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NARROW
Format
Article Type
Journal
Publisher
Section
GeoRef Subject
-
all geography including DSDP/ODP Sites and Legs
-
Africa
-
North Africa
-
Morocco (1)
-
-
Southern Africa
-
South Africa (1)
-
-
West Africa
-
Nigeria
-
Niger Delta (1)
-
-
-
-
Amelia (2)
-
Antarctica
-
Antarctic ice sheet
-
East Antarctic ice sheet (1)
-
-
-
Arctic Ocean
-
Mendeleyev Ridge (1)
-
-
Asia
-
Arabian Peninsula
-
Saudi Arabia (1)
-
-
Central Asia
-
Kazakhstan (1)
-
-
Far East
-
Borneo
-
East Malaysia
-
Sarawak Malaysia (1)
-
-
-
China (4)
-
Indonesia
-
Java (1)
-
-
Japan (1)
-
Laos (1)
-
Malaysia
-
East Malaysia
-
Sarawak Malaysia (1)
-
-
-
-
Indian Peninsula
-
India (4)
-
Kohistan (1)
-
Pakistan (1)
-
-
Middle East
-
Zagros (1)
-
-
Popigay Structure (3)
-
-
Atlantic Ocean
-
North Atlantic
-
Baltimore Canyon (1)
-
Baltimore Canyon Trough (2)
-
Georges Bank (2)
-
Great Meteor Seamount (1)
-
Gulf of Mexico (6)
-
Long Island Sound (1)
-
North Sea (2)
-
Northwest Atlantic (9)
-
Wilmington Canyon (3)
-
-
-
Atlantic Ocean Islands
-
Bermuda (1)
-
-
Atlantic region (2)
-
Australasia
-
Australia (4)
-
New Zealand
-
Otago New Zealand
-
Oamaru New Zealand (1)
-
-
-
-
Avalon Zone (2)
-
Bathurst Island (1)
-
Bay of Islands (1)
-
Beaver Creek (1)
-
Canada
-
Arctic Archipelago (1)
-
Eastern Canada
-
Maritime Provinces
-
New Brunswick (2)
-
Nova Scotia
-
Colchester County Nova Scotia (1)
-
Minas Basin (1)
-
-
-
Newfoundland and Labrador
-
Newfoundland (3)
-
-
Ontario
-
Hamilton Ontario (1)
-
Ottawa Ontario (1)
-
Simcoe County Ontario
-
Borden Ontario (1)
-
-
-
Quebec
-
Charlevoix (1)
-
Charlevoix-Est County Quebec (1)
-
Gaspe-Est County Quebec
-
Gaspe Quebec (1)
-
-
Gatineau Valley (1)
-
Montreal and Jesus Islands County Quebec
-
Montreal Quebec (1)
-
-
-
-
Mackenzie Mountains (2)
-
Nunavut
-
Ellesmere Island (1)
-
Haughton impact structure (1)
-
-
Queen Elizabeth Islands
-
Ellesmere Island (1)
-
-
Western Canada
-
Alberta (4)
-
British Columbia
-
Prince Rupert British Columbia (1)
-
Skeena Mountains (1)
-
-
Canadian Rocky Mountains (3)
-
Manitoba (1)
-
Northwest Territories (2)
-
Saskatchewan (1)
-
Yukon Territory (1)
-
-
-
Caribbean region
-
West Indies
-
Antilles
-
Greater Antilles
-
Puerto Rico (2)
-
-
Lesser Antilles
-
Barbados (2)
-
Virgin Islands (2)
-
-
-
Bahamas (1)
-
-
-
Central America
-
Costa Rica (1)
-
Guatemala (1)
-
Panama (1)
-
-
Chesapeake Bay impact structure (52)
-
Chicxulub Crater (3)
-
Clear Creek (1)
-
Coast Ranges (1)
-
Commonwealth of Independent States
-
Donets Basin (1)
-
Kazakhstan (1)
-
Russian Federation
-
Popigay Structure (3)
-
-
Ukraine
-
Boltyshka Depression (1)
-
Podolia (1)
-
-
-
Europe
-
Baltic region
-
Estonia (1)
-
-
Central Europe
-
Bohemian Massif (1)
-
Germany
-
Franconia (1)
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North Rhine-Westphalia Germany (1)
-
Saxony Germany (1)
-
-
-
Donets Basin (1)
-
Pyrenees (2)
-
Southern Europe
-
Iberian Peninsula
-
Spain (2)
-
-
Italy
-
Calabria Italy (1)
-
Ivrea-Verbano Zone (1)
-
Sicily Italy
-
Lipari Islands
-
Vulcano (1)
-
-
Pantelleria (1)
-
-
-
Yugoslavia (1)
-
-
Ukraine
-
Boltyshka Depression (1)
-
Podolia (1)
-
-
Western Europe
-
France
-
Rochechouart Crater (1)
-
-
Ireland
-
Galway Ireland (1)
-
-
Netherlands (1)
-
Scandinavia
-
Denmark
-
Bornholm (1)
-
-
Norway (1)
-
Sweden (1)
-
-
United Kingdom
-
Great Britain
-
England
-
Lincolnshire England (1)
-
-
Scotland (2)
-
-
-
-
-
Fall Line (4)
-
False Cape (2)
-
Fire Island (1)
-
Franklin Mountains (1)
-
Front Range (1)
-
Grandfather Mountain (3)
-
Great South Bay (1)
-
Hartford Basin (6)
-
Hunter Valley (2)
-
Illinois River (1)
-
Indian Ocean (1)
-
James River (11)
-
Lewis Creek (1)
-
Long Island (1)
-
Malay Archipelago
-
Borneo
-
East Malaysia
-
Sarawak Malaysia (1)
-
-
-
-
Mediterranean Sea (1)
-
Mexico
-
Tabasco Mexico (1)
-
-
Mill Creek (1)
-
Mount Jefferson (1)
-
New River (4)
-
Newport Bay (1)
-
North America
-
Appalachian Basin (83)
-
Appalachians
-
Allegheny Mountains (2)
-
Appalachian Plateau (20)
-
Blue Ridge Mountains (15)
-
Blue Ridge Province (39)
-
Carolina slate belt (2)
-
Central Appalachians (91)
-
Cumberland Plateau (1)
-
Great Appalachian Valley (6)
-
Northern Appalachians (1)
-
Piedmont
-
Inner Piedmont (1)
-
-
Southern Appalachians (32)
-
Valley and Ridge Province (69)
-
-
Canadian Shield
-
Grenville Province (1)
-
-
Eastern Overthrust Belt (5)
-
Great Plains (1)
-
Grenville Front (2)
-
Gulf Coastal Plain (11)
-
Keweenawan Rift (1)
-
Michigan Basin (4)
-
Rocky Mountains
-
Canadian Rocky Mountains (3)
-
-
Western Canada Sedimentary Basin (1)
-
Western Interior (1)
-
Williston Basin (2)
-
-
Northern Hemisphere (1)
-
Oceania
-
Micronesia
-
Marshall Islands
-
Enewetak Atoll (1)
-
-
-
-
Outer Banks (1)
-
Pacific Ocean
-
East Pacific
-
Northeast Pacific (1)
-
-
North Pacific
-
Northeast Pacific (1)
-
-
-
Permian Basin (1)
-
Pine Mountain Fault (2)
-
Pulaski Fault (6)
-
Raleigh Belt (1)
-
Richmond Basin (12)
-
Rome Trough (10)
-
Saltville Fault (4)
-
Sandy Hook (1)
-
Savage River (1)
-
Seymour Island (1)
-
Sierra Nevada (1)
-
South America
-
Argentina
-
Pampean Mountains (1)
-
-
Brazil
-
Sao Paulo Brazil (1)
-
-
Peru (1)
-
Venezuela
-
Orinoco Delta (1)
-
-
-
South Island (1)
-
South Mountain (1)
-
Sydney Basin (1)
-
United States
-
Alabama (26)
-
Alaska
-
Aleutian Islands (1)
-
Fairbanks Alaska (1)
-
-
Allegheny Front (4)
-
Allegheny Mountains (2)
-
Allegheny Plateau (6)
-
Aquia Aquifer (2)
-
Arizona
-
Cochise County Arizona
-
Bisbee Arizona (1)
-
-
Pima County Arizona
-
Tucson Arizona (1)
-
-
-
Arkansas
-
Searcy County Arkansas (1)
-
-
Arkoma Basin (2)
-
Atlantic Coastal Plain
-
Central Atlantic Coastal Plain (16)
-
Southern Atlantic Coastal Plain (1)
-
-
Bighorn Basin (1)
-
Black Warrior Basin (1)
-
Blue Ridge Mountains (15)
-
Bronson Hill Anticlinorium (1)
-
California
-
Central California (1)
-
Fresno County California (1)
-
Los Angeles County California
-
Los Angeles California (1)
-
-
Marin County California (1)
-
San Diego County California
-
San Diego California (1)
-
-
Santa Clara County California
-
San Jose California (1)
-
-
Ventura County California (1)
-
-
Catskill Delta (9)
-
Chesapeake Bay (60)
-
Cincinnati Arch (12)
-
Colorado
-
Park County Colorado
-
Alma mining district (1)
-
-
-
Columbia Plateau (1)
-
Connecticut
-
Hartford County Connecticut (1)
-
-
Culpeper Basin (14)
-
Dan River basin (6)
-
Delaware
-
Kent County Delaware
-
Dover Air Force Base (4)
-
-
New Castle County Delaware (3)
-
Sussex County Delaware
-
Bethany Beach Delaware (3)
-
-
-
Delaware Basin (2)
-
Delaware Bay (6)
-
Delaware River (1)
-
Delmarva Peninsula (14)
-
Denver Basin (1)
-
District of Columbia (22)
-
Dunkard Basin (6)
-
Eastern U.S.
-
Southeastern U.S. (3)
-
-
Florida
-
Duval County Florida (2)
-
Franklin County Florida
-
Apalachicola Bay (1)
-
-
Leon County Florida (1)
-
Sarasota County Florida (1)
-
South Florida Basin (1)
-
-
Georgia (24)
-
Gettysburg Basin (2)
-
Great Smoky Mountains (1)
-
Hudson River (3)
-
Idaho (3)
-
Illinois
-
Johnson County Illinois (1)
-
Mason County Illinois (1)
-
Saint Clair County Illinois (1)
-
-
Illinois Basin (6)
-
Indiana
-
Jackson County Indiana (1)
-
-
Iowa
-
Manson impact structure (1)
-
-
Kansas (1)
-
Kentucky
-
Anderson County Kentucky (1)
-
Bath County Kentucky (2)
-
Boyd County Kentucky (2)
-
Breathitt County Kentucky (1)
-
Carter County Kentucky (7)
-
Eastern Kentucky coal field (4)
-
Elliott County Kentucky (6)
-
Estill County Kentucky (2)
-
Fleming County Kentucky (2)
-
Floyd County Kentucky (5)
-
Greenup County Kentucky (2)
-
Johnson County Kentucky (2)
-
Lawrence County Kentucky (1)
-
Leslie County Kentucky (3)
-
Letcher County Kentucky (1)
-
Lewis County Kentucky (6)
-
Madison County Kentucky (1)
-
Magoffin County Kentucky (2)
-
Martin County Kentucky (4)
-
Menifee County Kentucky (5)
-
Morgan County Kentucky (2)
-
Perry County Kentucky (5)
-
Pike County Kentucky (5)
-
Powell County Kentucky (4)
-
Rough Creek fault zone (1)
-
Rowan County Kentucky (10)
-
Taylor County Kentucky (1)
-
Wolfe County Kentucky (3)
-
-
Little Missouri River basin (1)
-
Louisiana (7)
-
Magothy Aquifer (1)
-
Maine
-
Somerset County Maine (1)
-
York County Maine (1)
-
-
Maryland
-
Allegany County Maryland
-
Cumberland Maryland (1)
-
-
Anne Arundel County Maryland (4)
-
Baltimore County Maryland
-
Baltimore Maryland (10)
-
-
Calvert County Maryland (25)
-
Cecil County Maryland (3)
-
Charles County Maryland (9)
-
Dorchester County Maryland (4)
-
Frederick County Maryland (4)
-
Garrett County Maryland (4)
-
Harford County Maryland
-
Aberdeen Proving Ground (4)
-
-
Howard County Maryland (2)
-
Montgomery County Maryland (13)
-
Patuxent River (3)
-
Prince Georges County Maryland (16)
-
Queen Anne's County Maryland (1)
-
Saint Mary's County Maryland (9)
-
Somerset County Maryland (1)
-
Talbot County Maryland (2)
-
Washington County Maryland (5)
-
Wicomico County Maryland (5)
-
Worcester County Maryland (6)
-
-
Massachusetts
-
Barnstable County Massachusetts
-
Cape Cod (1)
-
-
Suffolk County Massachusetts
-
Boston Massachusetts (1)
-
-
-
Michigan
-
Michigan Lower Peninsula
-
Calhoun County Michigan (1)
-
Washtenaw County Michigan
-
Ann Arbor Michigan (1)
-
-
-
-
Midcontinent (1)
-
Midwest (7)
-
Minnesota
-
Anoka County Minnesota (1)
-
Hennepin County Minnesota (1)
-
-
Mississippi (12)
-
Mississippi Delta (3)
-
Mississippi Embayment (3)
-
Mississippi River (2)
-
Mississippi Valley
-
Upper Mississippi Valley (1)
-
-
Missouri
-
Crawford County Missouri (1)
-
-
Montana
-
Fergus County Montana (1)
-
Silver Bow County Montana
-
Butte Montana (1)
-
-
-
Narragansett Basin (1)
-
Nashville Dome (1)
-
Nebraska (2)
-
Nevada
-
Elko County Nevada (1)
-
Nevada Test Site (1)
-
Nye County Nevada
-
Yucca Mountain (1)
-
-
-
New England (5)
-
New Hampshire (1)
-
New Jersey
-
Atlantic County New Jersey
-
Atlantic City New Jersey (1)
-
-
Cape May County New Jersey (1)
-
Cumberland County New Jersey (1)
-
Somerset County New Jersey (1)
-
-
New Madrid region (5)
-
New Mexico
-
Grant County New Mexico (1)
-
-
New York
-
Adirondack Mountains (1)
-
Broome County New York
-
Binghamton New York (1)
-
-
Niagara County New York (1)
-
Saint Lawrence County New York
-
Balmat-Edwards mining district (1)
-
-
Tompkins County New York
-
Ithaca New York (1)
-
-
Westchester County New York (1)
-
-
Newark Basin (6)
-
North Carolina
-
Bertie County North Carolina (1)
-
Carteret County North Carolina
-
Beaufort North Carolina (1)
-
-
Dare County North Carolina
-
Cape Hatteras (1)
-
-
Duplin County North Carolina (1)
-
Hertford County North Carolina (1)
-
Macon County North Carolina (1)
-
Madison County North Carolina (1)
-
New Hanover County North Carolina (1)
-
Pamlico Sound (2)
-
-
Ohio
-
Adams County Ohio (6)
-
Ashland County Ohio (1)
-
Athens County Ohio
-
Athens Ohio (2)
-
-
Belmont County Ohio (1)
-
Coshocton County Ohio (1)
-
Delaware County Ohio (1)
-
Franklin County Ohio (1)
-
Gallia County Ohio (2)
-
Greene County Ohio (1)
-
Highland County Ohio (2)
-
Hocking County Ohio (2)
-
Jackson County Ohio (6)
-
Lawrence County Ohio (1)
-
Meigs County Ohio (3)
-
Monroe County Ohio (1)
-
Muskingum County Ohio (1)
-
Noble County Ohio (1)
-
Perry County Ohio (1)
-
Pickaway County Ohio (1)
-
Pike County Ohio (2)
-
Richland County Ohio (1)
-
Ross County Ohio (2)
-
Scioto County Ohio (5)
-
Stark County Ohio (1)
-
Tuscarawas County Ohio (1)
-
Vinton County Ohio (6)
-
Washington County Ohio (1)
-
Wayne County Ohio (1)
-
-
Ohio River (2)
-
Ohio River valley (3)
-
Oklahoma
-
Carter County Oklahoma (2)
-
Craig County Oklahoma (1)
-
-
Oregon (2)
-
Pennsylvania
-
Bedford County Pennsylvania (1)
-
Blair County Pennsylvania (2)
-
Cambria County Pennsylvania (2)
-
Chester County Pennsylvania (2)
-
Clearfield County Pennsylvania (2)
-
Conemaugh River (1)
-
Delaware County Pennsylvania (1)
-
Erie County Pennsylvania (1)
-
Fayette County Pennsylvania (3)
-
Greene County Pennsylvania (2)
-
Huntingdon County Pennsylvania (2)
-
Indiana County Pennsylvania (1)
-
Lancaster County Pennsylvania (2)
-
Luzerne County Pennsylvania (1)
-
Mifflin County Pennsylvania (1)
-
Perry County Pennsylvania (1)
-
Somerset County Pennsylvania (2)
-
Tioga County Pennsylvania (1)
-
York County Pennsylvania (1)
-
-
Potomac River (16)
-
Potomac River basin (5)
-
Pulaski thrust sheet (4)
-
Reading Prong (1)
-
Reelfoot Rift (1)
-
Rhode Island
-
Newport County Rhode Island
-
Newport Rhode Island (1)
-
-
-
Rock Creek Park (1)
-
Salisbury Embayment (10)
-
Shenandoah Valley (10)
-
South Carolina
-
Charleston County South Carolina
-
Charleston South Carolina (1)
-
-
Chester County South Carolina (1)
-
-
South Dakota (2)
-
Southern U.S. (2)
-
Susquehanna River (4)
-
Tennessee
-
Claiborne County Tennessee (1)
-
Hancock County Tennessee (1)
-
Humphreys County Tennessee (1)
-
Loudon County Tennessee (1)
-
Putnam County Tennessee (1)
-
Sullivan County Tennessee (1)
-
-
Texas
-
Bee County Texas (1)
-
Fort Worth Basin (1)
-
Franklin County Texas (1)
-
Harrison County Texas (1)
-
Hood County Texas (1)
-
La Salle County Texas (1)
-
Presidio County Texas (1)
-
Reagan County Texas (1)
-
West Texas (1)
-
Zavala County Texas (1)
-
-
Utah (4)
-
Vermont (3)
-
Virginia
-
Accomack County Virginia (5)
-
Albemarle County Virginia (8)
-
Alleghany County Virginia (2)
-
Amelia County Virginia (10)
-
Amherst County Virginia (2)
-
Arlington County Virginia (1)
-
Augusta County Virginia (11)
-
Bath County Virginia (8)
-
Bedford County Virginia (3)
-
Bland County Virginia (2)
-
Botetourt County Virginia (6)
-
Brunswick County Virginia (1)
-
Buchanan County Virginia (2)
-
Buckingham County Virginia (5)
-
Campbell County Virginia (5)
-
Caroline County Virginia (2)
-
Carroll County Virginia (4)
-
Charles City County Virginia (1)
-
Charlotte County Virginia (1)
-
Chesterfield County Virginia (4)
-
Clarke County Virginia (3)
-
Craig County Virginia (7)
-
Culpeper County Virginia (8)
-
Dinwiddie County Virginia (3)
-
Fairfax County Virginia (13)
-
Fauquier County Virginia (7)
-
Floyd County Virginia (3)
-
Fluvanna County Virginia (3)
-
Franklin County Virginia (3)
-
Frederick County Virginia (1)
-
Giles County Virginia (21)
-
Goochland County Virginia (9)
-
Grayson County Virginia (5)
-
Halifax County Virginia (1)
-
Hanover County Virginia (2)
-
Henrico County Virginia (6)
-
Highland County Virginia (15)
-
Isle of Wight County Virginia (3)
-
James City County Virginia (1)
-
King George County Virginia (5)
-
King William County Virginia (1)
-
Lee County Virginia (5)
-
Loudoun County Virginia (9)
-
Louisa County Virginia (44)
-
Madison County Virginia (5)
-
Mathews County Virginia (2)
-
Montgomery County Virginia (10)
-
Nelson County Virginia (8)
-
New Kent County Virginia (2)
-
Norfolk Virginia (2)
-
Northampton County Virginia
-
Oyster Virginia (7)
-
-
Northumberland County Virginia (2)
-
Orange County Virginia (5)
-
Page County Virginia (1)
-
Pamunkey River (3)
-
Patrick County Virginia (1)
-
Petersburg Virginia (2)
-
Pittsylvania County Virginia (12)
-
Powhatan County Virginia (4)
-
Prince George County Virginia (2)
-
Prince William County Virginia (7)
-
Pulaski County Virginia (9)
-
Rappahannock County Virginia (4)
-
Rappahannock River (3)
-
Richmond Virginia (6)
-
Roanoke County Virginia (8)
-
Rockbridge County Virginia (8)
-
Rockingham County Virginia (8)
-
Russell County Virginia (2)
-
Scott County Virginia (2)
-
Shenandoah County Virginia (5)
-
Shenandoah National Park (1)
-
Smyth County Virginia (4)
-
Spotsylvania County Virginia (1)
-
Stafford County Virginia (7)
-
Surry County Virginia (2)
-
Tazewell County Virginia (7)
-
Virginia Beach Virginia (2)
-
Warren County Virginia (5)
-
Washington County Virginia (1)
-
Waynesboro Virginia (1)
-
Westmoreland County Virginia (4)
-
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Invertebrata
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Insecta
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Neogene
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Miocene
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Calvert Formation (30)
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middle Miocene
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Choptank Formation (20)
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Saint Marys Formation (23)
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Tortonian (2)
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Pliocene
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upper Pliocene
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Chowan River Formation (7)
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Yorktown Formation (23)
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Paleogene
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Eocene
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Castle Hayne Limestone (2)
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lower Eocene
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Aquia Formation (15)
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middle Eocene
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Santee Limestone (1)
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Nanjemoy Formation (11)
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upper Eocene
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Oligocene
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upper Tertiary (1)
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Chesapeake Group (17)
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Coal Measures (2)
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Mesozoic
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Upper Cretaceous
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Jurassic
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Upper Jurassic
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Bossier Formation (1)
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lower Mesozoic (2)
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Paleozoic
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Bedford Shale (4)
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Cambrian
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Antietam Formation (5)
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Upper Cambrian
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Copper Ridge Dolomite (3)
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Carboniferous
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Lower Mississippian
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Pocono Formation (8)
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Price Formation (7)
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Upper Mississippian
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Chesterian
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Imo Formation (1)
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Greenbrier Limestone (14)
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Heath Formation (1)
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Hinton Formation (4)
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Mauch Chunk Formation (6)
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Meramecian (2)
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Pennington Formation (6)
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Windsor Group (1)
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Namurian (2)
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Pennsylvanian
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Conemaugh Group (14)
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Kittanning Formation (1)
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Lower Pennsylvanian
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Lee Formation (5)
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New River Formation (5)
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Pocahontas Formation (8)
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-
Middle Pennsylvanian
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Allegheny Group (16)
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Atokan
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Atoka Formation (1)
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Breathitt Formation (8)
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Desmoinesian (3)
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Kanawha Formation (13)
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Moscovian (1)
-
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Monongahela Group (12)
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Pittsburgh Coal (3)
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Pottsville Group (8)
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Upper Pennsylvanian
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Ames Limestone (3)
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Glenshaw Formation (1)
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Missourian (2)
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-
-
Upper Carboniferous
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Stephanian (1)
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Westphalian (6)
-
-
-
Catskill Formation (4)
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Chattanooga Shale (1)
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Devonian
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Lower Devonian
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Coeymans Formation (1)
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Emsian (1)
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Manlius Formation (1)
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Oriskany Sandstone (12)
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Pragian (1)
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-
Middle Devonian
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Eifelian (1)
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Hamilton Group (4)
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Mahantango Formation (4)
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Marcellus Shale (20)
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Onondaga Limestone (8)
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Tully Limestone (4)
-
-
Millboro Shale (4)
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Upper Devonian
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Brallier Shale (4)
-
Chemung Formation (4)
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Cleveland Member (4)
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Famennian (5)
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Frasnian (4)
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Hampshire Formation (7)
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Huron Member (8)
-
Ohio Shale (16)
-
West Falls Formation (2)
-
-
-
Dunkard Group (7)
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Helderberg Group (8)
-
Keyser Limestone (7)
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Knox Group (8)
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lower Paleozoic
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Ashe Formation (5)
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Chopawamsic Formation (5)
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Conococheague Formation (15)
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Glenarm Series (8)
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Rose Run Sandstone (4)
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Wilmington Complex (5)
-
-
New Albany Shale (1)
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Ordovician
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Clays Ferry Formation (1)
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Eureka Quartzite (1)
-
Lexington Limestone (1)
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Lower Ordovician
-
Beekmantown Group (5)
-
Kingsport Formation (1)
-
Mascot Dolomite (1)
-
-
Martinsburg Formation (8)
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Middle Ordovician
-
Black River Group (1)
-
Blackriverian (2)
-
Bromide Formation (2)
-
Chazyan (1)
-
Deicke Bentonite Bed (2)
-
Millbrig Bentonite Bed (3)
-
Normanskill Formation (1)
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Schenectady Formation (1)
-
-
Trenton Group (5)
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Upper Ordovician
-
Cincinnatian (1)
-
Fairview Formation (1)
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Hirnantian (1)
-
Juniata Formation (7)
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Katian (3)
-
Mohawkian (1)
-
Reedsville Formation (2)
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Sandbian (2)
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Trentonian (7)
-
-
Utica Shale (1)
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Viola Limestone (1)
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-
Permian
-
Lower Permian
-
Wolfcampian (1)
-
-
Middle Permian (1)
-
Upper Permian (3)
-
-
Petersburg Granite (1)
-
Rondout Formation (3)
-
Silurian
-
Bass Islands Dolomite (1)
-
Clinch Sandstone (1)
-
Lockport Formation (3)
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Lower Silurian
-
Brassfield Formation (5)
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Llandovery (6)
-
Tuscarora Formation (10)
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Wenlock (3)
-
-
Middle Silurian
-
Clinton Group (3)
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Keefer Sandstone (7)
-
McKenzie Formation (7)
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Rochester Formation (1)
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Rose Hill Formation (4)
-
-
Niagaran (4)
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Upper Silurian
-
Cayugan
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Tonoloway Limestone (3)
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Williamsport Sandstone (1)
-
-
Pridoli (2)
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Salina Group (3)
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-
-
upper Paleozoic (5)
-
Wissahickon Formation (4)
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Woodford Shale (1)
-
-
Phanerozoic (5)
-
Precambrian
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Baltimore Gneiss (10)
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Catoctin Formation (14)
-
Eocambrian (2)
-
upper Precambrian
-
Proterozoic
-
Mesoproterozoic (11)
-
Neoproterozoic
-
Cryogenian (1)
-
Ediacaran (1)
-
Lynchburg Formation (3)
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-
-
-
-
-
igneous rocks
-
igneous rocks
-
hypabyssal rocks (1)
-
kimberlite (3)
-
plutonic rocks
-
anorthosite (4)
-
diabase (5)
-
diorites
-
quartz diorites (1)
-
tonalite (1)
-
-
gabbros
-
norite (2)
-
-
granites
-
A-type granites (1)
-
charnockite (1)
-
felsite (1)
-
leucogranite (1)
-
-
granodiorites (4)
-
monzonites
-
mangerite (1)
-
-
pegmatite (10)
-
quartz monzonite (2)
-
ultramafics
-
chromitite (1)
-
peridotites
-
dunite (2)
-
lherzolite (1)
-
-
pyroxenite
-
websterite (2)
-
-
-
-
volcanic rocks
-
adakites (1)
-
andesites (2)
-
basalts
-
mid-ocean ridge basalts (1)
-
olivine basalt (1)
-
tholeiite (1)
-
-
glasses (3)
-
pyroclastics
-
tuff (1)
-
-
rhyolites (1)
-
-
-
ophiolite (3)
-
volcanic ash (4)
-
-
metamorphic rocks
-
K-bentonite (4)
-
metabentonite (1)
-
metamorphic rocks
-
amphibolites (6)
-
cataclasites (2)
-
gneisses
-
augen gneiss (3)
-
biotite gneiss (2)
-
orthogneiss (2)
-
-
granulites (3)
-
impactites
-
impact breccia
-
suevite (8)
-
-
-
marbles (5)
-
metaigneous rocks
-
metabasalt (2)
-
metagabbro (1)
-
metagranite (3)
-
serpentinite (2)
-
-
metaplutonic rocks (1)
-
metasedimentary rocks
-
metapelite (3)
-
metasandstone (1)
-
-
metasomatic rocks
-
greisen (1)
-
serpentinite (2)
-
skarn (1)
-
-
metavolcanic rocks (4)
-
migmatites (1)
-
mylonites
-
pseudotachylite (1)
-
ultramylonite (2)
-
-
phyllites (4)
-
quartzites
-
ferruginous quartzite (1)
-
-
schists
-
greenstone (1)
-
-
slates (3)
-
-
ophiolite (3)
-
turbidite (5)
-
-
meteorites
-
meteorites
-
iron meteorites (1)
-
stony irons
-
pallasite
-
Brenham Meteorite (1)
-
-
-
stony meteorites
-
achondrites (1)
-
chondrites
-
ordinary chondrites (1)
-
-
-
-
-
minerals
-
alloys
-
electrum (1)
-
-
arsenates
-
scorodite (1)
-
-
arsenides
-
arsenopyrite (1)
-
-
carbonates
-
ankerite (1)
-
aragonite (1)
-
bastnaesite (1)
-
calcite (9)
-
dolomite (13)
-
pyroaurite (1)
-
strontianite (2)
-
-
halides
-
chlorides
-
halite (1)
-
-
fluorides
-
bastnaesite (1)
-
-
-
K-bentonite (4)
-
metabentonite (1)
-
minerals (27)
-
native elements
-
graphite (1)
-
-
oxides
-
anatase (3)
-
chromite (1)
-
corundum (1)
-
cryptomelane (1)
-
gahnite (2)
-
goethite (4)
-
hematite (5)
-
hoegbomite (4)
-
hollandite (1)
-
hydroxides
-
iron hydroxides (2)
-
oxyhydroxides (1)
-
-
ilmenite (6)
-
iron oxides (5)
-
jacobsite (1)
-
lepidocrocite (1)
-
magnetite (4)
-
manganese oxides (2)
-
manganosite (1)
-
martite (1)
-
niobates (2)
-
psilomelane (1)
-
rutile (4)
-
spinel (4)
-
tantalates
-
tantalite (1)
-
wodginite (1)
-
-
-
phosphates
-
apatite (8)
-
brushite (1)
-
cacoxenite (1)
-
monazite (4)
-
rhabdophane (2)
-
vivianite (4)
-
wavellite (1)
-
-
silicates
-
asbestos (2)
-
chain silicates
-
amphibole group
-
clinoamphibole
-
hornblende (2)
-
tremolite (1)
-
-
-
pyroxene group
-
clinopyroxene
-
clinoenstatite (1)
-
diopside (1)
-
-
orthopyroxene
-
hypersthene (2)
-
-
-
rhodonite group
-
babingtonite (1)
-
-
xonotlite (1)
-
-
framework silicates
-
feldspar group
-
plagioclase
-
albite (4)
-
-
-
silica minerals
-
cristobalite (1)
-
quartz (5)
-
tridymite (1)
-
-
zeolite group
-
analcime (1)
-
epistilbite (1)
-
stilbite (2)
-
-
-
orthosilicates
-
nesosilicates
-
chloritoid (1)
-
garnet group (1)
-
kyanite (3)
-
olivine group
-
fayalite (1)
-
laihunite (1)
-
-
phenakite group
-
phenakite (1)
-
-
staurolite (4)
-
titanite group
-
titanite (1)
-
-
zircon group
-
zircon (21)
-
-
-
sorosilicates
-
epidote group
-
allanite (2)
-
epidote (1)
-
-
-
-
ring silicates
-
tourmaline group (1)
-
-
sheet silicates
-
chlorite group
-
chlorite (5)
-
-
clay minerals
-
kaolinite (2)
-
smectite (2)
-
-
illite (5)
-
margarite (2)
-
mica group
-
biotite (3)
-
glauconite (5)
-
muscovite (3)
-
paragonite (1)
-
phlogopite (1)
-
-
serpentine group
-
berthierine (1)
-
-
talc (3)
-
-
-
sulfates
-
anhydrite (1)
-
barite (4)
-
celestine (1)
-
gypsum (2)
-
halotrichite (1)
-
melanterite (2)
-
rozenite (1)
-
-
sulfides
-
arsenopyrite (1)
-
bornite (1)
-
chalcopyrite (1)
-
galena (1)
-
iron sulfides (1)
-
pentlandite (1)
-
pyrite (8)
-
pyrrhotite (4)
-
sphalerite (3)
-
violarite (1)
-
-
sulfosalts
-
sulfantimonites
-
tetrahedrite (1)
-
-
sulfarsenites
-
tennantite (1)
-
-
-
-
Primary terms
-
absolute age (59)
-
Africa
-
-