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GeoRef Subject
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all geography including DSDP/ODP Sites and Legs
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Africa
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Central Africa
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Angola (1)
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Congo (1)
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Congo Democratic Republic
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Shaba Congo Democratic Republic (1)
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Congo Craton (2)
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East Africa
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North Africa
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Western Sahara (1)
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Southern Africa
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Barberton greenstone belt (12)
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Orange River (1)
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South Africa
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Gauteng South Africa
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KwaZulu-Natal South Africa
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Durban South Africa (1)
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Limpopo South Africa (1)
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Merensky Reef (11)
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Mpumalanga South Africa
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Barberton South Africa (3)
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Murchison greenstone belt (1)
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Northern Cape Province South Africa
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Transvaal region (3)
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Langebaanweg South Africa (1)
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Witwatersrand (9)
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Swaziland (8)
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Zimbabwe
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West Africa
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Yakutia Russian Federation
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Atlantic Ocean
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South Atlantic
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Atlantic Ocean Islands
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Atlantic region (1)
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Australasia
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Australia
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South Australia
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Eyre Peninsula (1)
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Flinders Ranges (4)
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Surat Basin (2)
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Tasmania Australia (3)
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Victoria Australia
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Gippsland Basin (1)
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Western Australia
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Pilbara Craton (6)
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New Zealand
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Papua New Guinea
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Meguma Terrane (4)
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oxygen
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dissolved oxygen (1)
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O-18 (1)
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O-18/O-16 (35)
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selenium (7)
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S-34/S-32 (14)
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Bacillus (1)
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Chordata
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Pisces
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Osteichthyes
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Tetrapoda
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Aves (4)
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Mammalia
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Multituberculata (2)
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Theria
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Artiodactyla
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Bison
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Cervidae
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Cervus
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Rangifer (1)
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Carnivora
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Fissipeda
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Mustelidae (1)
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Cetacea (3)
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Perissodactyla
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Primates
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Hominidae
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Australopithecinae
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Homo
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Proboscidea
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Elephantidae
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Elephas (1)
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Mastodontoidea
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Mammut (1)
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Rodentia (1)
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Metatheria
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Reptilia
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Diapsida
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Archosauria
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Saurischia
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Theropoda
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Carnosauria
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Allosaurus (1)
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-
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Lepidosauria
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Squamata (1)
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Synapsida
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Therapsida
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Dicynodontia
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coprolites (2)
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Graptolithina
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Invertebrata
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Mandibulata
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Insecta
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Pterygota
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Hymenoptera (1)
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-
-
-
-
-
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Brachiopoda (5)
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Cnidaria
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Anthozoa
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Scleractinia (1)
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-
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Scyphozoa
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Conulariida (1)
-
-
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Echinodermata
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Crinozoa
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Crinoidea (7)
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Echinozoa
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Cyclocystoidea (1)
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Echinoidea (1)
-
-
-
Mollusca
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Bivalvia
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Pterioida
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Pteriina
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Inocerami
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Inoceramidae
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Inoceramus (1)
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-
-
Pectinacea
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Pectinidae (1)
-
-
-
-
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Cephalopoda
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Ammonoidea
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Ammonites (1)
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Nautiloidea (2)
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Gastropoda
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Naticidae (1)
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Turritellidae (1)
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-
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Porifera
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Stromatoporoidea (1)
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Protista
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Foraminifera
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Rotaliina
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Globigerinacea
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Globotruncanidae
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Globotruncana (1)
-
-
-
-
Textulariina
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Lituolacea
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Trochammina (1)
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-
-
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Radiolaria (3)
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-
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microfossils
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Conodonta
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Hindeodus (1)
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palynomorphs
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Dinoflagellata (1)
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pollen (7)
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-
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Plantae
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algae
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Rhodophyta
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Corallinaceae
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Lithophyllum (1)
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Lithothamnium (1)
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-
-
-
Pteridophyta
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Lycopsida
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Stigmaria (1)
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Sphenopsida (1)
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Spermatophyta
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Angiospermae
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Quercus (1)
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Gymnospermae
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Coniferae (1)
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Coniferales (3)
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Cordaitales (1)
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problematic fossils (4)
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tracks (6)
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geochronology methods
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(U-Th)/He (3)
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Ar/Ar (37)
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exposure age (4)
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fission-track dating (4)
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infrared stimulated luminescence (2)
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K/Ar (6)
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Lu/Hf (6)
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Pb/Pb (6)
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Quaternary
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Neolithic (1)
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middle Quaternary (1)
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Pleistocene
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Champlain Sea (2)
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Lake Agassiz (2)
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Lake Missoula (1)
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lower Pleistocene (1)
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upper Pleistocene
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Lake Iroquois (2)
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Weichselian
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upper Weichselian
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Younger Dryas (1)
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Wisconsinan
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upper Wisconsinan (5)
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-
-
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upper Quaternary (7)
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Stone Age
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Neolithic (1)
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Paleolithic (2)
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Tertiary
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Cypress Hills Formation (1)
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middle Tertiary (1)
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Neogene
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Miocene
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Columbia River Basalt Group (5)
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Crater Flat Tuff (1)
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middle Miocene (5)
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Paintbrush Tuff (1)
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Peach Springs Tuff (1)
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Picture Gorge Basalt (1)
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Tiva Canyon Member (1)
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Topopah Spring Member (1)
-
upper Miocene
-
Puente Formation (1)
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Tortonian (1)
-
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Vallesian (1)
-
-
Pliocene
-
lower Pliocene (1)
-
Yorktown Formation (1)
-
-
upper Neogene (1)
-
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Paleogene
-
Chadron Formation (1)
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Eocene
-
Annot Sandstone (1)
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Chuckanut Formation (1)
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Green River Formation (1)
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lower Eocene (1)
-
middle Eocene
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Bartonian (1)
-
-
Ootsa Lake Group (2)
-
upper Eocene
-
Tejon Formation (1)
-
-
-
Huber Formation (1)
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Oligocene
-
Fontainebleau Sandstone (3)
-
Frio Formation (1)
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lower Oligocene (2)
-
-
Paleocene
-
Lebo Member (1)
-
lower Paleocene
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K-T boundary (4)
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Puercan (3)
-
Torrejonian (1)
-
-
middle Paleocene (1)
-
Nacimiento Formation (2)
-
Ravenscrag Formation (1)
-
Tongue River Member (1)
-
upper Paleocene
-
Tiffanian (1)
-
-
-
Sespe Formation (1)
-
Wasatch Formation (1)
-
-
Shahejie Formation (1)
-
upper Tertiary
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Poznan Clays (1)
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Zambales Ophiolite (1)
-
-
upper Cenozoic (1)
-
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Coal Measures (5)
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Lake Bonneville (2)
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Laurentide ice sheet (4)
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Mesozoic
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Condrey Mountain Schist (1)
-
Cretaceous
-
Lower Cretaceous
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Agrio Formation (1)
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Albian (5)
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Aptian (2)
-
Cadomin Formation (1)
-
Crato Formation (2)
-
Gething Formation (2)
-
Hauterivian (2)
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Mannville Group (2)
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McMurray Formation (1)
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Moosebar Formation (2)
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Mowry Shale (1)
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Speeton Clay (1)
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Spirit River Formation (2)
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Valanginian (1)
-
Yingcheng Formation (1)
-
-
Mancos Shale (2)
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Middle Cretaceous (4)
-
Upper Cretaceous
-
Almond Formation (1)
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Belle Fourche Shale (2)
-
Belly River Formation (3)
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Campanian
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upper Campanian (2)
-
-
Cardium Formation (4)
-
Carlile Shale (2)
-
Castlegate Sandstone (1)
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Cenomanian (2)
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Codell Sandstone Member (1)
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Coniacian (5)
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Djadokhta Formation (2)
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Eagle Sandstone (1)
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Elkhorn Mountains Volcanics (1)
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Ferron Sandstone Member (1)
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Frontier Formation (5)
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Greenhorn Limestone (1)
-
Gulfian
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Austin Chalk (1)
-
Eagle Ford Formation (1)
-
-
Hell Creek Formation (1)
-
Judith River Formation (1)
-
K-T boundary (4)
-
Laramie Formation (1)
-
Lewis Shale (2)
-
Maestrichtian
-
upper Maestrichtian (1)
-
-
Maevarano Formation (1)
-
Mesaverde Group (5)
-
Milk River Formation (1)
-
Niobrara Formation (3)
-
Ojo Alamo Sandstone (2)
-
Oldman Formation (2)
-
Pierre Shale (3)
-
Santonian (3)
-
Senonian (11)
-
Sharon Springs Member (1)
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Straight Cliffs Formation (2)
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Turonian (2)
-
Two Medicine Formation (1)
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Williams Fork Formation (7)
-
-
-
Franciscan Complex (10)
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Glen Canyon Group (2)
-
Great Valley Sequence (3)
-
Jurassic
-
Birkhead Formation (1)
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Carmel Formation (1)
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Clarens Formation (1)
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Coast Range Ophiolite (2)
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Ferrar Group (1)
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Lower Jurassic (4)
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Middle Jurassic
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Bajocian (1)
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Bathonian (2)
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Walloon Coal Measures (1)
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Oxford Clay (1)
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San Rafael Group (2)
-
Upper Jurassic
-
Bowser Lake Group (1)
-
Entrada Sandstone (1)
-
Galice Formation (1)
-
Hanifa Formation (1)
-
Josephine Ophiolite (1)
-
Morrison Formation (3)
-
Oxfordian (3)
-
Smackover Formation (1)
-
Sundance Formation (2)
-
Swift Formation (1)
-
Tithonian (1)
-
-
-
Kayenta Formation (2)
-
Navajo Sandstone (3)
-
Triassic
-
Charlie Lake Formation (4)
-
Hawkesbury Sandstone (1)
-
Liard Formation (1)
-
Lower Triassic
-
Bunter (2)
-
Permian-Triassic boundary (1)
-
-
Middle Triassic
-
Doig Formation (4)
-
-
Moenkopi Formation (1)
-
Montney Formation (4)
-
Narrabeen Group (1)
-
Upper Triassic
-
Baldonnel Formation (3)
-
Chinle Formation (1)
-
Molteno Formation (1)
-
Pardonet Formation (4)
-
Yanchang Formation (2)
-
-
-
Vaca Muerta Formation (1)
-
Wingate Sandstone (1)
-
-
MIS 2 (2)
-
MIS 3 (2)
-
MIS 5 (1)
-
MIS 6 (1)
-
Paleozoic
-
Berea Sandstone (1)
-
Cambrian
-
Conasauga Group (1)
-
Lower Cambrian
-
Tommotian (1)
-
Zabriskie Quartzite (1)
-
-
Middle Cambrian
-
Burgess Shale (1)
-
-
Upper Cambrian
-
Goldenville Formation (2)
-
Potsdam Sandstone (1)
-
-
-
Carboniferous
-
Albert Formation (1)
-
Lower Carboniferous
-
Dinantian (3)
-
-
Mabou Group (1)
-
Mississippian
-
Barnett Shale (1)
-
Lower Mississippian
-
Fort Payne Formation (1)
-
Kinderhookian
-
Banff Formation (2)
-
-
Lodgepole Formation (4)
-
Osagian
-
Burlington Limestone (1)
-
Keokuk Limestone (1)
-
-
Pocono Formation (1)
-
Tournaisian
-
upper Tournaisian (1)
-
-
-
Madison Group (4)
-
Middle Mississippian
-
Visean (2)
-
-
Mission Canyon Limestone (1)
-
Upper Mississippian
-
Meramecian
-
Salem Limestone (1)
-
-
-
Windsor Group (2)
-
-
Namurian (1)
-
Pennsylvanian
-
Conemaugh Group (2)
-
Cumberland Group (1)
-
Lower Pennsylvanian (1)
-
Middle Pennsylvanian
-
Allegheny Group (2)
-
Atokan (1)
-
Carbondale Formation (1)
-
Desmoinesian (1)
-
-
Monongahela Group (2)
-
Upper Pennsylvanian
-
Holder Formation (1)
-
Kasimovian (1)
-
Virgilian (1)
-
-
-
Upper Carboniferous
-
Millstone Grit (1)
-
Westphalian (2)
-
-
-
Cow Head Group (1)
-
Deadwood Formation (1)
-
Devonian
-
Guilmette Formation (1)
-
Heemskirk Granite (1)
-
Levis Shale (1)
-
Lower Devonian
-
Emsian (1)
-
Shap Granite (1)
-
-
Middle Devonian
-
Dundee Limestone (1)
-
Eifelian (4)
-
Givetian (3)
-
Marcellus Shale (5)
-
Sylvania Formation (1)
-
Winnipegosis Formation (1)
-
-
Old Red Sandstone (1)
-
Popovich Formation (1)
-
Slave Point Formation (1)
-
Upper Devonian
-
Famennian
-
upper Famennian (1)
-
Wabamun Group (2)
-
-
Frasnian
-
Leduc Formation (3)
-
-
Grosmont Formation (1)
-
Huron Member (1)
-
Ohio Shale (1)
-
-
Upper Old Red Sandstone (1)
-
-
Dunkard Group (2)
-
Ellis Bay Formation (1)
-
Exshaw Formation (4)
-
Horton Group (1)
-
Knox Group (2)
-
lower Paleozoic
-
Ashe Formation (1)
-
Penobscot Formation (1)
-
-
Maroon Formation (1)
-
middle Paleozoic (3)
-
Minnelusa Formation (1)
-
New Albany Shale (3)
-
Ordovician
-
Ely Springs Dolomite (1)
-
Eureka Quartzite (2)
-
Lower Ordovician
-
Ellenburger Group (1)
-
Manitou Formation (1)
-
Saint George Group (1)
-
Tremadocian
-
Halifax Formation (2)
-
-
-
Middle Ordovician
-
Black River Group (2)
-
Dapingian (1)
-
Darriwilian (4)
-
Platteville Formation (1)
-
Saint Peter Sandstone (2)
-
Winnipeg Formation (1)
-
-
Montoya Group (1)
-
Skiddaw Slates (1)
-
Upper Ordovician
-
Ashgillian (1)
-
Caradocian
-
Borrowdale Volcanic Group (1)
-
-
Cincinnatian
-
Richmondian (1)
-
-
Hirnantian (1)
-
Mohawkian (1)
-
Red River Formation (2)
-
Sandbian (1)
-
Trentonian (1)
-
Yeoman Formation (1)
-
-
Vinini Formation (1)
-
-
Permian
-
Ecca Group (1)
-
Guadalupian (1)
-
Kaibab Formation (1)
-
Lower Permian
-
Cisuralian
-
Artinskian (1)
-
Asselian (1)
-
Kungurian (2)
-
Sakmarian (2)
-
-
Leonardian
-
Clear Fork Group (2)
-
-
-
Lyons Sandstone (1)
-
Newcastle Coal Measures (1)
-
Rotliegendes (3)
-
Upper Permian
-
Lopingian
-
Changhsingian (1)
-
-
Permian-Triassic boundary (1)
-
Rangal Coal Measures (1)
-
Zechstein (3)
-
-
Vryheid Formation (1)
-
-
Sauk Sequence (1)
-
Silurian
-
Lower Silurian
-
Llandovery (2)
-
-
Middle Silurian (1)
-
-
Talchir Formation (1)
-
upper Paleozoic
-
Antrim Shale (2)
-
Bakken Formation (8)
-
Kaskaskia Sequence (1)
-
Tirrawarra Sandstone (1)
-
-
Weber Sandstone (1)
-
-
Phanerozoic (10)
-
Precambrian
-
Archean
-
Blake River Group (8)
-
Bulawayan Group (3)
-
Eoarchean (1)
-
Fig Tree Group (2)
-
Kalgoorlie System (1)
-
Mesoarchean (15)
-
Neoarchean
-
Sargur Group (2)
-
-
Paleoarchean (6)
-
Swaziland Supergroup (1)
-
Warrawoona Group (2)
-
-
Central Rand Group (4)
-
Fortescue Group (1)
-
Hadean (2)
-
Hamersley Group (1)
-
Johnnie Formation (1)
-
Kisseynew Complex (3)
-
Laramie anorthosite complex (1)
-
Onverwacht Group (2)
-
Pongola Supergroup (6)
-
Prichard Formation (1)
-
Purcell System (1)
-
Stillwater Complex (2)
-
Stirling Quartzite (1)
-
Transvaal Supergroup (8)
-
upper Precambrian
-
Proterozoic
-
Algonkian
-
Baraboo Quartzite (1)
-
-
Malmani Subgroup (1)
-
Mesoproterozoic
-
Belt Supergroup (6)
-
Gawler Range Volcanics (1)
-
Hiltaba Suite (1)
-
-
Neoproterozoic
-
Burra Group (2)
-
Cryogenian (2)
-
Dengying Formation (1)
-
Doushantuo Formation (1)
-
Ediacaran (11)
-
Marinoan (2)
-
Sturtian (1)
-
Torridonian (1)
-
Vendian (2)
-
-
Paleoproterozoic
-
Baker Lake Group (1)
-
Rooiberg Group (2)
-
Rustenburg Layered Suite (4)
-
Willyama Supergroup (2)
-
-
Sinian
-
Dengying Formation (1)
-
Doushantuo Formation (1)
-
-
Tapley Hill Formation (1)
-
Windermere System (1)
-
-
-
Vadito Group (1)
-
Ventersdorp Supergroup (5)
-
Waterberg System (2)
-
Witwatersrand Supergroup (8)
-
-
Rhenohercynian (1)
-
Vindhyan (1)
-
-
igneous rocks
-
igneous rocks
-
carbonatites (7)
-
feldspathoid rocks (1)
-
granophyre (3)
-
hypabyssal rocks (1)
-
kimberlite (18)
-
picrite (1)
-
plutonic rocks
-
anorthosite (9)
-
diabase (10)
-
diorites
-
ferrodiorite (1)
-
plagiogranite (1)
-
quartz diorites (2)
-
tonalite (9)
-
trondhjemite (7)
-
-
gabbros
-
microgabbro (1)
-
norite (6)
-
troctolite (4)
-
-
granites
-
adamellite (1)
-
aplite (1)
-
A-type granites (1)
-
charnockite (2)
-
felsite (1)
-
granite porphyry (2)
-
I-type granites (4)
-
leucogranite (2)
-
microgranite (1)
-
monzogranite (3)
-
rapakivi (1)
-
S-type granites (3)
-
-
granodiorites (7)
-
lamproite (2)
-
lamprophyres (4)
-
monzodiorite (1)
-
monzonites
-
mangerite (1)
-
-
pegmatite (7)
-
syenites
-
shonkinite (2)
-
-
ultramafics
-
chromitite (12)
-
peridotites
-
dunite (3)
-
harzburgite (1)
-
lherzolite (4)
-
spinel lherzolite (1)
-
-
pyroxenite
-
garnet pyroxenite (1)
-
orthopyroxenite (3)
-
websterite (1)
-
-
-
-
porphyry (3)
-
volcanic rocks
-
adakites (3)
-
andesites
-
boninite (3)
-
-
basalts
-
alkali basalts
-
trachybasalts (1)
-
-
flood basalts (6)
-
mid-ocean ridge basalts (5)
-
ocean-island basalts (3)
-
shoshonite (1)
-
-
dacites (4)
-
glasses
-
obsidian (1)
-
-
komatiite (20)
-
pyroclastics
-
ash-flow tuff (3)
-
hyaloclastite (1)
-
ignimbrite (5)
-
pumice (7)
-
rhyolite tuff (3)
-
scoria (1)
-
tuff (11)
-
welded tuff (3)
-
-
rhyodacites (2)
-
rhyolites (17)
-
trachyandesites (4)
-
trachytes (1)
-
-
-
ophiolite (10)
-
volcanic ash (2)
-
wehrlite (1)
-
-
metamorphic rocks
-
metamorphic rocks
-
amphibolites (8)
-
eclogite (5)
-
gneisses
-
augen gneiss (1)
-
biotite gneiss (1)
-
granite gneiss (1)
-
orthogneiss (6)
-
paragneiss (5)
-
-
granulites (3)
-
hornfels (1)
-
marbles (2)
-
metaigneous rocks
-
metabasalt (8)
-
metabasite (1)
-
metadiabase (1)
-
metagabbro (3)
-
metakomatiite (2)
-
metarhyolite (1)
-
serpentinite (7)
-
-
metaplutonic rocks (1)
-
metasedimentary rocks
-
metaconglomerate (1)
-
metagraywacke (1)
-
metapelite (2)
-
paragneiss (5)
-
-
metasomatic rocks
-
serpentinite (7)
-
skarn (3)
-
-
metavolcanic rocks (10)
-
migmatites (3)
-
mylonites
-
pseudotachylite (1)
-
-
phyllites (2)
-
quartzites (11)
-
schists
-
biotite schist (1)
-
blueschist (1)
-
greenstone (13)
-
-
slates (2)
-
-
ophiolite (10)
-
turbidite (8)
-
-
meteorites
-
meteorites
-
stony meteorites
-
achondrites
-
angrite (1)
-
lunar meteorites (1)
-
-
chondrites
-
carbonaceous chondrites
-
CM chondrites (1)
-
-
-
-
-
-
minerals
-
alloys
-
kamacite (1)
-
phosphides (1)
-
taenite (1)
-
-
amosite (1)
-
antimonates (1)
-
arsenates
-
beudantite (1)
-
mimetite (1)
-
-
arsenides
-
arsenopyrite (5)
-
sperrylite (1)
-
-
arsenites (1)
-
borates
-
boracite (1)
-
kernite (1)
-
-
carbonates
-
aragonite (1)
-
azurite (1)
-
calcite (17)
-
cerussite (1)
-
dawsonite (2)
-
dolomite (7)
-
huntite (1)
-
hydromagnesite (1)
-
hydrotalcite (1)
-
ikaite (1)
-
magnesite (1)
-
malachite (2)
-
siderite (6)
-
-
copper minerals (3)
-
halides
-
bromides (1)
-
chlorides
-
atacamite (1)
-
boracite (1)
-
halite (2)
-
mimetite (1)
-
pyromorphite (3)
-
vanadinite (1)
-
-
fluorides
-
clinohumite (1)
-
fluorite (1)
-
-
-
hydrates (3)
-
iron minerals (2)
-
minerals (7)
-
molybdates (1)
-
native elements
-
diamond (8)
-
graphite (3)
-
-
nitrates (1)
-
organic minerals
-
amber (1)
-
-
oxalates (1)
-
oxides
-
akaganeite (1)
-
aluminum oxides (2)
-
anatase (1)
-
baddeleyite (1)
-
bayerite (1)
-
birnessite (3)
-
boehmite (2)
-
brannerite (1)
-
brucite (2)
-
buserite (1)
-
chrome spinel (4)
-
chromite (7)
-
cryptomelane (3)
-
cuprite (1)
-
ferrihydrite (3)
-
gibbsite (1)
-
goethite (14)
-
hematite (14)
-
hercynite (2)
-
hollandite (2)
-
hydroxides
-
aluminum hydroxides (3)
-
iron hydroxides (2)
-
oxyhydroxides (3)
-
schoepite (1)
-
-
ilmenite (6)
-
iron oxides (12)
-
lepidocrocite (1)
-
limonite (1)
-
magnetite (21)
-
manganese oxides (3)
-
manganite (1)
-
niobates
-
pyrochlore (3)
-
-
nsutite (1)
-
periclase (1)
-
perovskite (1)
-
pyrolusite (1)
-
rancieite (1)
-
rutile (1)
-
senarmontite (2)
-
spinel (5)
-
spinel group (2)
-
todorokite (1)
-
ulvospinel (2)
-
uraninite (8)
-
valentinite (1)
-
wustite (1)
-
-
phosphates
-
apatite (20)
-
autunite (1)
-
chlorapatite (1)
-
crandallite (1)
-
fluorapatite (4)
-
monazite (14)
-
pyromorphite (3)
-
rockbridgeite (1)
-
vivianite (1)
-
wavellite (1)
-
xenotime (4)
-
-
platinum minerals (4)
-
silicates
-
aluminosilicates (1)
-
asbestos (3)
-
borosilicates (1)
-
chain silicates
-
amphibole group
-
clinoamphibole
-
actinolite (1)
-
crocidolite (1)
-
hornblende (5)
-
tremolite (1)
-
-
-
jade (1)
-
pyroxene group
-
clinopyroxene
-
chrome diopside (1)
-
diopside (4)
-
omphacite (1)
-
pigeonite (1)
-
-
orthopyroxene (8)
-
-
wollastonite group
-
wollastonite (2)
-
-
-
framework silicates
-
feldspar group
-
alkali feldspar
-
hyalophane (1)
-
K-feldspar (2)
-
sanidine (3)
-
-
barium feldspar
-
hyalophane (1)
-
-
plagioclase
-
albite (1)
-
oligoclase (2)
-
-
-
nepheline group
-
nepheline (1)
-
-
silica minerals
-
chalcedony (1)
-
opal
-
opal-A (1)
-
opal-CT (1)
-
-
quartz (14)
-
-
zeolite group
-
analcime (2)
-
chabazite (2)
-
clinoptilolite (3)
-
erionite (2)
-
ferrierite (1)
-
gmelinite (1)
-
heulandite (2)
-
laumontite (2)
-
mesolite (1)
-
mordenite (2)
-
natrolite (1)
-
phillipsite (1)
-
-
-
orthosilicates
-
nesosilicates
-
braunite (2)
-
clinohumite (1)
-
euclase (1)
-
garnet group
-
grossular (1)
-
hydrogarnet
-
hibschite (1)
-
-
pyrope (4)
-
-
olivine group
-
forsterite (1)
-
olivine (15)
-
-
titanite group
-
titanite (8)
-
-
zircon group
-
coffinite (2)
-
zircon (75)
-
-
-
sorosilicates
-
chevkinite group
-
chevkinite (1)
-
-
epidote group
-
allanite (3)
-
epidote (2)
-
zoisite (1)
-
-
lawsonite (1)
-
melilite group
-
gehlenite (1)
-
-
-
-
ring silicates
-
emerald (1)
-
-
sheet silicates
-
chlorite group
-
chlorite (4)
-
-
clay minerals
-
beidellite (1)
-
halloysite (1)
-
kaolinite (12)
-
montmorillonite (2)
-
nontronite (2)
-
smectite (6)
-
vermiculite (1)
-
-
illite (7)
-
mica group
-
biotite (2)
-
muscovite (4)
-
phengite (1)
-
phlogopite (4)
-
-
serpentine group
-
antigorite (1)
-
chrysotile (1)
-
cronstedtite (1)
-
serpentine (4)
-
-
stilpnomelane (1)
-
talc (2)
-
-
-
sulfates
-
alum (1)
-
alunite (3)
-
anglesite (1)
-
anhydrite (2)
-
barite (2)
-
beudantite (1)
-
celestine (1)
-
gypsum (2)
-
jarosite (1)
-
pickeringite (1)
-
schwertmannite (1)
-
-
sulfides
-
arsenopyrite (5)
-
chalcopyrite (4)
-
copper sulfides (2)
-
covellite (1)
-
galena (3)
-
greigite (1)
-
iron sulfides (1)
-
mackinawite (1)
-
molybdenite (4)
-
nickel sulfides (3)
-
pentlandite (2)
-
pyrite (13)
-
pyrrhotite (3)
-
realgar (2)
-
sphalerite (4)
-
stibnite (2)
-
troilite (2)
-
-
sulfosalts
-
sulfantimonites
-
boulangerite (1)
-
bournonite (1)
-
tetrahedrite (3)
-
-
sulfarsenites
-
tennantite (3)
-
-
-
tellurides
-
calaverite (2)
-
sylvanite (1)
-
-
tungstates
-
scheelite (3)
-
wolframite (1)
-
-
uranium minerals (3)
-
vanadates
-
vanadinite (1)
-
-
wehrlite (1)
-
-
Primary terms
-
absolute age (152)
-
academic institutions (1)
-
Africa
-
Central Africa
-
Angola (1)
-
Congo (1)
-
Congo Democratic Republic
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Shaba Congo Democratic Republic (1)
-
-
-
Congo Craton (2)
-
East Africa
-
Ethiopia (2)
-
Mozambique (2)
-
Tanzania (1)
-
-
East African Rift (1)
-
Limpopo Basin (2)
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Madagascar
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-
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North Africa
-
Algeria (2)
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Atlas Mountains
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Moroccan Atlas Mountains
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Anti-Atlas (2)
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High Atlas (2)
-
-
-
Egypt
-
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-
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Morocco
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North America
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Oceania
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oil and gas fields (42)
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Southeast Pacific
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North Pacific
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Northwest Pacific
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South Pacific
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West Pacific
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Paleozoic
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Berea Sandstone (1)
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Cambrian
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Lower Cambrian
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Zabriskie Quartzite (1)
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Middle Cambrian
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Burgess Shale (1)
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Upper Cambrian
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Goldenville Formation (2)
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Potsdam Sandstone (1)
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Carboniferous
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Albert Formation (1)
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Lower Carboniferous
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Dinantian (3)
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Mabou Group (1)
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Mississippian
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Barnett Shale (1)
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Lower Mississippian
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Fort Payne Formation (1)
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Kinderhookian
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Banff Formation (2)
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Lodgepole Formation (4)
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Osagian
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Burlington Limestone (1)
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Pocono Formation (1)
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Tournaisian
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upper Tournaisian (1)
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Madison Group (4)
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Middle Mississippian
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Visean (2)
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Mission Canyon Limestone (1)
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Upper Mississippian
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Meramecian
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Salem Limestone (1)
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Windsor Group (2)
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Namurian (1)
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Pennsylvanian
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Conemaugh Group (2)
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Lower Pennsylvanian (1)
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Middle Pennsylvanian
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Allegheny Group (2)
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Atokan (1)
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Carbondale Formation (1)
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Desmoinesian (1)
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Monongahela Group (2)
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Upper Pennsylvanian
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Holder Formation (1)
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Kasimovian (1)
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Virgilian (1)
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Upper Carboniferous
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Millstone Grit (1)
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Westphalian (2)
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Cow Head Group (1)
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Deadwood Formation (1)
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Devonian
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Guilmette Formation (1)
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Heemskirk Granite (1)
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Levis Shale (1)
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Lower Devonian
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Middle Devonian
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Dundee Limestone (1)
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Eifelian (4)
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Givetian (3)
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Marcellus Shale (5)
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Sylvania Formation (1)
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Winnipegosis Formation (1)
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Old Red Sandstone (1)
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Popovich Formation (1)
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Slave Point Formation (1)
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Upper Devonian
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Famennian
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upper Famennian (1)
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Wabamun Group (2)
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Frasnian
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Leduc Formation (3)
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Grosmont Formation (1)
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Huron Member (1)
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Ohio Shale (1)
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Upper Old Red Sandstone (1)
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Dunkard Group (2)
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Ellis Bay Formation (1)
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Exshaw Formation (4)
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Horton Group (1)
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Knox Group (2)
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lower Paleozoic
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Ashe Formation (1)
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Penobscot Formation (1)
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Maroon Formation (1)
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middle Paleozoic (3)
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Minnelusa Formation (1)
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New Albany Shale (3)
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Ordovician
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Ely Springs Dolomite (1)
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Lower Ordovician
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Ellenburger Group (1)
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Manitou Formation (1)
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Tremadocian
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Halifax Formation (2)
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Middle Ordovician
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Black River Group (2)
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Dapingian (1)
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Darriwilian (4)
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Platteville Formation (1)
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Saint Peter Sandstone (2)
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Winnipeg Formation (1)
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Montoya Group (1)
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Skiddaw Slates (1)
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Upper Ordovician
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Ashgillian (1)
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Caradocian
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Borrowdale Volcanic Group (1)
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Cincinnatian
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Richmondian (1)
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Hirnantian (1)
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Red River Formation (2)
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Sandbian (1)
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Yeoman Formation (1)
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Vinini Formation (1)
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Permian
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Ecca Group (1)
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Kaibab Formation (1)
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Lower Permian
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Sakmarian (2)
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Leonardian
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Clear Fork Group (2)
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Lyons Sandstone (1)
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Rotliegendes (3)
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Upper Permian
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Lopingian
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Changhsingian (1)
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Permian-Triassic boundary (1)
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Rangal Coal Measures (1)
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Zechstein (3)
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Vryheid Formation (1)
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Sauk Sequence (1)
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Silurian
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Lower Silurian
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Llandovery (2)
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Middle Silurian (1)
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Talchir Formation (1)
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upper Paleozoic
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Antrim Shale (2)
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Bakken Formation (8)
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Kaskaskia Sequence (1)
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Tirrawarra Sandstone (1)
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Weber Sandstone (1)
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palynology (1)
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paragenesis (22)
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Plantae
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Pteridophyta
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plate tectonics (84)
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Precambrian
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Sargur Group (2)
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Paleoarchean (6)
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Swaziland Supergroup (1)
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Warrawoona Group (2)
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Central Rand Group (4)
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Johnnie Formation (1)
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Kisseynew Complex (3)
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Laramie anorthosite complex (1)
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Onverwacht Group (2)
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Pongola Supergroup (6)
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Prichard Formation (1)
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Stirling Quartzite (1)
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Transvaal Supergroup (8)
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upper Precambrian
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Proterozoic
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Algonkian
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Baraboo Quartzite (1)
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Malmani Subgroup (1)
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Mesoproterozoic
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Belt Supergroup (6)
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Neoproterozoic
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Burra Group (2)
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Cryogenian (2)
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Dengying Formation (1)
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Doushantuo Formation (1)
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Ediacaran (11)
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Marinoan (2)
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Sturtian (1)
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Torridonian (1)
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Paleoproterozoic
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Baker Lake Group (1)
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Rooiberg Group (2)
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Rustenburg Layered Suite (4)
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Willyama Supergroup (2)
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Sinian
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Dengying Formation (1)
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Doushantuo Formation (1)
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Tapley Hill Formation (1)
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Windermere System (1)
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Vadito Group (1)
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Ventersdorp Supergroup (5)
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Waterberg System (2)
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problematic fossils (4)
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chemically precipitated rocks
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ironstone (1)
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clastic rocks
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arenite
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argillite (1)
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black shale (10)
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conglomerate
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eolianite (3)
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mudstone (26)
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coal
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sedimentary structures
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bedding plane irregularities
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biogenic structures
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algal structures
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soft sediment deformation
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turbidity current structures (1)
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sedimentation (70)
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sediments
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sand (15)
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marine sediments (5)
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seismology (20)
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slope stability (14)
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South America
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Chile
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Southern Ocean
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spectroscopy (13)
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sulfur
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S-33 (1)
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S-34/S-32 (14)
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symposia (3)
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United States
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GeoRef Categories
Era and Period
Epoch and Age
Book Series
Date
Availability
Hunter Mine
Déformation coaxiale en bordure de la discontinuité structurale de Lyndhurst, sous-province de l'Abitibi
Geochemistry of volcanic rocks associated with Cu-Zn and Ni-Cu deposits in the Abitibi Subprovince
Rhyolite Geochemical Signatures and Association with Volcanogenic Massive Sulfide Deposits: Examples from the Abitibi Belt, Canada
U–Pb zircon geochronology in the southwestern Abitibi greenstone belt, Superior Province
Geological setting of the Abitibi greenstone belt and stratigraphic column ...
Location of the Coeur d’Alene district and the map area inset. The map show...
Simplified geologic map, showing sample and VMS deposit locations. A. Joute...
Structural Constraints and Localization of Gold Mineralization in Leather Jacket Lodes, Ballarat, Victoria, Australia
A , Generalized geological map of the Abitibi subprovince indicating the di...
Geometallurgy of the Pebble Porphyry Copper-Gold-Molybdenum Deposit, Alaska: Implications for Gold Distribution and Paragenesis
Eclogitic and Ultrahigh-Pressure Crustal Garnets and Their Relationship to Phanerozoic Subduction Diamonds, Bingara Area, New England Fold Belt, Eastern Australia
Regional geological map of the central Abitibi belt modified from Lacroix e...
The Nickeliferous Late Archean Reliance Komatiitic Event in the Zimbabwe Craton––Magmatic Architecture, Physical Volcanology, and Ore Genesis
Soil Loss Estimation based on RUSLE along the Central Hunter Valley Region, NSW, Australia
Wüstite in a hydrothermal silver-lead-zinc vein, Lucky Friday mine, Coeur d’Alene mining district, U.S.A.
The Gold Ridge Mine, Guadalcanal, Solomon Islands’ first gold mine: a case study in stakeholder consultation
Abstract The Pacific small island state of Solomon Islands gained independence from Britain in 1978. Solomon Islands has a population of around 400 000 mainly Melanesian people distributed across six moderately sized islands and hundreds of smaller islands. The traditional economy has been based on hunter-gatherer and small-scale farming activities, with the bulk of the population residing in self-sufficient rainforest and coastal villages. Melanesians have a particularly strong cultural attachment to land, which is considered to be within the custodianship of the community at large. Individual land ownership in the Western economic sense is largely unknown. Melanesian society and culture is strong and complex. Colonial and post-independence Solomon Islands has had to face the challenges of a transition from a traditional society to a partially urbanized society and a rapidly increasing population and changing economic drivers and dynamics. Mining and mineral development is one area of economic activity that holds the promise of generating hard currency quickly to develop the country, but that needs to be achieved in a sustainable manner. Gold Ridge is situated in Central Guadalcanal, some 22 km southeast of the country’s capital town, Honiara. Gold Ridge hosts around 1.4 million ounces of epithermal volcanic-hosted gold. Ross Mining NL began the construction of Solomon Islands’ first gold mine in 1997 and operated a highly successful gold mine between 1997 and 2000, when ethnic tensions (unrelated to the mine) closed the operations. This paper documents the painstaking negotiations and planning that took place from 1993 and particularly from 1995–1996 which paved the way forward for the development of a gold mine within a fragile tropical rainforest environment among traditional Melanesian people who had little prior knowledge of modern mining activities.
Origin of high - Ag fahlores from the Galena Mine, Wallace, Idaho, U.S.A.
Abstract There seems to be general consensus throughout much of the global mining industry that the supply of base and precious metals and some other commodities (e.g., ferrous metals, uranium) is reasonably well assured into the oreseeable future because increases in total resources continue to keep pace with or outstrip global consumption. The basic assumption is that market forces and technological advances will combine to promote and perpetuate this trend (e.g., Tilton, 2003; Crowson, 2008). Others disagree, however, andpredict that shortages are inevitable if metal consumption continues to escalate (Beaty, 2010). It is already becoming clear that many known resources seem unlikely to be mined, irrespective of commodity prices, because of their low grade and/or quality. Hence, many mineral resources that were uneconomic in the early 2000s are likely to remain so, both today and into the foreseeable future because of increases in both the direct (e.g., energy, labor) and indirect (e.g., environmental, social) production costs. This situation is being further exacerbated by the perceived decrease, over at least the past decade, in the discovery rate of base and precious metal resources measured in terms of both the number of major discoveries made and the exploration dollars spent per discovery (e.g., Dummett, 2000; Horn, 2002; Schodde, 2004). There is also a suggestion that the discoveries made are, on average, becoming both smaller and lower grade. Therefore, it seems reasonable to ask whether current exploration practices and success rates are going to be adequate to provide for the massive increases in metal consumption that world population growth, rising living standards, and rapid industrialization and urbanization in China, India, and other emerging markets appear to portend. For example, Rio Tinto's projections suggest that "by 2030 the additional supplyrequired will be equivalent to replicating the iron ore output of the Pilbara region of Australia every five years, adding another aluminium production complex the size of Canada's Saguenay every nine months, and developing another copper mine the size of Escondida in Chile each year. Future energrequirements are such that an entire Hunter Valley coal supply chain needs to be created each year plus a uranium mine the size of Ranger every four years" (Albanese, 2010, p. 7). Clearly, the exploration business has to become increasingly effective if it is to rise to the challenge of finding mineral resources of the right caliber to assure that this burgeoning demand can be adequately satisfied.