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NARROW
Format
Article Type
Journal
Publisher
Section
GeoRef Subject
-
all geography including DSDP/ODP Sites and Legs
-
Africa
-
Central Africa
-
Congo Democratic Republic
-
Kundelungu Plateau (1)
-
Shaba Congo Democratic Republic (1)
-
-
-
Namib Desert (1)
-
North Africa
-
Egypt (3)
-
Libya (1)
-
Western Sahara (1)
-
-
Southern Africa
-
Barberton greenstone belt (3)
-
Botswana
-
Okavango Delta (1)
-
-
Kaapvaal Craton (3)
-
Namaqualand metamorphic complex (1)
-
Namibia (1)
-
Orange River (1)
-
South Africa
-
Bushveld Complex (3)
-
Free State South Africa
-
Vredefort Dome (16)
-
-
Gauteng South Africa
-
Johannesburg South Africa (2)
-
-
Mpumalanga South Africa
-
Barberton South Africa (1)
-
-
Transvaal region (3)
-
Vaal River (1)
-
Witwatersrand (1)
-
-
-
West Africa
-
Ghana
-
Bosumtwi Crater (7)
-
-
Mauritania (1)
-
-
-
Antarctica (2)
-
Arctic Ocean
-
Barents Sea (5)
-
Kara Sea (1)
-
-
Arctic region
-
Greenland
-
Greenland ice sheet (1)
-
-
-
Asia
-
Altai Mountains
-
Mongolian Altai (1)
-
-
Arabian Peninsula
-
Oman (1)
-
Yemen (1)
-
-
Central Asia
-
Aral region (1)
-
Kazakhstan (1)
-
-
Chukotka Russian Federation
-
Anadyr Range (1)
-
Chukchi Peninsula (1)
-
-
Far East
-
China
-
Tengger Desert (1)
-
-
Japan (2)
-
Mongolia
-
Mongolian Altai (1)
-
-
Thailand (1)
-
-
Gobi Desert (1)
-
Indian Peninsula
-
India
-
Bundelkhand (1)
-
Madhya Pradesh India (1)
-
Maharashtra India
-
Lonar Crater (9)
-
-
Rajasthan India (1)
-
-
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Middle East
-
Jordan (1)
-
-
Novosibirsk Russian Federation (1)
-
Popigay Structure (5)
-
Siberia (4)
-
Siberian Platform
-
Tunguska (1)
-
-
Southeast Asia (1)
-
-
Atlantic Ocean
-
Equatorial Atlantic (1)
-
North Atlantic
-
Baltic Sea (1)
-
Bermuda Rise (1)
-
Blake Plateau
-
Blake Nose (2)
-
-
Caribbean Sea
-
Nicaragua Rise (1)
-
-
Gulf of Mexico (11)
-
Hudson Bay (1)
-
North Sea (6)
-
Northwest Atlantic
-
Demerara Rise (1)
-
-
Scotian Shelf (3)
-
Scotian Slope (1)
-
-
South Atlantic
-
Walvis Ridge (1)
-
-
West Atlantic (1)
-
-
Australasia
-
Australia
-
Eromanga Basin (1)
-
Northern Territory Australia (2)
-
Queensland Australia
-
Century Deposit (1)
-
Mount Isa Inlier (1)
-
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South Australia
-
Gawler Craton (1)
-
-
Western Australia
-
Hamersley Basin (1)
-
Pilbara Craton (1)
-
Yilgarn (1)
-
-
-
New Zealand (1)
-
-
Bass River (1)
-
Canada
-
Arctic Archipelago (4)
-
Carswell Structure (1)
-
Eastern Canada
-
Maritime Provinces
-
Nova Scotia (2)
-
-
Matachewan dike swarm (1)
-
Newfoundland and Labrador
-
Labrador
-
Mistastin Lake (3)
-
-
Newfoundland (3)
-
-
Ontario
-
Nipissing District Ontario
-
Brent Crater (3)
-
-
Sudbury Basin (8)
-
Sudbury District Ontario (1)
-
Sudbury igneous complex (16)
-
Sudbury Structure (15)
-
Thunder Bay District Ontario (1)
-
-
Quebec
-
Charlevoix (10)
-
Manicouagan Crater (5)
-
New Quebec Crater (3)
-
Quebec City Quebec (1)
-
-
-
Hudson Bay (1)
-
Nunavut
-
Devon Island (4)
-
Haughton impact structure (5)
-
-
Queen Elizabeth Islands
-
Devon Island (4)
-
-
Ungava (1)
-
Western Canada
-
Alberta (4)
-
Athabasca Basin (1)
-
British Columbia (1)
-
Manitoba
-
Lac du Bonnet Manitoba (1)
-
-
Northwest Territories (1)
-
Saskatchewan (4)
-
-
-
Caribbean region
-
West Indies
-
Antilles
-
Greater Antilles
-
Hispaniola
-
Haiti (1)
-
-
-
-
-
-
Central America
-
Guatemala (1)
-
-
Chesapeake Bay impact structure (15)
-
Chicxulub Crater (41)
-
Clearwater Lake (5)
-
Colombian Basin (1)
-
Commonwealth of Independent States
-
Aral region (1)
-
Belarus (1)
-
Kazakhstan (1)
-
Russian Federation
-
Arkhangelsk Russian Federation
-
Nenets Russian Federation (1)
-
-
Chukotka Russian Federation
-
Anadyr Range (1)
-
Chukchi Peninsula (1)
-
-
Novosibirsk Russian Federation (1)
-
Popigay Structure (5)
-
Siberian Platform
-
Tunguska (1)
-
-
-
Ukraine
-
Boltyshka Depression (7)
-
Ukrainian Shield (1)
-
-
-
Eurasia (1)
-
Europe
-
Alps (1)
-
Arkhangelsk Russian Federation
-
Nenets Russian Federation (1)
-
-
Baltic region
-
Estonia (4)
-
-
Belarus (1)
-
Central Europe
-
Germany
-
Baden-Wurttemberg Germany (2)
-
Bavaria Germany
-
Ries Crater (15)
-
-
Steinheim Basin (3)
-
-
Poland
-
Poznan Poland (1)
-
-
-
Fennoscandian Shield (5)
-
Rhine Valley (1)
-
Southern Europe
-
Iberian Peninsula
-
Spain
-
Murcia Spain
-
Caravaca Spain (1)
-
-
-
-
Italy
-
Apennines (1)
-
Umbria Italy
-
Perugia Italy
-
Gubbio Italy (1)
-
-
-
-
-
Ukraine
-
Boltyshka Depression (7)
-
Ukrainian Shield (1)
-
-
Western Europe
-
France
-
Central Massif (1)
-
Haute-Vienne France
-
Rochechouart France (1)
-
-
Paris Basin (1)
-
Rochechouart Crater (3)
-
-
Iceland (1)
-
Scandinavia
-
Finland
-
Lake Lappajarvi (2)
-
-
Norway
-
Southern Norway (1)
-
-
Sweden
-
Dalarna Sweden
-
Siljan (2)
-
Siljan Ring (3)
-
-
Jamtland Sweden
-
Lockne Crater (3)
-
-
Smaland (1)
-
Stockholm Sweden (1)
-
-
-
United Kingdom
-
Great Britain
-
England
-
Dorset England (1)
-
-
Scotland
-
Moine thrust zone (2)
-
-
-
-
-
-
Indian Ocean
-
Arabian Sea
-
Persian Gulf (1)
-
-
-
International Ocean Discovery Program (4)
-
James River (1)
-
Mediterranean region (1)
-
Mexico
-
Campeche Mexico (1)
-
Nuevo Leon Mexico (1)
-
Yucatan Mexico
-
Yaxcopoil-1 (1)
-
-
-
North America
-
Canadian Shield
-
Grenville Province (4)
-
Southern Province (2)
-
Superior Province
-
Abitibi Belt (1)
-
-
-
Great Lakes
-
Lake Superior (7)
-
-
Great Lakes region (5)
-
Great Plains
-
Southern Great Plains (1)
-
-
Grenville Front (2)
-
Gulf Coastal Plain (1)
-
Michigan Basin (1)
-
Rocky Mountains
-
U. S. Rocky Mountains
-
Sangre de Cristo Mountains (1)
-
-
-
Saint Lawrence Lowlands (1)
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Saint Lawrence River (1)
-
Saint Lawrence Valley (1)
-
Western Interior
-
Western Interior Seaway (1)
-
-
Williston Basin (4)
-
-
Northern Hemisphere (1)
-
Pacific Ocean
-
South Pacific
-
Southwest Pacific
-
Gulf of Carpentaria (1)
-
-
-
West Pacific
-
Ontong Java Plateau (2)
-
Southwest Pacific
-
Gulf of Carpentaria (1)
-
-
-
-
Raton Basin (1)
-
Russian Platform
-
Ukrainian Shield (1)
-
-
South America
-
Brazil
-
Aracuai Belt (1)
-
Goias Brazil (2)
-
Mato Grosso Brazil (2)
-
Minas Gerais Brazil (1)
-
Parnaiba Basin (1)
-
Rio Grande do Sul Brazil (1)
-
-
Parana Basin (2)
-
-
United States
-
Alabama (3)
-
Alaska (1)
-
Arizona
-
Coconino County Arizona
-
Flagstaff Arizona (1)
-
Meteor Crater (9)
-
-
San Francisco Peaks (1)
-
-
Atlantic Coastal Plain (6)
-
Bighorn Basin (1)
-
California
-
Anza-Borrego Desert State Park (1)
-
Fresno County California (1)
-
San Diego County California (1)
-
-
Chesapeake Bay (15)
-
Colorado Plateau (1)
-
Columbia Plateau (1)
-
Delaware
-
Sussex County Delaware
-
Bethany Beach Delaware (1)
-
-
-
Delmarva Peninsula (2)
-
Indiana
-
Kentland impact structure (5)
-
Newton County Indiana (5)
-
-
Iowa
-
Manson impact structure (4)
-
Winneshiek County Iowa (2)
-
-
Kansas (1)
-
Maryland (2)
-
Michigan
-
Michigan Lower Peninsula
-
Cass County Michigan (1)
-
-
-
Midcontinent (1)
-
Missouri
-
Crawford County Missouri (1)
-
-
Montana (1)
-
Nevada
-
Lincoln County Nevada (1)
-
-
New Jersey (2)
-
New Mexico
-
Santa Fe County New Mexico (1)
-
-
New York (1)
-
North Dakota
-
McKenzie County North Dakota (1)
-
-
Oklahoma
-
Major County Oklahoma
-
Ames Structure (1)
-
-
-
Paradox Basin (1)
-
South Carolina (1)
-
Texas
-
Ector County Texas
-
Odessa Craters (1)
-
Odessa Texas (1)
-
-
Texas Panhandle (1)
-
West Texas (1)
-
Zavala County Texas (1)
-
-
U. S. Rocky Mountains
-
Sangre de Cristo Mountains (1)
-
-
Utah (4)
-
Virginia
-
Mathews County Virginia (1)
-
Northampton County Virginia (9)
-
York County Virginia (1)
-
-
Wisconsin
-
Pierce County Wisconsin (3)
-
-
Wyoming
-
Albany County Wyoming (1)
-
Converse County Wyoming (1)
-
Teapot Dome (1)
-
-
-
USSR (5)
-
Yucatan Peninsula (16)
-
-
commodities
-
aggregate (1)
-
diamond deposits (2)
-
glass materials (2)
-
metal ores
-
cobalt ores (2)
-
copper ores (6)
-
gold ores (1)
-
iron ores (1)
-
lead ores (2)
-
lead-zinc deposits (2)
-
nickel ores (6)
-
palladium ores (1)
-
platinum ores (5)
-
polymetallic ores (1)
-
silver ores (2)
-
zinc ores (2)
-
-
mineral deposits, genesis (4)
-
mineral exploration (4)
-
mineral resources (1)
-
oil and gas fields (4)
-
petroleum
-
natural gas (1)
-
-
refractory materials (1)
-
-
elements, isotopes
-
boron (1)
-
carbon
-
C-13 (1)
-
C-13/C-12 (4)
-
C-14 (3)
-
organic carbon (1)
-
-
halogens
-
chlorine
-
chloride ion (1)
-
-
fluorine
-
fluoride ion (1)
-
-
-
isotope ratios (10)
-
isotopes
-
radioactive isotopes
-
Be-10 (1)
-
C-14 (3)
-
Os-187/Os-186 (2)
-
-
stable isotopes
-
C-13 (1)
-
C-13/C-12 (4)
-
Nd-144/Nd-143 (1)
-
O-18 (1)
-
O-18/O-16 (1)
-
Os-187/Os-186 (2)
-
Os-188/Os-187 (1)
-
S-34/S-32 (3)
-
Sr-87/Sr-86 (1)
-
W-182 (1)
-
-
-
metals
-
actinides
-
thorium (1)
-
uranium (1)
-
-
alkali metals
-
lithium (1)
-
potassium (2)
-
sodium (1)
-
-
alkaline earth metals
-
beryllium
-
Be-10 (1)
-
-
calcium (1)
-
magnesium (2)
-
strontium
-
Sr-87/Sr-86 (1)
-
-
-
arsenic (1)
-
chromium (3)
-
cobalt (1)
-
iron
-
ferric iron (1)
-
ferrous iron (1)
-
-
molybdenum (1)
-
nickel (6)
-
platinum group
-
iridium (8)
-
osmium
-
Os-187/Os-186 (2)
-
Os-188/Os-187 (1)
-
-
palladium (2)
-
palladium ores (1)
-
platinum (2)
-
platinum ores (5)
-
rhodium (1)
-
ruthenium (1)
-
-
precious metals (2)
-
rare earths
-
neodymium
-
Nd-144/Nd-143 (1)
-
-
-
rhenium (1)
-
tungsten
-
W-182 (1)
-
-
zirconium (1)
-
-
nitrogen (3)
-
noble gases (1)
-
oxygen
-
O-18 (1)
-
O-18/O-16 (1)
-
-
phosphorus (1)
-
selenium (1)
-
silicon (1)
-
sulfur
-
S-34/S-32 (3)
-
-
trace metals (1)
-
-
fossils
-
bacteria (1)
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Chordata
-
Vertebrata
-
Tetrapoda
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Mammalia
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Theria
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Eutheria
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Primates
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Hominidae
-
Homo
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Homo erectus (1)
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-
-
-
-
-
-
-
-
-
fossil man (1)
-
ichnofossils
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Chondrites ichnofossils (1)
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Planolites (1)
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Zoophycos (1)
-
-
Invertebrata
-
Arthropoda
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Chelicerata
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Merostomata
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Eurypterida (1)
-
-
-
Mandibulata
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Crustacea
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Ostracoda (2)
-
-
-
-
Brachiopoda (1)
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Protista
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Foraminifera (9)
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Radiolaria (1)
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-
-
microfossils
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Conodonta (1)
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-
palynomorphs
-
acritarchs (1)
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Dinoflagellata (4)
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miospores
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pollen (3)
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-
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Plantae
-
algae
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nannofossils
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Discoasteridae (1)
-
-
-
Pteridophyta
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Filicopsida
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Azolla (1)
-
Gleicheniaceae (1)
-
-
-
Spermatophyta
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Angiospermae
-
Dicotyledoneae
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Myrica (1)
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Rosidae (1)
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-
-
Gymnospermae
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Coniferales (1)
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-
-
-
thallophytes (2)
-
-
geochronology methods
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(U-Th)/He (1)
-
Ar/Ar (11)
-
fission-track dating (2)
-
K/Ar (4)
-
paleomagnetism (15)
-
Pb/Pb (1)
-
Rb/Sr (1)
-
Re/Os (2)
-
Sm/Nd (1)
-
U/Pb (12)
-
U/Th/Pb (3)
-
-
geologic age
-
Cenozoic
-
lower Cenozoic (1)
-
Quaternary
-
Holocene (4)
-
Pleistocene
-
middle Pleistocene (2)
-
upper Pleistocene (1)
-
-
-
Tertiary
-
lower Tertiary (18)
-
Neogene
-
Miocene
-
Calvert Formation (1)
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Columbia River Basalt Group (2)
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middle Miocene
-
Choptank Formation (1)
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-
Saint Marys Formation (1)
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upper Miocene
-
Eastover Formation (1)
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-
-
Pliocene
-
upper Pliocene (1)
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Yorktown Formation (1)
-
-
-
Paleogene
-
Eocene
-
lower Eocene (1)
-
middle Eocene (1)
-
upper Eocene (12)
-
-
Oligocene
-
lower Oligocene (1)
-
-
Paleocene
-
lower Paleocene
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Danian (5)
-
K-T boundary (29)
-
-
-
Paleocene-Eocene Thermal Maximum (1)
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-
-
-
Mesozoic
-
Cretaceous
-
Lower Cretaceous
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Albian (1)
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-
Potomac Group (1)
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Upper Cretaceous
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Campanian (1)
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Cenomanian (1)
-
Judith River Formation (1)
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K-T boundary (29)
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Maestrichtian (2)
-
Mooreville Chalk (1)
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Pierre Shale (1)
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Senonian (3)
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Two Medicine Formation (1)
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-
-
Jurassic
-
Lower Jurassic
-
Toarcian (1)
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Triassic-Jurassic boundary (1)
-
-
Upper Jurassic (1)
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-
Kayenta Formation (1)
-
Navajo Sandstone (1)
-
Serra Geral Formation (1)
-
Triassic
-
Lower Triassic
-
Permian-Triassic boundary (1)
-
-
Moenkopi Formation (1)
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Upper Triassic
-
Chinle Formation (1)
-
Triassic-Jurassic boundary (1)
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-
-
Wingate Sandstone (1)
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-
Paleozoic
-
Cambrian
-
Semri Series (1)
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-
Carboniferous
-
Mississippian
-
Charles Formation (1)
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Madison Group (1)
-
Mission Canyon Limestone (1)
-
-
Pennsylvanian (2)
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Upper Carboniferous (1)
-
-
Casper Formation (1)
-
Devonian
-
Guilmette Formation (1)
-
Upper Devonian (6)
-
-
lower Paleozoic (2)
-
Ordovician
-
Middle Ordovician (5)
-
Upper Ordovician
-
Queenston Shale (1)
-
-
-
Permian
-
Lower Permian
-
Cisuralian
-
Kungurian (1)
-
-
-
Upper Permian
-
Permian-Triassic boundary (1)
-
Zechstein (1)
-
-
-
Silurian (1)
-
upper Paleozoic
-
Bakken Formation (1)
-
-
-
Phanerozoic (12)
-
Precambrian
-
Archean
-
Neoarchean (3)
-
Paleoarchean (2)
-
-
Hadean (4)
-
Levack Gneiss (1)
-
Nipissing Diabase (1)
-
upper Precambrian
-
Proterozoic
-
Athabasca Formation (1)
-
Huronian
-
Onaping Formation (5)
-
-
Isan Orogeny (1)
-
Lewisian (2)
-
Mesoproterozoic
-
Gawler Range Volcanics (1)
-
-
Neoproterozoic
-
Ediacaran (2)
-
Moine Supergroup (2)
-
Torridonian (1)
-
Vendian (1)
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-
Paleoproterozoic
-
Chelmsford Formation (1)
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Whitewater Group (3)
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-
Pretoria Group (1)
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-
-
Ventersdorp Supergroup (1)
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zircon group
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sorosilicates
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sheet silicates
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Primary terms
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carbon
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chemical analysis (1)
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Chordata
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Primates
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clay mineralogy (1)
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Deep Sea Drilling Project
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IPOD
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Leg 74
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Leg 77
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DSDP Site 536 (1)
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DSDP Site 540 (1)
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Leg 95
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Leg 43
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deformation (39)
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inclusions
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interplanetary space (2)
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Invertebrata
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Brachiopoda (1)
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Protista
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isotopes
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stable isotopes
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S-34/S-32 (3)
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lava (2)
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Mesozoic
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Judith River Formation (1)
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Senonian (3)
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Two Medicine Formation (1)
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Jurassic
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Lower Jurassic
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Kayenta Formation (1)
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Triassic
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Lower Triassic
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Permian-Triassic boundary (1)
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Moenkopi Formation (1)
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Upper Triassic
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Wingate Sandstone (1)
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metal ores
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Sr-87/Sr-86 (1)
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arsenic (1)
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osmium
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precious metals (2)
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rhenium (1)
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metamorphic rocks
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impact breccia
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suevite (20)
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-
-
metaigneous rocks
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metabasalt (1)
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metaplutonic rocks (1)
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metasedimentary rocks (4)
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metasomatic rocks
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skarn (1)
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micrometeorites (1)
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eucrite (1)
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Mexico
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Ocean Drilling Program
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Leg 165
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Leg 171B
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Leg 174A
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Leg 207
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Silurian (1)
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