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NARROW
GeoRef Subject
-
all geography including DSDP/ODP Sites and Legs
-
Africa
-
North Africa
-
Algeria
-
Oran Algeria (1)
-
-
-
Southern Africa
-
Karoo Basin (3)
-
South Africa
-
Bushveld Complex (1)
-
KwaZulu-Natal South Africa (1)
-
Mpumalanga South Africa (1)
-
Transvaal region (2)
-
-
-
-
Asia
-
Far East
-
China
-
Anhui China (1)
-
Datong China (1)
-
Gansu China (1)
-
Guangdong China (1)
-
Henan China (1)
-
Inner Mongolia China (1)
-
Ordos Basin (2)
-
Qaidam Basin (1)
-
Shaanxi China (4)
-
Shandong China (1)
-
Shanxi China (3)
-
Sichuan China (1)
-
Xinjiang China (1)
-
Yangtze River valley (1)
-
Yunnan China (1)
-
-
Japan
-
Honshu
-
Niigata Japan (1)
-
-
-
Korea
-
South Korea (1)
-
-
Mongolia (1)
-
Philippine Islands
-
Cebu Philippine Islands (1)
-
Luzon
-
Bataan Philippine Islands (1)
-
-
-
Taiwan (1)
-
-
Indian Peninsula
-
India
-
Bihar India (3)
-
Damodar Valley (1)
-
Jharkhand India
-
Jharia coal field (5)
-
Karanpura coal field (1)
-
-
Mahanadi Valley (1)
-
Narmada Valley (1)
-
Orissa India
-
Talchir coal field (1)
-
-
Pranhita-Godavari Valley (1)
-
West Bengal India
-
Barakar India (1)
-
Raniganj coal field (4)
-
-
-
-
Kemerovo Russian Federation (1)
-
Kuznetsk Basin (1)
-
Middle East
-
Iran
-
Elburz (1)
-
-
Turkey (1)
-
-
-
Atlantic Ocean
-
North Atlantic
-
North Sea (1)
-
-
-
Atlantic region (1)
-
Australasia
-
Australia (1)
-
New Zealand
-
Otago New Zealand
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Otago Peninsula (1)
-
-
Southland New Zealand (1)
-
-
-
Canada
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Eastern Canada
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Maritime Provinces
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New Brunswick (1)
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Nova Scotia
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Cape Breton Island
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Cape Breton County Nova Scotia
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Sydney Nova Scotia (3)
-
-
-
-
-
-
Elk Point Basin (1)
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Western Canada
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Alberta (1)
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British Columbia
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Bowser Basin (2)
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Tulameen coal area (2)
-
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Saskatchewan (1)
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Yukon Territory (1)
-
-
-
Commonwealth of Independent States
-
Russian Federation
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Chelyabinsk Russian Federation (2)
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Kuznetsk Basin (1)
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Urals
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Southern Urals (1)
-
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Cook Inlet (1)
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Europe
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Alps
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Eastern Alps (1)
-
-
Central Europe
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Austria
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Enns Valley (1)
-
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Czech Republic
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Moravia (1)
-
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Germany
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Westphalia (1)
-
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Inn Valley (1)
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Silesian coal basin (1)
-
-
Saar Basin (1)
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Southern Europe
-
Bulgaria (2)
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Variscides (1)
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Western Europe
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Belgium (1)
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France
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Central Massif (2)
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Lorraine (2)
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Nord-Pas-de-Calais Basin (1)
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Saone-et-Loire France (1)
-
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United Kingdom
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Derbyshire England (4)
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Northumberland England (2)
-
Nottinghamshire England (3)
-
Somerset England (1)
-
Staffordshire England (2)
-
Warwickshire England (1)
-
Yorkshire England (5)
-
-
Scotland
-
Ayrshire Scotland (1)
-
Midlothian Scotland (3)
-
-
Wales
-
Powys Wales (1)
-
South Wales (6)
-
South Wales coal field (15)
-
-
-
-
-
-
Green River basin (1)
-
Midland Valley (3)
-
Midlands (1)
-
North America
-
Appalachian Basin (2)
-
Appalachians
-
Central Appalachians (2)
-
Valley and Ridge Province (1)
-
-
Basin and Range Province (1)
-
Williston Basin (1)
-
-
North Island (1)
-
San Juan Basin (1)
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South America (1)
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-
United States
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Alaska (1)
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Arkansas (2)
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California
-
Contra Costa County California (1)
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Colorado
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-
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-
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Laurel County Kentucky (1)
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Magoffin County Kentucky (2)
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-
-
New Mexico
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North Dakota (1)
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Pennsylvania
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Wyoming
-
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USSR (1)
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construction materials (1)
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diamond deposits (1)
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geothermal energy (1)
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-
mineral deposits, genesis (3)
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oil and gas fields (1)
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petroleum
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natural gas
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coalbed methane (6)
-
-
-
sand deposits (1)
-
-
elements, isotopes
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carbon
-
C-13/C-12 (1)
-
-
halogens
-
chlorine
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chloride ion (1)
-
-
fluorine (1)
-
-
isotope ratios (3)
-
isotopes
-
radioactive isotopes
-
Po-210 (1)
-
-
stable isotopes
-
C-13/C-12 (1)
-
O-18/O-16 (1)
-
Pb-207/Pb-206 (1)
-
Pb-208/Pb-206 (1)
-
S-34/S-32 (1)
-
-
-
metals
-
alkali metals
-
potassium (1)
-
-
alkaline earth metals
-
calcium (1)
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magnesium (1)
-
-
arsenic (2)
-
chromium (1)
-
cobalt (1)
-
gold (1)
-
iron
-
ferric iron (1)
-
-
lead
-
Pb-207/Pb-206 (1)
-
Pb-208/Pb-206 (1)
-
-
manganese (1)
-
molybdenum (1)
-
polonium
-
Po-210 (1)
-
-
rare earths
-
yttrium (1)
-
-
-
noble gases
-
helium (1)
-
-
oxygen
-
O-18/O-16 (1)
-
-
selenium (2)
-
sulfur
-
S-34/S-32 (1)
-
-
trace metals (1)
-
-
fossils
-
burrows (1)
-
Chordata
-
Vertebrata
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Tetrapoda
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Reptilia (1)
-
-
-
-
Invertebrata
-
Arthropoda
-
Mandibulata
-
Insecta
-
Pterygota
-
Neoptera
-
Exopterygota
-
Blattaria (2)
-
-
-
-
-
-
-
Mollusca
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Bivalvia
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Pterioida
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Pteriina
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Anthraconauta (2)
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Vermes (1)
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microfossils
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Conodonta (1)
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problematic microfossils (1)
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pollen (4)
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Plantae
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Pteridophyta
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Lycopsida
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Lepidodendron (1)
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-
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Spermatophyta
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Gymnospermae
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Cordaitales
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Cordaites (2)
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Pteridospermae
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Neuropteris (2)
-
-
-
-
-
problematic fossils
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problematic microfossils (1)
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thallophytes (1)
-
-
geochronology methods
-
K/Ar (1)
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U/Th/Pb (1)
-
-
geologic age
-
Cenozoic
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Quaternary (1)
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Tertiary
-
Paleogene
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Eocene
-
middle Eocene (1)
-
upper Eocene (1)
-
-
Paleocene
-
Ravenscrag Formation (1)
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Tongue River Member (1)
-
-
-
-
-
Coal Measures (3)
-
Dalradian (1)
-
Mesozoic
-
Cretaceous
-
Lower Cretaceous
-
Gething Formation (1)
-
Moosebar Formation (1)
-
-
Mancos Shale (1)
-
Upper Cretaceous
-
Cenomanian (1)
-
Crevasse Canyon Formation (1)
-
Ferron Sandstone Member (1)
-
Fruitland Formation (1)
-
Gallup Sandstone (1)
-
Menefee Formation (1)
-
Rock Springs Formation (1)
-
Turonian (1)
-
-
-
Jurassic
-
Lower Jurassic (1)
-
Middle Jurassic
-
Xishanyao Formation (1)
-
-
-
Triassic
-
Sherwood Sandstone (1)
-
Upper Triassic (1)
-
-
-
Paleozoic
-
Carboniferous
-
Lower Carboniferous
-
Dinantian (1)
-
-
Pennsylvanian
-
Lower Pennsylvanian (1)
-
Middle Pennsylvanian
-
Breathitt Formation (1)
-
-
Morien Group (4)
-
Pottsville Group (1)
-
Upper Pennsylvanian (2)
-
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Silesian (1)
-
Upper Carboniferous
-
Millstone Grit (2)
-
Stephanian (8)
-
Westphalian (20)
-
-
-
Devonian
-
Upper Devonian
-
Cleveland Member (1)
-
Famennian (1)
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Ohio Shale (1)
-
-
-
Ordovician (1)
-
Permian
-
Ecca Group (1)
-
Lower Permian
-
Barakar Stage (1)
-
Cisuralian
-
Artinskian (1)
-
Kungurian (1)
-
-
-
Upper Permian (3)
-
Vryheid Formation (4)
-
-
upper Paleozoic
-
Pictou Group (1)
-
Shanxi Formation (1)
-
-
-
Precambrian
-
Waterberg System (1)
-
-
-
igneous rocks
-
igneous rocks
-
plutonic rocks
-
diabase (1)
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granites (1)
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volcanic rocks (1)
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-
-
metamorphic rocks
-
metamorphic rocks
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metacarbonate rocks (1)
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metasedimentary rocks (1)
-
-
-
minerals
-
arsenides
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arsenopyrite (1)
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carbonates
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ankerite (1)
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aragonite (1)
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calcite (3)
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dolomite (1)
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siderite (1)
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halides (1)
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minerals (3)
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oxides
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silicates
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asbestos (1)
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framework silicates
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feldspar group
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alkali feldspar (1)
-
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silica minerals
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quartz (1)
-
-
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orthosilicates
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nesosilicates
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larnite (1)
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olivine group
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fayalite (1)
-
-
zircon group
-
zircon (1)
-
-
-
-
sheet silicates
-
chlorite group
-
chamosite (1)
-
-
clay minerals
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kaolinite (2)
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illite (3)
-
mica group
-
biotite (1)
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muscovite (1)
-
-
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sulfates
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anhydrite (2)
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coquimbite (1)
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gypsum (1)
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rozenite (1)
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voltaite (1)
-
-
sulfides
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arsenopyrite (1)
-
galena (1)
-
pyrite (4)
-
pyrrhotite (1)
-
-
-
Primary terms
-
absolute age (3)
-
Africa
-
North Africa
-
Algeria
-
Oran Algeria (1)
-
-
-
Southern Africa
-
Karoo Basin (3)
-
South Africa
-
Bushveld Complex (1)
-
KwaZulu-Natal South Africa (1)
-
Mpumalanga South Africa (1)
-
Transvaal region (2)
-
-
-
-
Asia
-
Far East
-
China
-
Anhui China (1)
-
Datong China (1)
-
Gansu China (1)
-
Guangdong China (1)
-
Henan China (1)
-
Inner Mongolia China (1)
-
Ordos Basin (2)
-
Qaidam Basin (1)
-
Shaanxi China (4)
-
Shandong China (1)
-
Shanxi China (3)
-
Sichuan China (1)
-
Xinjiang China (1)
-
Yangtze River valley (1)
-
Yunnan China (1)
-
-
Japan
-
Honshu
-
Niigata Japan (1)
-
-
-
Korea
-
South Korea (1)
-
-
Mongolia (1)
-
Philippine Islands
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Cebu Philippine Islands (1)
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Luzon
-
Bataan Philippine Islands (1)
-
-
-
Taiwan (1)
-
-
Indian Peninsula
-
India
-
Bihar India (3)
-
Damodar Valley (1)
-
Jharkhand India
-
Jharia coal field (5)
-
Karanpura coal field (1)
-
-
Mahanadi Valley (1)
-
Narmada Valley (1)
-
Orissa India
-
Talchir coal field (1)
-
-
Pranhita-Godavari Valley (1)
-
West Bengal India
-
Barakar India (1)
-
Raniganj coal field (4)
-
-
-
-
Kemerovo Russian Federation (1)
-
Kuznetsk Basin (1)
-
Middle East
-
Iran
-
Elburz (1)
-
-
Turkey (1)
-
-
-
Atlantic Ocean
-
North Atlantic
-
North Sea (1)
-
-
-
Atlantic region (1)
-
Australasia
-
Australia (1)
-
New Zealand
-
Otago New Zealand
-
Otago Peninsula (1)
-
-
Southland New Zealand (1)
-
-
-
bibliography (1)
-
biogeography (2)
-
brines (1)
-
Canada
-
Eastern Canada
-
Maritime Provinces
-
New Brunswick (1)
-
Nova Scotia
-
Cape Breton Island
-
Cape Breton County Nova Scotia
-
Sydney Nova Scotia (3)
-
-
-
-
-
-
Elk Point Basin (1)
-
Western Canada
-
Alberta (1)
-
British Columbia
-
Bowser Basin (2)
-
Tulameen coal area (2)
-
-
Saskatchewan (1)
-
Yukon Territory (1)
-
-
-
carbon
-
C-13/C-12 (1)
-
-
Cenozoic
-
Quaternary (1)
-
Tertiary
-
Paleogene
-
Eocene
-
middle Eocene (1)
-
upper Eocene (1)
-
-
Paleocene
-
Ravenscrag Formation (1)
-
Tongue River Member (1)
-
-
-
-
-
chemical analysis (1)
-
Chordata
-
Vertebrata
-
Tetrapoda
-
Reptilia (1)
-
-
-
-
clay mineralogy (1)
-
climate change (1)
-
coal deposits
-
coke coal (1)
-
-
construction materials (1)
-
crust (1)
-
crystal chemistry (2)
-
crystal structure (2)
-
dams (1)
-
data processing (6)
-
deformation (11)
-
diagenesis (10)
-
diamond deposits (1)
-
earthquakes (2)
-
ecology (1)
-
economic geology (18)
-
energy sources (2)
-
engineering geology (7)
-
environmental geology (4)
-
Europe
-
Alps
-
Central Austrian Alps (1)
-
Eastern Alps (1)
-
-
Central Europe
-
Austria
-
Central Austrian Alps (1)
-
Enns Valley (1)
-
-
Czech Republic
-
Moravia (1)
-
-
Germany
-
Saarland Germany (1)
-
Westphalia (1)
-
-
Inn Valley (1)
-
Silesian coal basin (1)
-
-
Saar Basin (1)
-
Southern Europe
-
Bulgaria (2)
-
-
Variscides (1)
-
Western Europe
-
Belgium (1)
-
France
-
Central Massif (2)
-
Lorraine (2)
-
Nord-Pas-de-Calais Basin (1)
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Paris Basin (1)
-
Saone-et-Loire France (1)
-
-
United Kingdom
-
Great Britain
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England
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Berkshire England (1)
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Cumbria England
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Cumberland England
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Bewcastle England (1)
-
-
-
Derbyshire England (4)
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Durham England (1)
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-
Lancashire England (1)
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Northumberland England (2)
-
Nottinghamshire England (3)
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Somerset England (1)
-
Staffordshire England (2)
-
Warwickshire England (1)
-
Yorkshire England (5)
-
-
Scotland
-
Ayrshire Scotland (1)
-
Midlothian Scotland (3)
-
-
Wales
-
Powys Wales (1)
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South Wales (6)
-
South Wales coal field (15)
-
-
-
-
-
-
explosions (1)
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faults (18)
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folds (6)
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foundations (2)
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fractures (4)
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geochemistry (9)
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geology (1)
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geomorphology (2)
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geophysical methods (18)
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glacial geology (2)
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ground water (16)
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heat flow (3)
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hydrogeology (1)
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hydrology (2)
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igneous rocks
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plutonic rocks
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diabase (1)
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granites (1)
-
-
volcanic rocks (1)
-
-
inclusions
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fluid inclusions (3)
-
-
intrusions (3)
-
Invertebrata
-
Arthropoda
-
Mandibulata
-
Insecta
-
Pterygota
-
Neoptera
-
Exopterygota
-
Blattaria (2)
-
-
-
-
-
-
-
Mollusca
-
Bivalvia
-
Pterioida
-
Pteriina
-
Anthraconauta (2)
-
-
-
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Identifying minor faults on top of coalfield Ordovician limestone stratum using seismic attributes derived from azimuthally stacked data
Unearthing Underground Mining–Induced Strata Disturbance by Electrical Resistivity Tomography Interpretation
Investigation of Overburden Movement and Ground Stress Behaviour in Multiseam Mining
Research on Roof Structure and Determination of Working Resistance of Shallow Buried Single Key Stratum Based on Grid Drillhole Field Method
ABSTRACT Mount Diablo Coalfield was the largest producer of coal in California from the 1860s to 1906. The now-depleted coalfield is located on the northeast limb of the Mount Diablo anticline. The mineable coal seams occur in the Middle Eocene Domengine Formation, which is predominantly composed of quartz-rich sandstone with several thin coal seams. As many as 26 mine operations were established to mine the coal, and it has been estimated that the total production exceeded 4 million tons. The coal fueled the industrial growth of the major cities of northern California. The mines closed at the turn of the nineteenth century as competition from better coals from Washington Territory and overseas entered the market. After coal mining was abandoned, sand operations were established in the early and mid-twentieth century to mine the silica-rich sandstone. The extraction methods used for sand were underground room-and-pillar mining and surface open-pit mining. The high-quality sand was used widely in the production of pottery and glass, and in foundries. Previous studies have interpreted the environment of deposition of these quartz-rich sandstone and coal deposits as barrier island with tidal channels or delta, tidal shelf, and marsh complexes along a north-south–trending shoreline. However, the excellent exposures in the sand mines display abundant evidence for their deposition in a fluvial/estuarine system. Their regional distribution indicates that they were deposited in a northeast-southwest–trending incised-valley system formed by fluvial incision during a lowstand. The incised valley was filled with fluvial and estuarine deposits made up of quartz-rich sand brought in by streams that flowed westward from the Sierra Nevada.