersrand Supergroup rocks exposed in the Vredefort Dome – a Ventersdorp LIP connection
Journal: South African Journal of Geology
Publisher: Geological Society of South Africa
Published: 01 June 2022
South African Journal of Geology (2022) 125 (2): 191–210.
Journal Article
U-Pb and Sm-Nd Evidence for Episodic Orogenic Gold Mineralization in the Kalgoorlie Gold Camp, Yilgarn Craton, Western Australia
Jordan A. McDivitt, Steffen G. Hagemann, Anthony I.S. Kemp, Nicolas Thébaud, Christopher M. Fisher, Kai Rankenburg
Journal: Economic Geology
Publisher: Society of Economic Geologists
Published: 01 June 2022
Economic Geology (2022) 117 (4): 747–775.
Includes: Supplemental Content
1
GeoRef Thesaurus
Sm/Nd
Scope Notes: Isotopic ratio used in age determination. Added to Thesaurus in 1985.
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Nd/Sm
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