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NARROW
Format
Article Type
Journal
Publisher
Section
GeoRef Subject
-
all geography including DSDP/ODP Sites and Legs
-
Africa
-
Congo Craton (1)
-
East Africa
-
Lake Malawi (1)
-
-
East African Lakes
-
Lake Malawi (1)
-
-
North Africa
-
Libya (1)
-
-
Southern Africa
-
South Africa
-
Bushveld Complex (1)
-
Transvaal region (1)
-
-
Zimbabwe (1)
-
-
West Africa
-
Cameroon (1)
-
-
-
Asia
-
Arabian Peninsula
-
Saudi Arabia (1)
-
-
Far East
-
China
-
Xinjiang China
-
Junggar Basin (1)
-
-
-
-
Kyrgyzstan
-
Issyk-kul Lake (1)
-
-
-
Atlantic Ocean
-
North Atlantic
-
Gulf of Mexico (1)
-
-
-
Australasia
-
Australia
-
Western Australia
-
Yilgarn Craton (1)
-
-
-
New Zealand (1)
-
-
Avalon Zone (1)
-
Canada
-
Eastern Canada
-
Ontario
-
Hemlo Deposit (1)
-
Manitoulin District Ontario
-
Manitoulin Island (1)
-
-
Moose River basin (1)
-
Nipissing District Ontario (1)
-
Simcoe County Ontario
-
Borden Ontario (1)
-
-
-
-
Western Canada
-
Alberta
-
Alberta Basin (2)
-
Peace River Arch (1)
-
-
Manitoba
-
Lake Winnipeg (1)
-
Nelson River (1)
-
-
Northwest Territories (2)
-
Saskatchewan (1)
-
-
-
Cascadia subduction zone (1)
-
Commonwealth of Independent States
-
Kyrgyzstan
-
Issyk-kul Lake (1)
-
-
-
East Pacific Ocean Islands
-
Hawaii (1)
-
-
Europe
-
Baltic region
-
Estonia (1)
-
-
Central Europe
-
Germany (1)
-
-
Southern Europe
-
Iberian Peninsula
-
Portugal (1)
-
-
-
Western Europe
-
France (1)
-
United Kingdom
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Great Britain
-
England
-
Devon England (1)
-
-
-
-
-
-
Georgian Bay (1)
-
Green Bay (3)
-
Lake Nipissing (4)
-
Lake Saint Clair (1)
-
Mexico
-
Zacatecas Mexico (1)
-
-
Middle Valley (1)
-
Mustang Island (1)
-
North America
-
Appalachian Basin (4)
-
Appalachians (3)
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Canadian Shield (1)
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Detroit River (3)
-
Great Lakes
-
Lake Huron (3)
-
Lake Michigan (71)
-
Lake Superior (6)
-
-
Great Lakes region (42)
-
Great Plains
-
Northern Great Plains (1)
-
Southern Great Plains (1)
-
-
Lake Superior region (18)
-
Michigan Basin (90)
-
Niagara Escarpment (1)
-
Niagara River (1)
-
Williston Basin (1)
-
-
Oceania
-
Melanesia
-
New Caledonia (1)
-
-
Polynesia
-
Hawaii (1)
-
-
-
Pacific Ocean
-
East Pacific
-
Northeast Pacific
-
Juan de Fuca Ridge (1)
-
-
-
North Pacific
-
Northeast Pacific
-
Juan de Fuca Ridge (1)
-
-
-
-
Plum Island (1)
-
San Juan Basin (1)
-
Searles Lake (1)
-
South America
-
Brazil (2)
-
-
United States
-
Alaska
-
Brooks Range (1)
-
-
Arizona
-
Pima County Arizona
-
Tucson Arizona (1)
-
-
-
Arkansas (2)
-
California
-
Los Angeles County California
-
Los Angeles California (1)
-
-
San Joaquin Valley (1)
-
Santa Clara County California
-
San Jose California (1)
-
-
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Colorado (2)
-
Colorado Plateau (1)
-
Eastern U.S. (2)
-
Florida (1)
-
Georgia (1)
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Hawaii (1)
-
Illinois
-
Cook County Illinois
-
Chicago Illinois (8)
-
-
DeKalb County Illinois (1)
-
DuPage County Illinois (3)
-
Fayette County Illinois (1)
-
Jersey County Illinois (1)
-
Kane County Illinois (2)
-
Kankakee County Illinois (1)
-
Lake County Illinois (3)
-
Mazon Creek (1)
-
McHenry County Illinois (2)
-
Will County Illinois (3)
-
-
Illinois Basin (6)
-
Indiana
-
Jackson County Indiana (1)
-
Lagrange County Indiana (1)
-
Porter County Indiana (1)
-
Steuben County Indiana (1)
-
-
Iowa
-
Clayton County Iowa (1)
-
-
Kansas
-
Meade County Kansas (1)
-
Reno County Kansas
-
Hutchinson Kansas (1)
-
-
-
Kentucky (8)
-
Louisiana (1)
-
Maryland
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Anne Arundel County Maryland (1)
-
-
Massachusetts (2)
-
Michigan
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Michigan Lower Peninsula
-
Alcona County Michigan (1)
-
Allegan County Michigan (7)
-
Alpena County Michigan (2)
-
Barry County Michigan (1)
-
Bay County Michigan (1)
-
Benzie County Michigan (1)
-
Berrien County Michigan (5)
-
Branch County Michigan (1)
-
Calhoun County Michigan (1)
-
Cass County Michigan (1)
-
Charlevoix County Michigan (2)
-
Cheboygan County Michigan (1)
-
Clare County Michigan (1)
-
Clinton County Michigan (1)
-
Crawford County Michigan (1)
-
Eaton County Michigan (5)
-
Emmet County Michigan (6)
-
Gladwin County Michigan (1)
-
Grand Traverse County Michigan (3)
-
Ingham County Michigan (1)
-
Ionia County Michigan (5)
-
Isabella County Michigan (1)
-
Kalamazoo County Michigan (3)
-
Kalkaska County Michigan (1)
-
Kent County Michigan (2)
-
Leelanau County Michigan (1)
-
Livingston County Michigan (1)
-
Macomb County Michigan (1)
-
Manistee County Michigan (4)
-
Mecosta County Michigan (1)
-
Missaukee County Michigan (1)
-
Montcalm County Michigan (2)
-
Montmorency County Michigan (1)
-
Muskegon County Michigan (4)
-
Ogemaw County Michigan (1)
-
Osceola County Michigan (1)
-
Oscoda County Michigan (1)
-
Otsego County Michigan (1)
-
Ottawa County Michigan (5)
-
Presque Isle County Michigan (1)
-
Van Buren County Michigan (3)
-
Washtenaw County Michigan (1)
-
Wayne County Michigan (1)
-
-
Michigan Upper Peninsula
-
Chippewa County Michigan (4)
-
Delta County Michigan (5)
-
Dickinson County Michigan (2)
-
Gogebic County Michigan (1)
-
Luce County Michigan (1)
-
Mackinac County Michigan (3)
-
Marquette County Michigan (1)
-
Menominee County Michigan (1)
-
Schoolcraft County Michigan (4)
-
-
-
Midcontinent (6)
-
Midwest (7)
-
Minnesota
-
Minnesota River valley (1)
-
-
Mississippi
-
Hinds County Mississippi (1)
-
-
Mississippi Valley (1)
-
Missouri (2)
-
Montana (4)
-
Nebraska (2)
-
New Mexico (1)
-
New York
-
New York City New York (1)
-
Schoharie County New York (1)
-
-
Ohio (28)
-
Oklahoma (2)
-
Oregon (1)
-
Pennsylvania
-
Berks County Pennsylvania (1)
-
-
Powder River basin (1)
-
Tennessee (3)
-
Texas (6)
-
Utah (1)
-
Washington
-
Hanford Site (1)
-
King County Washington
-
Seattle Washington (1)
-
-
-
West Virginia (4)
-
Wisconsin
-
Ashland County Wisconsin (1)
-
Brown County Wisconsin (3)
-
Calumet County Wisconsin (2)
-
Columbia County Wisconsin (1)
-
Dane County Wisconsin (1)
-
Dodge County Wisconsin (1)
-
Door County Wisconsin (3)
-
Door Peninsula (2)
-
Fond du Lac County Wisconsin (1)
-
Grant County Wisconsin (1)
-
Kenosha County Wisconsin (3)
-
Kewaunee County Wisconsin (2)
-
Manitowoc County Wisconsin (6)
-
Marinette County Wisconsin (2)
-
Milwaukee County Wisconsin
-
Milwaukee Wisconsin (10)
-
-
Outagamie County Wisconsin (1)
-
Racine County Wisconsin (2)
-
Walworth County Wisconsin (2)
-
Waukesha County Wisconsin (4)
-
-
Wyoming (1)
-
-
USSR (1)
-
-
commodities
-
aggregate (1)
-
bitumens (3)
-
brines (9)
-
construction materials
-
building stone (2)
-
-
diamond deposits (2)
-
dolostone deposits (1)
-
energy sources (12)
-
gypsum deposits (1)
-
industrial minerals (1)
-
limestone deposits (2)
-
metal ores
-
chromite ores (1)
-
copper ores (7)
-
gold ores (1)
-
iron ores (9)
-
lead ores (1)
-
lead-zinc deposits (1)
-
rare earth deposits (1)
-
zinc ores (1)
-
-
mineral deposits, genesis (40)
-
mineral exploration (4)
-
mineral resources (3)
-
oil and gas fields (24)
-
petroleum
-
natural gas
-
coalbed methane (3)
-
-
-
water resources (3)
-
-
elements, isotopes
-
carbon
-
C-13/C-12 (12)
-
C-14 (17)
-
organic carbon (1)
-
-
chemical ratios (1)
-
halogens
-
chlorine
-
chloride ion (1)
-
-
-
hydrogen
-
D/H (2)
-
deuterium (2)
-
-
isotope ratios (15)
-
isotopes
-
radioactive isotopes
-
C-14 (17)
-
Pb-206/Pb-204 (2)
-
Pb-207/Pb-204 (1)
-
Pb-208/Pb-204 (2)
-
-
stable isotopes
-
C-13/C-12 (12)
-
D/H (2)
-
deuterium (2)
-
Nd-144/Nd-143 (1)
-
O-18/O-16 (9)
-
Pb-206/Pb-204 (2)
-
Pb-207/Pb-204 (1)
-
Pb-208/Pb-204 (2)
-
S-34/S-32 (2)
-
Sr-87/Sr-86 (5)
-
-
-
metals
-
alkali metals
-
potassium (1)
-
-
alkaline earth metals
-
magnesium (1)
-
strontium
-
Sr-87/Sr-86 (5)
-
-
-
aluminum (1)
-
antimony (1)
-
arsenic (3)
-
chromium (1)
-
copper (22)
-
gold (2)
-
iron (21)
-
lead
-
Pb-206/Pb-204 (2)
-
Pb-207/Pb-204 (1)
-
Pb-208/Pb-204 (2)
-
-
manganese (2)
-
molybdenum (1)
-
nickel (2)
-
rare earths
-
neodymium
-
Nd-144/Nd-143 (1)
-
-
-
silver (1)
-
thallium (1)
-
zinc (2)
-
-
nitrogen (1)
-
noble gases (1)
-
oxygen
-
O-18/O-16 (9)
-
-
phosphorus (1)
-
silicon (1)
-
sulfur
-
S-34/S-32 (2)
-
-
trace metals (1)
-
-
fossils
-
Archaea (2)
-
bacteria
-
coliform bacteria
-
Escherichia
-
Escherichia coli (1)
-
-
-
-
borings (3)
-
burrows (2)
-
Chordata
-
Vertebrata
-
Pisces
-
Osteichthyes
-
Sarcopterygii (1)
-
-
Placodermi (1)
-
-
Tetrapoda
-
Amphibia
-
Labyrinthodontia
-
Temnospondyli (1)
-
-
-
Mammalia
-
Theria
-
Eutheria
-
Proboscidea
-
Mastodontoidea (4)
-
-
-
-
-
Reptilia
-
Anapsida
-
Testudines
-
Cryptodira (1)
-
Emydidae (1)
-
-
-
-
-
Thelodonti (1)
-
-
-
fungi (1)
-
Graptolithina (2)
-
ichnofossils (3)
-
Invertebrata
-
Arthropoda
-
Mandibulata
-
Crustacea
-
Ostracoda (10)
-
-
Insecta
-
Pterygota
-
Neoptera
-
Endopterygota
-
Coleoptera (1)
-
-
-
-
-
-
Trilobitomorpha
-
Trilobita
-
Phacopida (1)
-
-
-
-
Brachiopoda
-
Articulata
-
Spiriferida (3)
-
-
-
Bryozoa
-
Trepostomata (1)
-
-
Cnidaria
-
Anthozoa
-
Zoantharia
-
Rugosa (2)
-
Tabulata (1)
-
-
-
Hydrozoa (1)
-
Scyphozoa
-
Conulariida (1)
-
-
-
Echinodermata
-
Crinozoa
-
Crinoidea (6)
-
-
Echinozoa
-
Edrioasteroidea (1)
-
-
-
Mollusca
-
Bivalvia (1)
-
Cephalopoda (2)
-
Gastropoda (3)
-
Polyplacophora (1)
-
Rostroconchia (1)
-
Tentaculitida (1)
-
-
Porifera
-
Stromatoporoidea (8)
-
-
Protista
-
Foraminifera (2)
-
Radiolaria (1)
-
-
Vermes
-
Annelida (2)
-
-
-
microfossils
-
Chitinozoa (2)
-
Conodonta (8)
-
-
palynomorphs
-
acritarchs (1)
-
Chitinozoa (2)
-
miospores
-
pollen (3)
-
-
-
Plantae
-
algae
-
Chlorophyta
-
Chlorophyceae
-
Dasycladaceae (1)
-
-
Tasmanites (1)
-
-
-
-
problematic fossils (2)
-
thallophytes (5)
-
-
geochronology methods
-
K/Ar (1)
-
optically stimulated luminescence (3)
-
paleomagnetism (6)
-
Pb/Pb (2)
-
Rb/Sr (1)
-
Sm/Nd (1)
-
tephrochronology (1)
-
U/Pb (4)
-
-
geologic age
-
Cenozoic
-
Quaternary
-
Holocene
-
lower Holocene (3)
-
upper Holocene (3)
-
-
Pleistocene
-
Lake Agassiz (1)
-
Lake Algonquin (2)
-
Lake Chicago (4)
-
upper Pleistocene
-
Twocreekan (2)
-
Weichselian
-
upper Weichselian
-
Younger Dryas (2)
-
-
-
Wisconsinan
-
upper Wisconsinan (1)
-
Woodfordian (1)
-
-
-
Wedron Formation (1)
-
-
upper Quaternary (6)
-
-
Tertiary
-
Neogene
-
Miocene (1)
-
-
Paleogene
-
Eocene
-
upper Eocene
-
Yazoo Clay (1)
-
-
-
-
-
-
Laurentide ice sheet (4)
-
Mesozoic
-
Cretaceous
-
Upper Cretaceous
-
Belle Fourche Shale (1)
-
Belly River Formation (1)
-
Carlile Shale (1)
-
Eagle Sandstone (1)
-
Fruitland Formation (1)
-
Greenhorn Limestone (1)
-
Judith River Formation (1)
-
Milk River Formation (1)
-
-
-
Jurassic
-
Middle Jurassic
-
Xishanyao Formation (1)
-
-
Upper Jurassic
-
Smackover Formation (1)
-
-
-
-
Paleozoic
-
Bedford Shale (1)
-
Berea Sandstone (2)
-
Cambrian
-
Upper Cambrian
-
Eau Claire Formation (3)
-
Franconia Formation (2)
-
Galesville Sandstone (3)
-
Mount Simon Sandstone (2)
-
Trempealeauan (1)
-
-
-
Carboniferous
-
Lower Carboniferous
-
Dinantian (1)
-
-
Mississippian
-
Lower Mississippian
-
Kinderhookian (1)
-
Osagian (2)
-
Tournaisian (1)
-
-
Sunbury Shale (1)
-
Upper Mississippian
-
Chesterian (1)
-
Meramecian
-
Sainte Genevieve Limestone (1)
-
-
-
-
Pennsylvanian
-
Francis Creek Shale (1)
-
Lower Pennsylvanian (1)
-
Middle Pennsylvanian
-
Atokan (2)
-
Carbondale Formation (1)
-
Desmoinesian (1)
-
-
Saginaw Formation (3)
-
Upper Pennsylvanian (1)
-
-
-
Devonian
-
Cedar City Formation (1)
-
Lower Devonian
-
Oriskany Sandstone (1)
-
-
Middle Devonian
-
Columbus Limestone (2)
-
Delaware Limestone (1)
-
Detroit River Group (5)
-
Dundee Limestone (7)
-
Givetian (6)
-
Hamilton Group (2)
-
Marcellus Shale (1)
-
Onondaga Limestone (2)
-
Sylvania Formation (2)
-
Tioga Bentonite (1)
-
-
Traverse Group (15)
-
Upper Devonian
-
Famennian
-
Wabamun Group (1)
-
-
Nisku Formation (1)
-
Ohio Shale (1)
-
-
-
lower Paleozoic (2)
-
New Albany Shale (1)
-
Ordovician
-
Lower Ordovician
-
Prairie du Chien Group (6)
-
Shakopee Formation (1)
-
-
Middle Ordovician
-
Black River Group (5)
-
Galena Dolomite (2)
-
Glenwood Shale (2)
-
Platteville Formation (2)
-
Saint Peter Sandstone (4)
-
-
Trenton Group (9)
-
Upper Ordovician
-
Katian (1)
-
Maquoketa Formation (2)
-
Neda Formation (1)
-
Red River Formation (1)
-
Sandbian (1)
-
Trentonian (10)
-
-
Utica Shale (2)
-
-
Permian (3)
-
Silurian
-
Bass Islands Dolomite (1)
-
Lockport Formation (2)
-
Lower Silurian
-
Llandovery
-
Aeronian (1)
-
-
Wenlock (7)
-
-
Middle Silurian
-
Clinton Group (2)
-
Guelph Formation (1)
-
Racine Dolomite (7)
-
-
Niagaran (28)
-
Upper Silurian
-
Ludlow (1)
-
Salina Group (5)
-
-
-
upper Paleozoic
-
Antrim Shale (12)
-
Kaskaskia Sequence (1)
-
-
Woodford Shale (1)
-
-
Precambrian
-
Archean
-
Paleoarchean (1)
-
-
Biwabik Iron Formation (1)
-
Gunflint Iron Formation (1)
-
Hamersley Group (1)
-
Nonesuch Shale (4)
-
Sokoman Formation (1)
-
upper Precambrian
-
Proterozoic
-
Huronian (2)
-
Keweenawan
-
Copper Harbor Conglomerate (1)
-
Portage Lake Lava Series (2)
-
-
Mesoproterozoic
-
Freda Sandstone (1)
-
-
Negaunee Iron Formation (3)
-
Oronto Group (1)
-
Paleoproterozoic
-
Marquette Range Supergroup (3)
-
Michigamme Formation (2)
-
-
-
-
-
-
igneous rocks
-
igneous rocks
-
kimberlite (3)
-
plutonic rocks
-
diorites
-
tonalite (1)
-
-
granites (1)
-
lamproite (1)
-
lamprophyres (1)
-
pegmatite (1)
-
ultramafics
-
peridotites
-
harzburgite (1)
-
-
-
-
volcanic rocks
-
dacites (1)
-
rhyodacites (1)
-
-
-
ophiolite (1)
-
-
metamorphic rocks
-
metamorphic rocks
-
fulgurite (1)
-
gneisses (1)
-
metaigneous rocks
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Primary terms
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Tertiary
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chemical analysis (1)
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Chordata
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Mammalia
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Reptilia
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Thelodonti (1)
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Invertebrata
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Insecta
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Trilobitomorpha
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Brachiopoda
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Articulata
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Hydrozoa (1)
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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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Mollusca
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Porifera
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Stromatoporoidea (8)
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Protista
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Foraminifera (2)
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Vermes
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Annelida (2)
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isostasy (6)
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C-14 (17)
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Mesozoic
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Cretaceous
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Upper Cretaceous
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Belle Fourche Shale (1)
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Belly River Formation (1)
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Carlile Shale (1)
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Judith River Formation (1)
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Milk River Formation (1)
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-
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Jurassic
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Middle Jurassic
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Xishanyao Formation (1)
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Upper Jurassic
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Smackover Formation (1)
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metal ores
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Sr-87/Sr-86 (5)
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Nd-144/Nd-143 (1)
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oxygen
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O-18/O-16 (9)
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Pacific Ocean
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Juan de Fuca Ridge (1)
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North Pacific
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Juan de Fuca Ridge (1)
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Paleozoic
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Bedford Shale (1)
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Berea Sandstone (2)
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Cambrian
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Upper Cambrian
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Eau Claire Formation (3)
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Franconia Formation (2)
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Galesville Sandstone (3)
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Mount Simon Sandstone (2)
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Trempealeauan (1)
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-
-
Carboniferous
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Lower Carboniferous
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Dinantian (1)
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Mississippian
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Lower Mississippian
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Kinderhookian (1)
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Tournaisian (1)
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Sunbury Shale (1)
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Upper Mississippian
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Chesterian (1)
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Meramecian
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-
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Pennsylvanian
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Francis Creek Shale (1)
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Lower Pennsylvanian (1)
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Middle Pennsylvanian
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Atokan (2)
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Carbondale Formation (1)
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Desmoinesian (1)
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Saginaw Formation (3)
-
Upper Pennsylvanian (1)
-
-
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Devonian
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Cedar City Formation (1)
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Lower Devonian
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Oriskany Sandstone (1)
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Middle Devonian
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Columbus Limestone (2)
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Delaware Limestone (1)
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Detroit River Group (5)
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Dundee Limestone (7)
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Givetian (6)
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Hamilton Group (2)
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Marcellus Shale (1)
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Onondaga Limestone (2)
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Sylvania Formation (2)
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Tioga Bentonite (1)
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-
Traverse Group (15)
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Upper Devonian
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Famennian
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Wabamun Group (1)
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-
Nisku Formation (1)
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Ohio Shale (1)
-
-
-
lower Paleozoic (2)
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New Albany Shale (1)
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Ordovician
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Lower Ordovician
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Prairie du Chien Group (6)
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Shakopee Formation (1)
-
-
Middle Ordovician
-
Black River Group (5)
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Galena Dolomite (2)
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Glenwood Shale (2)
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Platteville Formation (2)
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Saint Peter Sandstone (4)
-
-
Trenton Group (9)
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Upper Ordovician
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Katian (1)
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Maquoketa Formation (2)
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Neda Formation (1)
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Red River Formation (1)
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Sandbian (1)
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Trentonian (10)
-
-
Utica Shale (2)
-
-
Permian (3)
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Silurian
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Bass Islands Dolomite (1)
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Lockport Formation (2)
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Lower Silurian
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Llandovery
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Aeronian (1)
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Wenlock (7)
-
-
Middle Silurian
-
Clinton Group (2)
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Guelph Formation (1)
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Racine Dolomite (7)
-
-
Niagaran (28)
-
Upper Silurian
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Ludlow (1)
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Salina Group (5)
-
-
-
upper Paleozoic
-
Antrim Shale (12)
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Kaskaskia Sequence (1)
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Woodford Shale (1)
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palynomorphs
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paragenesis (7)
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petrology (26)
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phase equilibria (2)
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phosphorus (1)
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Plantae
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algae
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Chlorophyta
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Chlorophyceae
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Dasycladaceae (1)
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Tasmanites (1)
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-
-
-
plate tectonics (2)
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pollution (11)
-
Precambrian
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Archean
-
Paleoarchean (1)
-
-
Biwabik Iron Formation (1)
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Gunflint Iron Formation (1)
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Hamersley Group (1)
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Nonesuch Shale (4)
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Sokoman Formation (1)
-
upper Precambrian
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Proterozoic
-
Huronian (2)
-
Keweenawan
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Copper Harbor Conglomerate (1)
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Portage Lake Lava Series (2)
-
-
Mesoproterozoic
-
Freda Sandstone (1)
-
-
Negaunee Iron Formation (3)
-
Oronto Group (1)
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Paleoproterozoic
-
Marquette Range Supergroup (3)
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Michigamme Formation (2)
-
-
-
-
-
problematic fossils (2)
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reefs (32)
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remote sensing (6)
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roads (1)
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sea-level changes (12)
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sedimentary petrology (37)
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sedimentary rocks
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carbonate rocks
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chemically precipitated rocks
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chert (4)
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evaporites
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iron formations
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banded iron formations (2)
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clastic rocks
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arenite
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black shale (6)
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soft sediment deformation
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turbidity current structures (1)
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sedimentation (53)
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South America
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Brazil (2)
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sulfur
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S-34/S-32 (2)
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United States
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