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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)
-
Morocco (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
-
Guangxi China (1)
-
Xinjiang China
-
Junggar Basin (1)
-
-
-
Taiwan (1)
-
-
Kyrgyzstan
-
Issyk-kul Lake (1)
-
-
-
Atlantic Ocean
-
North Atlantic
-
Gulf of Mexico
-
Orca Basin (1)
-
-
Northwest Atlantic (1)
-
-
-
Atlantic Ocean Islands
-
Falkland Islands (1)
-
-
Australasia
-
Australia
-
Western Australia
-
Yilgarn Craton (1)
-
-
-
New Zealand (1)
-
-
Avalon Zone (1)
-
Canada
-
Eastern Canada
-
Baffin Island (1)
-
James Bay (1)
-
Lake Timiskaming (1)
-
Maritime Provinces (2)
-
Newfoundland and Labrador
-
Newfoundland (1)
-
-
Ontario
-
Algoma District Ontario
-
Elliot Lake Ontario (1)
-
Mamainse Point (1)
-
Quirke Lake (1)
-
-
Bruce County Ontario (10)
-
Bruce Peninsula (15)
-
Essex County Ontario
-
Windsor Ontario (1)
-
-
Flack Lake (1)
-
Hemlo Deposit (2)
-
Kent County Ontario (1)
-
Lambton County Ontario (2)
-
Manitoulin District Ontario
-
Manitoulin Island (30)
-
-
Moose River basin (1)
-
Nipissing District Ontario (1)
-
Perth County Ontario (1)
-
Prince Edward County Ontario (1)
-
Simcoe County Ontario
-
Borden Ontario (1)
-
-
Sudbury Basin (1)
-
Sudbury igneous complex (3)
-
Sudbury Structure (2)
-
Thunder Bay District Ontario (1)
-
Timiskaming District Ontario
-
Cobalt Ontario (1)
-
-
Toronto Ontario (3)
-
Wellington County Ontario
-
Guelph Ontario (1)
-
-
-
Quebec
-
Anticosti Island (5)
-
Gaspe-Est County Quebec
-
Gaspe Quebec (1)
-
-
Montreal and Jesus Islands County Quebec
-
Montreal Quebec (1)
-
-
-
-
Labrador Trough (1)
-
Mackenzie Mountains (1)
-
Nunavut
-
Baffin Island (1)
-
-
Western Canada
-
Alberta
-
Alberta Basin (2)
-
Jasper National Park (1)
-
Peace River Arch (1)
-
-
Manitoba
-
Lake Winnipeg (1)
-
Nelson River (1)
-
Winnipeg Manitoba (1)
-
-
Northwest Territories (2)
-
Saskatchewan (1)
-
-
-
Cascadia subduction zone (1)
-
Central Basin (1)
-
Commonwealth of Independent States
-
Belarus
-
Zhitkovichi Belarus (1)
-
-
Kyrgyzstan
-
Issyk-kul Lake (1)
-
-
-
Eagle Lake (1)
-
East Pacific Ocean Islands
-
Hawaii (1)
-
-
Europe
-
Baltic region
-
Estonia (1)
-
-
Belarus
-
Zhitkovichi Belarus (1)
-
-
Central Europe
-
Czech Republic
-
Bohemia (1)
-
-
Germany (2)
-
-
Southern Europe
-
Iberian Peninsula
-
Iberian pyrite belt (1)
-
Portugal
-
Algarve (1)
-
-
Spain
-
Andalusia Spain (1)
-
-
-
-
Western Europe
-
France
-
Saone-et-Loire France (1)
-
-
United Kingdom
-
Great Britain
-
England
-
Devon England (1)
-
-
-
-
-
-
Georgian Bay (9)
-
Green Bay (3)
-
Lake Nipissing (8)
-
Lake Saint Clair (3)
-
Mexico
-
Mexico state
-
Federal District Mexico
-
Mexico City Mexico (1)
-
-
-
Zacatecas Mexico (1)
-
-
Middle Valley (1)
-
Mill Creek (1)
-
Mustang Island (1)
-
North America
-
Appalachian Basin (8)
-
Appalachians
-
Appalachian Plateau (1)
-
Central Appalachians (1)
-
-
Canadian Shield
-
Grenville Province
-
Central Gneiss Belt (1)
-
Central Metasedimentary Belt (2)
-
-
Southern Province (3)
-
Superior Province
-
Abitibi Belt (2)
-
Kapuskasing Zone (1)
-
-
-
Detroit River (3)
-
Great Lakes
-
Lake Erie (48)
-
Lake Huron (39)
-
Lake Michigan (77)
-
Lake Ontario (18)
-
Lake Superior (18)
-
-
Great Lakes region (208)
-
Great Plains
-
Northern Great Plains (1)
-
Southern Great Plains (1)
-
-
Grenville Front (5)
-
Gulf Coastal Plain (1)
-
Keweenawan Rift (10)
-
Lake Superior region (33)
-
Michigan Basin (138)
-
Niagara Escarpment (3)
-
Niagara River (3)
-
Saint Lawrence Lowlands (1)
-
Saint Lawrence River (1)
-
Saint Lawrence Valley (3)
-
Western Interior (1)
-
Williston Basin (1)
-
-
Oceania
-
Melanesia
-
New Caledonia (1)
-
-
Polynesia
-
Hawaii (1)
-
-
-
Ottawa River (1)
-
Pacific Ocean
-
East Pacific
-
Northeast Pacific
-
Juan de Fuca Ridge (1)
-
-
-
North Pacific
-
Northeast Pacific
-
Juan de Fuca Ridge (1)
-
-
-
-
Plum Island (1)
-
Presque Isle (2)
-
San Juan Basin (1)
-
Santa Clara Valley (1)
-
Searles Lake (1)
-
Silver Lake (1)
-
South America
-
Brazil
-
Minas Gerais Brazil
-
Quadrilatero Ferrifero (1)
-
-
-
Falkland Islands (1)
-
-
United States
-
Alaska
-
Brooks Range (1)
-
-
Allegheny Plateau (2)
-
Arizona
-
Pima County Arizona
-
Tucson Arizona (1)
-
-
Yuma County Arizona (1)
-
-
Arkansas (2)
-
Atlantic Coastal Plain
-
Southern Atlantic Coastal Plain (1)
-
-
California
-
Los Angeles County California
-
Los Angeles California (1)
-
-
San Francisco Bay region (1)
-
San Joaquin Valley (1)
-
Santa Clara County California
-
San Jose California (1)
-
-
-
Carolina Bays (1)
-
Cheyenne Belt (1)
-
Cincinnati Arch (2)
-
Colorado (4)
-
Colorado Plateau (2)
-
Connecticut (2)
-
Eastern U.S. (3)
-
Florida
-
Florida Keys
-
Key Largo (1)
-
-
Monroe County Florida
-
Key Largo (1)
-
-
-
Georgia
-
Dade County Georgia (1)
-
-
Hawaii (1)
-
Illinois
-
Boone County Illinois (1)
-
Bureau County Illinois (1)
-
Calhoun County Illinois (1)
-
Cook County Illinois
-
Chicago Illinois (11)
-
-
De Witt County Illinois (1)
-
DeKalb County Illinois (5)
-
DuPage County Illinois (5)
-
Fayette County Illinois (1)
-
Grundy County Illinois (9)
-
Jersey County Illinois (1)
-
Kane County Illinois (3)
-
Kankakee County Illinois (12)
-
Kendall County Illinois (1)
-
La Salle County Illinois (6)
-
Lake County Illinois (3)
-
Mazon Creek (13)
-
McHenry County Illinois (7)
-
Putnam County Illinois (1)
-
Vermilion County Illinois (2)
-
Will County Illinois (14)
-
Winnebago County Illinois (1)
-
-
Illinois Basin (8)
-
Indiana
-
Allen County Indiana (5)
-
Blackford County Indiana (1)
-
Howard County Indiana (1)
-
Jackson County Indiana (1)
-
Jasper County Indiana (1)
-
Lagrange County Indiana (1)
-
Lake County Indiana (1)
-
Newton County Indiana (1)
-
Parke County Indiana (2)
-
Porter County Indiana (2)
-
Pulaski County Indiana (1)
-
Steuben County Indiana (1)
-
Vermillion County Indiana (1)
-
Vigo County Indiana (1)
-
-
Iowa
-
Clayton County Iowa (1)
-
Floyd County Iowa (1)
-
Jackson County Iowa (1)
-
Jones County Iowa (1)
-
-
Kansas
-
Bourbon County Kansas (1)
-
Douglas County Kansas (1)
-
Meade County Kansas (1)
-
Reno County Kansas
-
Hutchinson Kansas (1)
-
-
-
Kentucky
-
Franklin County Kentucky (1)
-
-
Louisiana (1)
-
Maine
-
Hancock County Maine (1)
-
-
Maryland
-
Anne Arundel County Maryland (1)
-
-
Massachusetts (4)
-
Michigan
-
Michigan Lower Peninsula
-
Alcona County Michigan (1)
-
Allegan County Michigan (9)
-
Alpena County Michigan (8)
-
Antrim County Michigan (1)
-
Arenac County Michigan (5)
-
Barry County Michigan (1)
-
Bay County Michigan (7)
-
Benzie County Michigan (1)
-
Berrien County Michigan (7)
-
Branch County Michigan (1)
-
Calhoun County Michigan (2)
-
Cass County Michigan (1)
-
Charlevoix County Michigan (3)
-
Cheboygan County Michigan (6)
-
Clare County Michigan (1)
-
Clinton County Michigan (1)
-
Crawford County Michigan (1)
-
Eaton County Michigan (6)
-
Emmet County Michigan (7)
-
Gladwin County Michigan (4)
-
Grand Traverse County Michigan (3)
-
Gratiot County Michigan (1)
-
Huron County Michigan (1)
-
Ingham County Michigan (3)
-
Ionia County Michigan (5)
-
Iosco County Michigan (2)
-
Isabella County Michigan (1)
-
Jackson County Michigan (1)
-
Kalamazoo County Michigan (3)
-
Kalkaska County Michigan (1)
-
Kent County Michigan (2)
-
Lansing Michigan (1)
-
Lapeer County Michigan (1)
-
Leelanau County Michigan (1)
-
Livingston County Michigan (3)
-
Macomb County Michigan (5)
-
Manistee County Michigan (4)
-
Mecosta County Michigan (1)
-
Midland County Michigan (4)
-
Missaukee County Michigan (1)
-
Montcalm County Michigan (2)
-
Montmorency County Michigan (2)
-
Muskegon County Michigan (4)
-
Oakland County Michigan (1)
-
Ogemaw County Michigan (2)
-
Osceola County Michigan (1)
-
Oscoda County Michigan (3)
-
Otsego County Michigan (4)
-
Ottawa County Michigan (6)
-
Presque Isle County Michigan (5)
-
Roscommon County Michigan (1)
-
Saginaw County Michigan (4)
-
Saint Clair County Michigan (4)
-
Sanilac County Michigan (2)
-
Tuscola County Michigan (2)
-
Van Buren County Michigan (4)
-
Washtenaw County Michigan
-
Ann Arbor Michigan (2)
-
-
Wayne County Michigan (4)
-
-
Michigan Upper Peninsula
-
Alger County Michigan (1)
-
Chippewa County Michigan (5)
-
Delta County Michigan (6)
-
Dickinson County Michigan (2)
-
Gogebic County Michigan (4)
-
Iron County Michigan (1)
-
Luce County Michigan (1)
-
Mackinac County Michigan (4)
-
Marquette County Michigan (2)
-
Menominee County Michigan (3)
-
Ontonagon County Michigan (1)
-
Schoolcraft County Michigan (5)
-
-
-
Midcontinent (15)
-
Midcontinent geophysical anomaly (1)
-
Midwest (15)
-
Minnesota
-
Cook County Minnesota (3)
-
Dakota County Minnesota (1)
-
Duluth Complex (1)
-
Lake County Minnesota (2)
-
Minnesota River valley (1)
-
Saint Louis County Minnesota (2)
-
-
Mississippi
-
Hinds County Mississippi (1)
-
-
Mississippi Valley
-
Upper Mississippi Valley (1)
-
-
Missouri
-
Boone County Missouri (1)
-
Crawford County Missouri (1)
-
Jefferson County Missouri (1)
-
Saint Louis County Missouri
-
Saint Louis Missouri (1)
-
-
-
Montana (4)
-
Nebraska (2)
-
Nevada
-
Humboldt County Nevada
-
Getchell Mine (1)
-
-
-
New England (3)
-
New Hampshire (2)
-
New Jersey (1)
-
New Madrid region (2)
-
New Mexico (1)
-
New York
-
Broome County New York
-
Binghamton New York (1)
-
-
Erie County New York (4)
-
Genesee County New York (1)
-
Livingston County New York (2)
-
Monroe County New York
-
Rochester New York (1)
-
-
New York City New York (1)
-
Niagara County New York (2)
-
Onondaga County New York (1)
-
Ontario County New York (1)
-
Schoharie County New York (1)
-
Seneca County New York (1)
-
Yates County New York (1)
-
-
North Carolina
-
Beaufort County North Carolina (1)
-
-
North Dakota (1)
-
Ohio
-
Allen County Ohio (3)
-
Ashland County Ohio (3)
-
Ashtabula County Ohio (7)
-
Auglaize County Ohio (1)
-
Butler County Ohio (2)
-
Columbiana County Ohio (1)
-
Cuyahoga County Ohio
-
Cleveland Ohio (5)
-
-
Delaware County Ohio (2)
-
Erie County Ohio (9)
-
Franklin County Ohio (1)
-
Geauga County Ohio (2)
-
Greene County Ohio (1)
-
Hamilton County Ohio (1)
-
Hancock County Ohio (3)
-
Holmes County Ohio (1)
-
Huron County Ohio (4)
-
Jefferson County Ohio (1)
-
Lake County Ohio (11)
-
Lorain County Ohio (5)
-
Lucas County Ohio
-
Toledo Ohio (2)
-
-
Mahoning County Ohio (1)
-
Medina County Ohio (8)
-
Mercer County Ohio (1)
-
Morrow County Ohio (1)
-
Ottawa County Ohio (5)
-
Paulding County Ohio (2)
-
Portage County Ohio (7)
-
Sandusky County Ohio (4)
-
Sandusky River basin (1)
-
Seneca County Ohio (1)
-
Shelby County Ohio (1)
-
Stark County Ohio (1)
-
Summit County Ohio
-
Akron Ohio (2)
-
-
Tuscarawas County Ohio (1)
-
Van Wert County Ohio (1)
-
Wood County Ohio (6)
-
Wyandot County Ohio (1)
-
-
Oklahoma
-
Meers Fault (1)
-
-
Oregon
-
Wheeler County Oregon (1)
-
-
Pennsylvania
-
Berks County Pennsylvania (1)
-
Erie County Pennsylvania (3)
-
Huntingdon County Pennsylvania (1)
-
-
Powder River basin (1)
-
Tennessee
-
Claiborne County Tennessee (1)
-
Hamilton County Tennessee (1)
-
Humphreys County Tennessee (1)
-
Perry County Tennessee (1)
-
Shelby County Tennessee
-
Memphis Tennessee (1)
-
-
-
Texas (7)
-
Utah (3)
-
Virginia
-
Wythe County Virginia (1)
-
-
Washington
-
Ferry County Washington (1)
-
Hanford Site (1)
-
King County Washington
-
Seattle Washington (1)
-
-
-
West Virginia
-
Monongalia County West Virginia (1)
-
-
Wisconsin
-
Ashland County Wisconsin (2)
-
Brown County Wisconsin (3)
-
Calumet County Wisconsin (3)
-
Columbia County Wisconsin (1)
-
Dane County Wisconsin (1)
-
Dodge County Wisconsin (1)
-
Door County Wisconsin (4)
-
Door Peninsula (2)
-
Florence County Wisconsin (3)
-
Fond du Lac County Wisconsin (2)
-
Forest County Wisconsin (3)
-
Grant County Wisconsin (1)
-
Green County Wisconsin (1)
-
Iron County Wisconsin (1)
-
Kenosha County Wisconsin (3)
-
Kewaunee County Wisconsin (2)
-
Langlade County Wisconsin (1)
-
Manitowoc County Wisconsin (6)
-
Marathon County Wisconsin (1)
-
Marinette County Wisconsin (3)
-
Menominee County Wisconsin (3)
-
Milwaukee County Wisconsin
-
Milwaukee Wisconsin (11)
-
-
Oconto County Wisconsin (1)
-
Outagamie County Wisconsin (1)
-
Portage County Wisconsin (1)
-
Racine County Wisconsin (3)
-
Sawyer County Wisconsin (1)
-
Shawano County Wisconsin (3)
-
Walworth County Wisconsin (2)
-
Waukesha County Wisconsin (11)
-
Waupaca County Wisconsin (1)
-
Winnebago County Wisconsin (2)
-
Wolf River Batholith (4)
-
-
Wyoming (3)
-
-
USSR (1)
-
-
commodities
-
abrasives (1)
-
aggregate (1)
-
bitumens (3)
-
brines (17)
-
construction materials
-
building stone (2)
-
dimension stone (1)
-
-
diamond deposits (2)
-
dolostone deposits (1)
-
energy sources (27)
-
gems (1)
-
geothermal energy (1)
-
gypsum deposits (1)
-
industrial minerals (1)
-
limestone deposits (2)
-
metal ores
-
base metals (2)
-
chromite ores (1)
-
copper ores (13)
-
gold ores (3)
-
iron ores (13)
-
lead ores (1)
-
lead-zinc deposits (2)
-
molybdenum ores (1)
-
nickel ores (3)
-
platinum ores (2)
-
polymetallic ores (1)
-
pyrite ores (1)
-
rare earth deposits (1)
-
uranium ores (2)
-
zinc ores (2)
-
-
mineral deposits, genesis (50)
-
mineral exploration (11)
-
mineral resources (3)
-
oil and gas fields (39)
-
ornamental materials (1)
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petroleum
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natural gas
-
coalbed methane (3)
-
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-
salt deposits (1)
-
water resources (7)
-
-
elements, isotopes
-
boron (1)
-
carbon
-
C-13/C-12 (25)
-
C-14 (38)
-
organic carbon (3)
-
-
chemical ratios (1)
-
halogens
-
bromine
-
bromide ion (2)
-
-
chlorine
-
chloride ion (5)
-
-
fluorine
-
fluoride ion (1)
-
-
-
hydrogen
-
D/H (6)
-
deuterium (6)
-
tritium (1)
-
-
isotope ratios (38)
-
isotopes
-
radioactive isotopes
-
Al-26 (1)
-
Ar-40/Ar-39 (1)
-
Be-10 (1)
-
C-14 (38)
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Pb-206/Pb-204 (2)
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Pb-207/Pb-204 (2)
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Pb-208/Pb-204 (2)
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Rn-222 (1)
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Sm-147/Nd-144 (1)
-
tritium (1)
-
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stable isotopes
-
Ar-40/Ar-39 (1)
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C-13/C-12 (25)
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D/H (6)
-
deuterium (6)
-
He-4/He-3 (1)
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Nd-144/Nd-143 (4)
-
O-18/O-16 (27)
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Os-188/Os-187 (1)
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Pb-206/Pb-204 (2)
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Pb-207/Pb-204 (2)
-
Pb-208/Pb-204 (2)
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S-34/S-32 (7)
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Sm-147/Nd-144 (1)
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Sr-87/Sr-86 (10)
-
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metals
-
alkali metals
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potassium (1)
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sodium (1)
-
-
alkaline earth metals
-
beryllium
-
Be-10 (1)
-
-
magnesium (1)
-
strontium
-
Sr-87/Sr-86 (10)
-
-
-
aluminum
-
Al-26 (1)
-
-
antimony (1)
-
arsenic (3)
-
cadmium (1)
-
chromium (2)
-
copper (22)
-
gold (3)
-
iron
-
ferric iron (2)
-
ferrous iron (1)
-
-
lead
-
Pb-206/Pb-204 (2)
-
Pb-207/Pb-204 (2)
-
Pb-208/Pb-204 (2)
-
-
manganese (3)
-
mercury (2)
-
molybdenum (2)
-
nickel (2)
-
platinum group
-
osmium
-
Os-188/Os-187 (1)
-
-
platinum ores (2)
-
-
rare earths
-
neodymium
-
Nd-144/Nd-143 (4)
-
Sm-147/Nd-144 (1)
-
-
samarium
-
Sm-147/Nd-144 (1)
-
-
-
rhenium (1)
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silver (1)
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thallium (1)
-
zinc (3)
-
-
nitrogen (4)
-
noble gases
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argon
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Ar-40/Ar-39 (1)
-
-
helium
-
He-4/He-3 (1)
-
-
radon
-
Rn-222 (1)
-
-
-
oxygen
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O-18/O-16 (27)
-
-
phosphorus (7)
-
silicon (1)
-
sulfur
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S-34/S-32 (7)
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-
trace metals (1)
-
-
fossils
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Archaea (2)
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bacteria
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coliform bacteria
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Escherichia
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Escherichia coli (1)
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-
-
-
borings (5)
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burrows (3)
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Chordata
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Vertebrata
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Agnatha
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Heterostraci (1)
-
-
Pisces
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Chondrichthyes
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-
-
Osteichthyes
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Sarcopterygii (2)
-
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Placodermi
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Arthrodira (1)
-
-
-
Tetrapoda
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Amphibia
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Labyrinthodontia
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Temnospondyli (1)
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Lepospondyli (1)
-
-
Mammalia
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Theria
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Eutheria
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Artiodactyla
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Ruminantia
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Bovidae (1)
-
-
-
Proboscidea
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Mastodontoidea (4)
-
-
-
-
-
Reptilia
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Anapsida
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Testudines
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Cryptodira (1)
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Emydidae (1)
-
-
-
-
-
Thelodonti (1)
-
-
-
fungi (1)
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Graptolithina
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Dendroidea (1)
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Graptoloidea (1)
-
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ichnofossils (12)
-
Invertebrata
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Arthropoda
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Chelicerata
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Merostomata
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Eurypterida (1)
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Xiphosura (1)
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-
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Mandibulata
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Crustacea
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Malacostraca (2)
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Ostracoda (16)
-
-
Insecta
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Pterygota
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Neoptera
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Endopterygota
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Coleoptera (4)
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Diptera
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Chironomidae (1)
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Trichoptera (1)
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-
-
-
-
Myriapoda (2)
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-
Trilobitomorpha
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Trilobita
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Lichida (1)
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Phacopida (4)
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Ptychopariida
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Proetidae (1)
-
-
-
-
-
Brachiopoda
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Articulata
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Orthida (3)
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Pentamerida
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Pentameracea (2)
-
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Spiriferida
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Atrypidae (1)
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-
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Inarticulata (1)
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Bryozoa
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Trepostomata (1)
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Cnidaria
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Anthozoa
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Zoantharia
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Rugosa (4)
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Tabulata (5)
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-
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Hydrozoa (2)
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Scyphozoa
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Conulariida (2)
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-
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Echinodermata
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Crinozoa
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Crinoidea (8)
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Echinozoa
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Edrioasteroidea (1)
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-
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Mollusca
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Bivalvia
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Palaeoheterodonta
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Unionidae (1)
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-
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Cephalopoda
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Nautiloidea (1)
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Gastropoda
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Archaeogastropoda (1)
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Hyolithes (1)
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Polyplacophora (2)
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Tentaculitida (3)
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Porifera
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Protista
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Foraminifera (3)
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Vermes
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Annelida (8)
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scolecodonts (1)
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-
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microfossils
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Chitinozoa (4)
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Conodonta
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Icriodus (3)
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Panderodus (2)
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Polygnathus (2)
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Spathognathodus (1)
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scolecodonts (1)
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palynomorphs
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acritarchs (3)
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Chitinozoa (4)
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megaspores (1)
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miospores
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pollen (14)
-
-
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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 (2)
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Tasmanites (1)
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-
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Bryophyta (2)
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Pteridophyta
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Lycopsida (1)
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Spermatophyta
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Angiospermae
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Dicotyledoneae
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Carya (1)
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Quercus (1)
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Ulmus (1)
-
-
-
Gymnospermae
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Coniferales
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Picea (1)
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Pinaceae
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Abies (1)
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Pinus (1)
-
-
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Cordaitales
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Cordaites (1)
-
-
-
-
-
problematic fossils (5)
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thallophytes (6)
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trails (1)
-
-
geochronology methods
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Ar/Ar (1)
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exposure age (1)
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fission-track dating (1)
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K/Ar (4)
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optically stimulated luminescence (8)
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paleomagnetism (17)
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Pb/Pb (4)
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Rb/Sr (9)
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Re/Os (2)
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Sm/Nd (5)
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tephrochronology (1)
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U/Pb (11)
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U/Th/Pb (2)
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-
geologic age
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Cenozoic
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Quaternary
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Holocene
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lower Holocene (11)
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upper Holocene (8)
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Pleistocene
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Champlain Sea (1)
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Glasford Formation (1)
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Illinoian (2)
-
Lake Agassiz (6)
-
Lake Algonquin (12)
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Lake Chicago (6)
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Lake Maumee (2)
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middle Pleistocene (1)
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upper Pleistocene
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Lake Iroquois (2)
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Sangamonian (2)
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Twocreekan (4)
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Weichselian
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upper Weichselian
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Younger Dryas (3)
-
-
-
Wisconsinan
-
Lavery Till (1)
-
lower Wisconsinan (1)
-
upper Wisconsinan (6)
-
Woodfordian (4)
-
-
-
Wedron Formation (1)
-
-
upper Quaternary (12)
-
-
Tertiary
-
Neogene
-
Miocene (1)
-
-
Paleogene
-
Eocene
-
upper Eocene
-
Yazoo Clay (1)
-
-
-
-
-
-
Laurentide ice sheet (25)
-
Mesozoic
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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 (2)
-
-
Upper Jurassic
-
Smackover Formation (1)
-
-
-
-
MIS 2 (2)
-
MIS 5 (1)
-
Paleozoic
-
Bedford Shale (1)
-
Berea Sandstone (7)
-
Cambrian
-
Upper Cambrian
-
Eau Claire Formation (3)
-
Franconia Formation (2)
-
Galesville Sandstone (3)
-
Mount Simon Sandstone (3)
-
Trempealeauan (1)
-
-
-
Carboniferous
-
Lower Carboniferous
-
Dinantian (1)
-
-
Mississippian
-
Lower Mississippian
-
Cuyahoga Formation (3)
-
Kinderhookian (3)
-
Osagian
-
Burlington Limestone (1)
-
-
Tournaisian (1)
-
-
Middle Mississippian (1)
-
Sunbury Shale (2)
-
Upper Mississippian
-
Chesterian (1)
-
Meramecian
-
Sainte Genevieve Limestone (1)
-
-
-
-
Pennsylvanian
-
Francis Creek Shale (10)
-
Lower Pennsylvanian (1)
-
Middle Pennsylvanian
-
Atokan (2)
-
Carbondale Formation (8)
-
Desmoinesian
-
Cabaniss Formation (1)
-
-
Moscovian (1)
-
Staunton Formation (2)
-
-
Pottsville Group (3)
-
Saginaw Formation (3)
-
Sharon Conglomerate (2)
-
Upper Pennsylvanian
-
Missourian (1)
-
-
-
Upper Carboniferous
-
Stephanian (1)
-
Westphalian (2)
-
-
-
Devonian
-
Cedar City Formation (1)
-
Lower Devonian
-
Emsian (3)
-
Manlius Formation (1)
-
Oriskany Sandstone (1)
-
-
Middle Devonian
-
Columbus Limestone (7)
-
Couvinian (1)
-
Delaware Limestone (4)
-
Detroit River Group (8)
-
Dundee Limestone (12)
-
Eifelian (6)
-
Givetian (15)
-
Hamilton Group (7)
-
Ludlowville Formation (2)
-
Marcellus Shale (1)
-
Moscow Formation (2)
-
Onondaga Limestone (3)
-
Sylvania Formation (2)
-
Tioga Bentonite (1)
-
-
Miette Complex (1)
-
Traverse Group (19)
-
Upper Devonian
-
Cleveland Member (2)
-
Famennian
-
Wabamun Group (1)
-
-
Frasnian (2)
-
Huron Member (2)
-
Nisku Formation (1)
-
Ohio Shale (7)
-
Olentangy Shale (1)
-
-
-
Ellis Bay Formation (1)
-
lower Paleozoic
-
Conococheague Formation (1)
-
-
New Albany Shale (1)
-
Ordovician
-
Lexington Limestone (1)
-
Lower Ordovician
-
Prairie du Chien Group (7)
-
Shakopee Formation (1)
-
-
Middle Ordovician
-
Black River Group (9)
-
Galena Dolomite (2)
-
Glenwood Shale (3)
-
Platteville Formation (2)
-
Saint Peter Sandstone (9)
-
-
Trenton Group (16)
-
Upper Ordovician
-
Ashgillian (5)
-
Caradocian (1)
-
Cincinnatian (3)
-
Hirnantian (3)
-
Katian (3)
-
Lorraine Group (1)
-
Maquoketa Formation (4)
-
Neda Formation (1)
-
Queenston Shale (5)
-
Red River Formation (1)
-
Sandbian (1)
-
Trentonian (17)
-
-
Utica Shale (4)
-
-
Permian (4)
-
Silurian
-
Bass Islands Dolomite (3)
-
Lockport Formation (6)
-
Lower Silurian
-
Alexandrian (1)
-
Brassfield Formation (1)
-
Llandovery
-
Aeronian (1)
-
Rhuddanian (2)
-
Telychian (1)
-
-
Wenlock (12)
-
Whirlpool Sandstone (1)
-
-
Middle Silurian
-
Clinton Group (4)
-
Guelph Formation (4)
-
Racine Dolomite (10)
-
Rochester Formation (1)
-
-
Niagaran (49)
-
Upper Silurian
-
Cayugan (2)
-
Ludlow (2)
-
Salina Group (12)
-
-
-
upper Paleozoic
-
Antrim Shale (15)
-
Kaskaskia Sequence (1)
-
-
Woodford Shale (1)
-
-
Phanerozoic (1)
-
Precambrian
-
Archean
-
Paleoarchean (1)
-
-
Biwabik Iron Formation (1)
-
Espanola Formation (2)
-
Gunflint Iron Formation (1)
-
Hamersley Group (1)
-
middle Precambrian (1)
-
Nipissing Diabase (1)
-
Nonesuch Shale (4)
-
North Shore Volcanics (2)
-
Sokoman Formation (1)
-
upper Precambrian
-
Proterozoic
-
Algonkian
-
Baraboo Quartzite (1)
-
-
Huronian
-
Gowganda Formation (4)
-
-
Keweenawan
-
Copper Harbor Conglomerate (2)
-
Portage Lake Lava Series (3)
-
-
Lorrain Formation (1)
-
Mesoproterozoic
-
Freda Sandstone (1)
-
-
Negaunee Iron Formation (3)
-
Neoproterozoic (3)
-
Oronto Group (1)
-
Paleoproterozoic
-
Marquette Range Supergroup (2)
-
Michigamme Formation (2)
-
Thomson Formation (2)
-
-
-
-
-
-
igneous rocks
-
igneous rocks
-
carbonatites (1)
-
granophyre (3)
-
kimberlite (3)
-
picrite (2)
-
plutonic rocks
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diabase (1)
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diorites
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quartz diorites (1)
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tonalite (4)
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trondhjemite (1)
-
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gabbros (1)
-
granites
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alaskite (1)
-
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granodiorites (1)
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lamproite (1)
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lamprophyres (2)
-
pegmatite (1)
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quartz monzonite (2)
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syenites (2)
-
ultramafics
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peridotites
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harzburgite (1)
-
-
-
-
porphyry (1)
-
volcanic rocks
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basalts
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flood basalts (1)
-
olivine tholeiite (1)
-
-
dacites (1)
-
pyroclastics
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tuff (1)
-
-
rhyodacites (1)
-
rhyolites (3)
-
-
-
ophiolite (1)
-
-
metamorphic rocks
-
metamorphic rocks
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amphibolites (1)
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fulgurite (1)
-
gneisses (8)
-
granulites (1)
-
metaigneous rocks
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metabasalt (1)
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metagranite (1)
-
-
metaplutonic rocks (1)
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metasedimentary rocks (7)
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metasomatic rocks
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skarn (1)
-
-
metavolcanic rocks (3)
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mylonites (1)
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quartzites (5)
-
schists
-
greenstone (1)
-
-
slates (2)
-
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ophiolite (1)
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turbidite (1)
-
-
meteorites
-
meteorites (1)
-
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minerals
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alloys
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silicides (1)
-
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antimonates (1)
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arsenates (1)
-
arsenides
-
rammelsbergite (1)
-
-
carbonates
-
calcite (11)
-
dolomite (13)
-
siderite (2)
-
-
halides
-
chlorides
-
halite (6)
-
sylvite (1)
-
-
fluorides
-
fluorite (2)
-
-
-
minerals (12)
-
native elements
-
diamond (1)
-
graphite (1)
-
-
oxides
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birnessite (1)
-
diaspore (1)
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ferrihydrite (2)
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goethite (2)
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hematite (1)
-
hydroxides
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iron hydroxides (2)
-
oxyhydroxides (2)
-
-
iron oxides (1)
-
magnetite (4)
-
manganese oxides (1)
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martite (1)
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titanium oxides (1)
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todorokite (1)
-
-
phosphates
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monazite (1)
-
-
silicates
-
chain silicates
-
amphibole group
-
clinoamphibole
-
hornblende (1)
-
-
-
pyroxene group (2)
-
-
framework silicates
-
feldspar group
-
alkali feldspar
-
K-feldspar (1)
-
microcline (1)
-
sanidine (1)
-
-
-
silica minerals
-
amethyst (1)
-
cristobalite (1)
-
quartz (7)
-
-
-
orthosilicates
-
nesosilicates
-
garnet group (2)
-
zircon group
-
zircon (14)
-
-
-
sorosilicates
-
pumpellyite group
-
pumpellyite (1)
-
-
-
-
ring silicates
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tourmaline group (1)
-
-
sheet silicates
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chlorite group
-
chlorite (3)
-
-
clay minerals
-
halloysite (1)
-
kaolinite (5)
-
nontronite (1)
-
smectite (1)
-
vermiculite (2)
-
-
illite (3)
-
mica group
-
biotite (1)
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glauconite (1)
-
-
pyrophyllite (1)
-
sericite (1)
-
stilpnomelane (1)
-
talc (1)
-
-
-
sulfates
-
anhydrite (9)
-
gypsum (5)
-
jarosite (1)
-
mirabilite (2)
-
-
sulfides
-
galena (2)
-
greenockite (1)
-
greigite (1)
-
millerite (1)
-
pyrite (4)
-
sphalerite (2)
-
-
sulfosalts (1)
-
-
Primary terms
-
absolute age (62)
-
academic institutions (1)
-
Africa
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Congo Craton (1)
-
East Africa
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Lake Malawi (1)
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East African Lakes
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Lake Malawi (1)
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North Africa
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Libya (1)
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Morocco (1)
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Southern Africa
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South Africa
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Bushveld Complex (1)
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Transvaal region (1)
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West Africa
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Asia
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Far East
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China
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Xinjiang China
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Junggar Basin (1)
-
-
-
Taiwan (1)
-
-
Kyrgyzstan
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Issyk-kul Lake (1)
-
-
-
Atlantic Ocean
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North Atlantic
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Gulf of Mexico
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Orca Basin (1)
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Northwest Atlantic (1)
-
-
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Atlantic Ocean Islands
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Falkland Islands (1)
-
-
atmosphere (3)
-
Australasia
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Australia
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Western Australia
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Yilgarn Craton (1)
-
-
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New Zealand (1)
-
-
bacteria
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coliform bacteria
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Escherichia
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Escherichia coli (1)
-
-
-
-
bibliography (5)
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biogeography (11)
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biography (2)
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bitumens (3)
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boron (1)
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brines (17)
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Canada
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Lake Timiskaming (1)
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Maritime Provinces (2)
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Newfoundland and Labrador
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Ontario
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Algoma District Ontario
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Elliot Lake Ontario (1)
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Mamainse Point (1)
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Quirke Lake (1)
-
-
Bruce County Ontario (10)
-
Bruce Peninsula (15)
-
Essex County Ontario
-
Windsor Ontario (1)
-
-
Flack Lake (1)
-
Hemlo Deposit (2)
-
Kent County Ontario (1)
-
Lambton County Ontario (2)
-
Manitoulin District Ontario
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Manitoulin Island (30)
-
-
Moose River basin (1)
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Nipissing District Ontario (1)
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Perth County Ontario (1)
-
Prince Edward County Ontario (1)
-
Simcoe County Ontario
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Borden Ontario (1)
-
-
Sudbury Basin (1)
-
Sudbury igneous complex (3)
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Sudbury Structure (2)
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Thunder Bay District Ontario (1)
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Timiskaming District Ontario
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Cobalt Ontario (1)
-
-
Toronto Ontario (3)
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Wellington County Ontario
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Guelph Ontario (1)
-
-
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Quebec
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Anticosti Island (5)
-
Gaspe-Est County Quebec
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Gaspe Quebec (1)
-
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Montreal and Jesus Islands County Quebec
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Montreal Quebec (1)
-
-
-
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Labrador Trough (1)
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Nunavut
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Baffin Island (1)
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Western Canada
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Alberta
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Alberta Basin (2)
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Jasper National Park (1)
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Peace River Arch (1)
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Manitoba
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Lake Winnipeg (1)
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Nelson River (1)
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Winnipeg Manitoba (1)
-
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Northwest Territories (2)
-
Saskatchewan (1)
-
-
-
carbon
-
C-13/C-12 (25)
-
C-14 (38)
-
organic carbon (3)
-
-
catalogs (1)
-
Cenozoic
-
Quaternary
-
Holocene
-
lower Holocene (11)
-
upper Holocene (8)
-
-
Pleistocene
-
Champlain Sea (1)
-
Glasford Formation (1)
-
Illinoian (2)
-
Lake Agassiz (6)
-
Lake Algonquin (12)
-
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