Skip Nav Destination
Pteridophyta
Update search
Filter
- Abstract
- Affiliation
- All
- Authors
- Book Series
- DOI
- EISBN
- EISSN
- Full Text
- GeoRef ID
- ISBN
- ISSN
- Issue
- Keyword (GeoRef Descriptor)
- Meeting Information
- Report #
- Title
- Volume
Filter
- Abstract
- Affiliation
- All
- Authors
- Book Series
- DOI
- EISBN
- EISSN
- Full Text
- GeoRef ID
- ISBN
- ISSN
- Issue
- Keyword (GeoRef Descriptor)
- Meeting Information
- Report #
- Title
- Volume
Filter
- Abstract
- Affiliation
- All
- Authors
- Book Series
- DOI
- EISBN
- EISSN
- Full Text
- GeoRef ID
- ISBN
- ISSN
- Issue
- Keyword (GeoRef Descriptor)
- Meeting Information
- Report #
- Title
- Volume
Filter
- Abstract
- Affiliation
- All
- Authors
- Book Series
- DOI
- EISBN
- EISSN
- Full Text
- GeoRef ID
- ISBN
- ISSN
- Issue
- Keyword (GeoRef Descriptor)
- Meeting Information
- Report #
- Title
- Volume
Filter
- Abstract
- Affiliation
- All
- Authors
- Book Series
- DOI
- EISBN
- EISSN
- Full Text
- GeoRef ID
- ISBN
- ISSN
- Issue
- Keyword (GeoRef Descriptor)
- Meeting Information
- Report #
- Title
- Volume
Filter
- Abstract
- Affiliation
- All
- Authors
- Book Series
- DOI
- EISBN
- EISSN
- Full Text
- GeoRef ID
- ISBN
- ISSN
- Issue
- Keyword (GeoRef Descriptor)
- Meeting Information
- Report #
- Title
- Volume
NARROW
Format
Article Type
Journal
Publisher
Section
GeoRef Subject
-
all geography including DSDP/ODP Sites and Legs
-
Africa
-
Central Africa
-
Congo (1)
-
-
Madagascar (1)
-
North Africa
-
Algeria (1)
-
Atlas Mountains
-
Moroccan Atlas Mountains
-
Anti-Atlas (1)
-
-
-
Egypt (1)
-
Ghadames Basin (1)
-
Libya
-
Murzuk Basin (1)
-
-
Morocco
-
Moroccan Atlas Mountains
-
Anti-Atlas (1)
-
-
-
-
Sahara (2)
-
Southern Africa
-
Karoo Basin (1)
-
South Africa
-
Cape Province region (2)
-
KwaZulu-Natal South Africa (1)
-
Western Cape Province South Africa (1)
-
-
-
-
Antarctica
-
South Shetland Islands
-
Livingston Island (1)
-
-
Transantarctic Mountains
-
Queen Alexandra Range (1)
-
-
Victoria Land (3)
-
-
Arctic Ocean
-
Lomonosov Ridge (1)
-
-
Arctic region
-
Svalbard
-
Spitsbergen (1)
-
-
-
Asia
-
Arabian Peninsula
-
Oman (1)
-
Qatar (1)
-
Saudi Arabia (1)
-
-
Central Asia
-
Aral region (1)
-
Kazakhstan (1)
-
Turgay Basin (1)
-
-
Far East
-
China
-
Guizhou China (1)
-
Hainan China (1)
-
Inner Mongolia China (4)
-
Liaoning China (1)
-
North China Platform (1)
-
Shanxi China
-
Taiyuan China (1)
-
-
South China Block (1)
-
Xinjiang China (1)
-
Yunnan China (3)
-
-
Indonesia
-
Sumatra (2)
-
-
Japan (1)
-
-
Himalayas (1)
-
Indian Peninsula
-
India
-
Gujarat India
-
Saurashtra (1)
-
-
Jharkhand India (1)
-
Madhya Pradesh India
-
Chhindwara India (1)
-
-
Northeastern India
-
Assam India (1)
-
-
-
Jammu and Kashmir
-
Kashmir (1)
-
-
-
Krasnoyarsk Russian Federation (1)
-
Kurgan Russian Federation (1)
-
Middle East
-
Israel
-
Negev (1)
-
-
Jordan (1)
-
-
Novosibirsk Russian Federation (1)
-
Omsk Russian Federation (2)
-
Siberia (1)
-
Siberian Platform (1)
-
Tomsk Russian Federation (1)
-
Turan (1)
-
Tuva Russian Federation (1)
-
Tyumen Russian Federation (1)
-
West Siberia
-
Minusinsk Basin (1)
-
-
-
Atlantic Ocean
-
North Atlantic
-
Bay of Fundy (2)
-
North Sea (1)
-
Porcupine Basin (1)
-
-
-
Australasia
-
Australia
-
New South Wales Australia (1)
-
Queensland Australia (2)
-
Tasmania Australia (1)
-
Victoria Australia (2)
-
Western Australia
-
Canning Basin (1)
-
-
-
New Zealand
-
Coromandel Peninsula (1)
-
Marlborough New Zealand (1)
-
Taupo volcanic zone (1)
-
Waiotapu New Zealand (1)
-
-
-
Black Mesa Basin (1)
-
Bowen Basin (1)
-
Canada
-
Eastern Canada
-
Maritime Provinces
-
New Brunswick
-
Saint John County New Brunswick
-
Saint John New Brunswick (1)
-
-
-
Nova Scotia
-
Cape Breton Island (4)
-
Cumberland County Nova Scotia (4)
-
-
-
-
Nunavut
-
Ellesmere Island (1)
-
-
Queen Elizabeth Islands
-
Ellesmere Island (1)
-
-
Western Canada
-
Alberta
-
Drumheller Alberta (1)
-
Red Deer River valley (1)
-
-
British Columbia
-
Princeton British Columbia (1)
-
-
Manitoba (2)
-
Saskatchewan (1)
-
Yukon Territory (1)
-
-
-
Caribbean region
-
West Indies
-
Antilles
-
Greater Antilles
-
Hispaniola
-
Dominican Republic (2)
-
-
-
-
-
-
Cascade Range (1)
-
Chicxulub Crater (1)
-
Commonwealth of Independent States
-
Aral region (1)
-
Donets Basin (2)
-
Kazakhstan (1)
-
Russian Federation
-
Kirov Russian Federation (1)
-
Komi Russian Federation
-
Pechora Russian Federation (1)
-
-
Krasnoyarsk Russian Federation (1)
-
Kurgan Russian Federation (1)
-
Kursk Russian Federation (1)
-
Minusinsk Basin (1)
-
Northern Urals (1)
-
Novosibirsk Russian Federation (1)
-
Omsk Russian Federation (2)
-
Siberian Platform (1)
-
Timan Ridge (1)
-
Tomsk Russian Federation (1)
-
Tuva Russian Federation (1)
-
Tyumen Russian Federation (1)
-
Vologda Russian Federation (1)
-
-
Timan Ridge (1)
-
Turan (1)
-
Ukraine
-
Boltyshka Depression (2)
-
Podolia (1)
-
-
Urals
-
Northern Urals (1)
-
-
West Siberia
-
Minusinsk Basin (1)
-
-
-
Cumberland Basin (1)
-
Eurasia (1)
-
Europe
-
Alps
-
Eastern Alps
-
Northern Limestone Alps (1)
-
-
Limestone Alps
-
Northern Limestone Alps (1)
-
-
-
Baltic region (2)
-
Campine (1)
-
Central Europe
-
Austria
-
Tyrol Austria (1)
-
-
Czech Republic
-
Bohemia
-
Pilsen Basin (1)
-
-
Bohemian Basin (1)
-
Moravia
-
Ostrava-Karvina (1)
-
-
-
Germany
-
Saar-Nahe Basin (1)
-
Saxony Germany
-
Chemnitz Germany (1)
-
-
Saxony-Anhalt Germany
-
Bitterfeld Germany (1)
-
-
-
Northern Limestone Alps (1)
-
Poland
-
Slaskie Poland
-
Katowice Poland (2)
-
-
-
Sudetic Basin (1)
-
Upper Silesian coal basin (3)
-
-
Donets Basin (2)
-
Fennoscandia (1)
-
Kirov Russian Federation (1)
-
Komi Russian Federation
-
Pechora Russian Federation (1)
-
-
Kursk Russian Federation (1)
-
Southern Europe
-
Bulgaria (1)
-
Iberian Peninsula
-
Spain
-
Andalusia Spain
-
Seville Spain (1)
-
-
Castilla y Leon Spain (1)
-
-
-
Italy
-
Sardinia Italy (1)
-
-
-
Timan Ridge (1)
-
Ukraine
-
Boltyshka Depression (2)
-
Podolia (1)
-
-
Vologda Russian Federation (1)
-
Western Europe
-
Belgium
-
Flanders Belgium
-
Antwerp Belgium (1)
-
-
-
France
-
Armorican Massif (1)
-
Aveyron France
-
Decazeville France (1)
-
-
Burgundy (1)
-
Central Massif (1)
-
Herault France
-
Lodeve Basin (1)
-
-
Isere France (1)
-
Languedoc (1)
-
Saone-et-Loire France (1)
-
-
Scandinavia
-
Denmark (1)
-
Sweden
-
Skane Sweden (2)
-
-
-
United Kingdom
-
Great Britain
-
England
-
Bristol England (1)
-
East Anglia
-
Suffolk England (1)
-
-
Hampshire Basin (1)
-
Kent England (1)
-
Lancashire England (1)
-
Newcastle England (1)
-
Shropshire England (2)
-
Somerset England (2)
-
Staffordshire England (1)
-
Welsh Borderland (1)
-
Yorkshire England
-
North Yorkshire England (2)
-
-
-
Scotland (3)
-
Wales
-
Powys Wales (1)
-
South Wales (1)
-
South Wales coal field (1)
-
-
-
-
Wadden Sea (1)
-
-
-
Grand Canyon (1)
-
Hunter Valley (1)
-
Indian Ocean Islands
-
Madagascar (1)
-
-
Lewis Creek (1)
-
Maritimes Basin (1)
-
Melville Island (1)
-
Mexico
-
Puebla Mexico (1)
-
-
North America
-
Appalachian Basin (7)
-
Appalachians
-
Appalachian Plateau (3)
-
Catskill Mountains (1)
-
Central Appalachians (1)
-
-
Gulf Coastal Plain (2)
-
Western Interior
-
Western Interior Seaway (1)
-
-
Williston Basin (3)
-
-
North Island (1)
-
North Slope (1)
-
Northern Hemisphere (1)
-
Pacific Ocean
-
Equatorial Pacific (1)
-
-
Peel River (1)
-
Raton Basin (1)
-
Red Hill (1)
-
Rio Negro (1)
-
Russian Platform
-
Timan Ridge (1)
-
-
San Juan Basin (1)
-
Scotia Sea Islands
-
South Shetland Islands
-
Livingston Island (1)
-
-
-
Snake River canyon (1)
-
Souris River basin (1)
-
South America
-
Amazon Basin (2)
-
Andes
-
Eastern Cordillera (1)
-
-
Argentina
-
Buenos Aires Argentina (1)
-
Catamarca Argentina (1)
-
La Rioja Argentina (1)
-
Salta Argentina (1)
-
San Juan Argentina (1)
-
San Luis Argentina (1)
-
Santa Cruz Argentina
-
Deseado Massif (1)
-
-
-
Bolivia (5)
-
Brazil
-
Amazonas Brazil (1)
-
Manaus Brazil (1)
-
Maranhao Brazil (1)
-
Parnaiba Basin (1)
-
Piaui Brazil (1)
-
Rio de Janeiro Brazil
-
Guanabara Bay (1)
-
-
Rio Grande do Sul Brazil (2)
-
Solimoes Basin (1)
-
-
Chile (1)
-
Colombia
-
Magdalena Valley (1)
-
-
Guiana Shield (1)
-
Paraguay (1)
-
Patagonia (1)
-
Peru (1)
-
Uruguay (1)
-
Venezuela (3)
-
-
South Island (1)
-
Southern Hemisphere (3)
-
Sydney Basin (3)
-
Sydney coal field (1)
-
United States
-
Alabama
-
Blount County Alabama (2)
-
Clay County Alabama (1)
-
Walker County Alabama (2)
-
-
Alaska
-
Alaska Range (1)
-
Aleutian Islands
-
Adak Island (1)
-
-
Kenai Peninsula (1)
-
-
Arizona
-
Coconino County Arizona (1)
-
Navajo County Arizona (1)
-
Petrified Forest National Park (2)
-
-
Arkansas
-
Hot Spring County Arkansas (1)
-
Washington County Arkansas
-
Fayetteville Arkansas (1)
-
-
-
Black Warrior Basin (2)
-
California
-
Orange County California (1)
-
Riverside County California (1)
-
-
Catskill Delta (1)
-
Central Basin Platform (1)
-
Colorado
-
Arapahoe County Colorado (1)
-
Douglas County Colorado (1)
-
Fremont County Colorado
-
Canon City Colorado (1)
-
-
-
Connecticut
-
Hartford County Connecticut (1)
-
Middlesex County Connecticut (1)
-
New London County Connecticut (1)
-
-
Denver Basin (3)
-
Florida
-
Liberty County Florida (1)
-
-
Georgia
-
Chattahoochee County Georgia (1)
-
Crawford County Georgia (1)
-
-
Idaho
-
Idaho County Idaho (1)
-
-
Illinois
-
Crawford County Illinois (1)
-
Jackson County Illinois (3)
-
Jefferson County Illinois (1)
-
Kendall County Illinois (1)
-
Lawrence County Illinois (1)
-
Mazon Creek (1)
-
Vermilion County Illinois (1)
-
Wabash County Illinois (2)
-
-
Illinois Basin (6)
-
Indiana
-
Clay County Indiana (3)
-
Warrick County Indiana (1)
-
-
Iowa (1)
-
Kansas
-
Cherokee County Kansas (1)
-
Ellis County Kansas (1)
-
Kiowa County Kansas (1)
-
Russell County Kansas (1)
-
-
Kentucky
-
Eastern Kentucky coal field (1)
-
Leslie County Kentucky (1)
-
Meade County Kentucky (1)
-
Pike County Kentucky (1)
-
-
Maine (2)
-
Maryland
-
Cecil County Maryland (1)
-
-
Massachusetts
-
Bristol County Massachusetts (1)
-
-
Midwest (1)
-
Minnesota (1)
-
Missouri (2)
-
Narragansett Basin (1)
-
Nebraska
-
Antelope County Nebraska (1)
-
-
Nevada (2)
-
New Mexico
-
San Juan County New Mexico (1)
-
-
New York
-
Catskill Mountains (1)
-
Greene County New York (1)
-
Schoharie County New York (2)
-
Ulster County New York (1)
-
-
North Carolina (1)
-
North Dakota
-
Dunn County North Dakota (1)
-
Mercer County North Dakota (1)
-
Morton County North Dakota (1)
-
Mountrail County North Dakota (1)
-
Slope County North Dakota (1)
-
Stark County North Dakota (1)
-
-
Ohio
-
Athens County Ohio
-
Athens Ohio (1)
-
-
Jefferson County Ohio
-
Steubenville Ohio (1)
-
-
-
Oklahoma
-
Pontotoc County Oklahoma (1)
-
Tulsa County Oklahoma (1)
-
-
Oregon
-
Morrow County Oregon (1)
-
Umatilla County Oregon (1)
-
Wallowa County Oregon (1)
-
-
Pennsylvania
-
Adams County Pennsylvania (1)
-
Clinton County Pennsylvania (1)
-
Perry County Pennsylvania (1)
-
Schuylkill County Pennsylvania (1)
-
-
Talladega Front (1)
-
Tennessee (1)
-
Texas
-
Baylor County Texas (1)
-
Brewster County Texas
-
Big Bend National Park (1)
-
-
Gaines County Texas (1)
-
Jack County Texas (1)
-
King County Texas (2)
-
Knox County Texas (2)
-
Stonewall County Texas (1)
-
West Texas (1)
-
-
Utah (1)
-
Virginia (1)
-
Washington
-
Ferry County Washington (1)
-
-
West Virginia (4)
-
Western U.S. (1)
-
Wyoming
-
Johnson County Wyoming (2)
-
Teapot Dome (1)
-
-
-
USSR (1)
-
Western Desert (1)
-
-
commodities
-
bitumens (1)
-
energy sources (1)
-
metal ores
-
gold ores (1)
-
silver ores (1)
-
-
mineral deposits, genesis (1)
-
mineral exploration (1)
-
oil and gas fields (1)
-
petroleum (1)
-
-
elements, isotopes
-
carbon
-
C-13/C-12 (8)
-
organic carbon (3)
-
-
isotope ratios (8)
-
isotopes
-
stable isotopes
-
C-13/C-12 (8)
-
O-18/O-16 (1)
-
-
-
metals
-
mercury (1)
-
-
nitrogen (1)
-
oxygen
-
O-18/O-16 (1)
-
-
phosphorus (1)
-
trace metals (1)
-
-
fossils
-
bacteria (2)
-
borings (2)
-
burrows (2)
-
Chordata
-
Vertebrata
-
Pisces
-
Chondrichthyes
-
Elasmobranchii (1)
-
-
Osteichthyes
-
Actinopterygii (1)
-
-
-
Tetrapoda
-
Amphibia
-
Labyrinthodontia (1)
-
-
Aves (1)
-
Mammalia (1)
-
Reptilia
-
Anapsida
-
Testudines
-
Chelonia (1)
-
-
-
Diapsida
-
Archosauria
-
dinosaurs
-
Saurischia
-
Sauropodomorpha
-
Sauropoda
-
Titanosauridae (1)
-
-
-
Theropoda (1)
-
-
-
-
-
Synapsida
-
Therapsida
-
Dicynodontia
-
Lystrosaurus (1)
-
-
-
-
-
-
-
-
coprolites (4)
-
fungi (5)
-
Graptolithina (3)
-
ichnofossils (12)
-
Invertebrata
-
Arthropoda
-
Chelicerata
-
Arachnida (3)
-
-
Mandibulata
-
Crustacea
-
Branchiopoda (1)
-
Ostracoda (4)
-
-
Insecta
-
Pterygota
-
Neoptera
-
Endopterygota
-
Diptera (2)
-
Hymenoptera (2)
-
Lepidoptera (1)
-
-
Exopterygota
-
Hemiptera (1)
-
Orthoptera (1)
-
Perlaria (1)
-
-
-
Palaeoptera
-
Odonata (1)
-
-
-
-
Myriapoda (2)
-
-
Trilobitomorpha
-
Trilobita
-
Ptychopariida (1)
-
-
-
-
Brachiopoda (6)
-
Cnidaria
-
Anthozoa (2)
-
-
Echinodermata (3)
-
Mollusca
-
Bivalvia (6)
-
Cephalopoda
-
Ammonoidea (1)
-
-
Gastropoda (4)
-
Scaphopoda (2)
-
Tentaculitida
-
Tentaculitidae
-
Tentaculites (1)
-
-
-
-
Porifera
-
Stromatoporoidea (2)
-
-
Protista
-
Foraminifera (5)
-
Silicoflagellata (1)
-
-
Vermes
-
Annelida (1)
-
Phoronida (1)
-
-
-
microfossils
-
Conodonta (2)
-
-
palynomorphs
-
acritarchs (2)
-
Dinoflagellata
-
Peridinium (1)
-
-
megaspores (17)
-
miospores
-
Momipites (1)
-
pollen (36)
-
-
-
Plantae
-
algae
-
Coccolithophoraceae (1)
-
diatoms (3)
-
-
Bryophyta
-
Musci (1)
-
-
Pteridophyta
-
Filicopsida
-
Archaeopteris (7)
-
Azolla (10)
-
Dicroidium (2)
-
Gleicheniaceae (1)
-
Pecopteris (6)
-
Sphenopteris (3)
-
Taeniopteris (2)
-
-
Lycopsida
-
Lepidodendron (8)
-
Lycopodium (5)
-
Sigillaria (5)
-
Stigmaria (11)
-
-
Psilopsida (2)
-
Pteridophyllen (1)
-
Sphenopsida
-
Equisetales
-
Calamites (12)
-
-
Sphenophyllum (5)
-
Sphenopteris (3)
-
-
-
Pteropsida (2)
-
Spermatophyta
-
Angiospermae
-
Dicotyledoneae
-
Alnus (1)
-
Betula (1)
-
Myrica (1)
-
Rosidae (2)
-
-
Monocotyledoneae
-
Palmae (2)
-
-
-
Gymnospermae
-
Bennettitales (4)
-
Caytoniales (1)
-
Coniferae (3)
-
Coniferales
-
Araucariaceae (1)
-
Pinaceae
-
Abies (1)
-
Larix (1)
-
-
Taxodiaceae
-
Metasequoia (1)
-
Sequoia (2)
-
-
Taxodium (2)
-
-
Cordaitales
-
Cordaites (6)
-
-
Cycadales (12)
-
Dadoxylon (1)
-
Ginkgoales
-
Ginkgo (1)
-
-
Glossopteridales
-
Glossopteris
-
Glossopteris flora (2)
-
-
-
Pteridospermae
-
Neuropteris (3)
-
-
-
-
-
thallophytes (7)
-
-
geochronology methods
-
fission-track dating (1)
-
K/Ar (1)
-
paleomagnetism (4)
-
Rb/Sr (1)
-
tree rings (2)
-
U/Pb (3)
-
-
geologic age
-
Cenozoic
-
lower Cenozoic (1)
-
Quaternary
-
Holocene
-
lower Holocene (1)
-
-
Pleistocene
-
lower Pleistocene (2)
-
-
-
Tertiary
-
lower Tertiary (1)
-
Neogene
-
Hemphillian (1)
-
Miocene
-
Ash Hollow Formation (1)
-
Barstovian (1)
-
Clarendonian (1)
-
lower Miocene (1)
-
middle Miocene (2)
-
upper Miocene (1)
-
Valentine Formation (1)
-
-
Ogallala Formation (1)
-
Pliocene
-
upper Pliocene (1)
-
-
-
Paleogene
-
Eocene
-
Chuckanut Formation (1)
-
Golden Valley Formation (1)
-
lower Eocene
-
Ypresian (1)
-
-
middle Eocene
-
Bartonian (1)
-
Claiborne Group (1)
-
Lutetian (1)
-
-
upper Eocene
-
Priabonian (1)
-
-
-
Kenai Group (1)
-
Oligocene
-
lower Oligocene
-
Rupelian (1)
-
-
-
Paleocene
-
lower Paleocene
-
K-T boundary (4)
-
-
middle Paleocene
-
Selandian (1)
-
-
Ravenscrag Formation (1)
-
Silverado Formation (1)
-
Tongue River Member (1)
-
upper Paleocene
-
Thanetian (1)
-
Tiffanian (2)
-
-
-
Paleocene-Eocene Thermal Maximum (1)
-
Wasatch Formation (1)
-
-
-
-
Mesozoic
-
Cretaceous
-
Dakota Formation (1)
-
Lower Cretaceous
-
Albian (3)
-
Aptian
-
lower Aptian (1)
-
-
Cheyenne Sandstone (1)
-
-
Middle Cretaceous (2)
-
Potomac Group (1)
-
Upper Cretaceous
-
Campanian (2)
-
Cenomanian
-
lower Cenomanian (1)
-
-
Hell Creek Formation (1)
-
Horseshoe Canyon Formation (1)
-
Javelina Formation (1)
-
K-T boundary (4)
-
Lameta Formation (1)
-
Maestrichtian (1)
-
Ojo Alamo Sandstone (1)
-
Rock Springs Formation (1)
-
Santonian (1)
-
Senonian (1)
-
-
-
Jurassic
-
Lower Jurassic (2)
-
Middle Jurassic
-
Aalenian (2)
-
Bathonian (1)
-
Callovian (1)
-
-
Upper Jurassic
-
Kimmeridgian (1)
-
Morrison Formation (1)
-
Oxfordian (1)
-
-
-
Navajo Sandstone (1)
-
Triassic
-
Fremouw Formation (2)
-
Lower Triassic
-
Induan (1)
-
Permian-Triassic boundary (3)
-
-
Middle Triassic
-
Ladinian (1)
-
-
Narrabeen Group (1)
-
Upper Triassic
-
Carnian
-
Ischigualasto Formation (1)
-
-
Chinle Formation (3)
-
Molteno Formation (1)
-
Norian (1)
-
-
-
-
Paleozoic
-
Bird Spring Formation (1)
-
Carboniferous
-
Albert Formation (1)
-
Benxi Formation (1)
-
Lower Carboniferous
-
Dinantian (4)
-
-
Mississippian
-
Lower Mississippian
-
Fort Payne Formation (1)
-
Tournaisian (2)
-
-
Middle Mississippian
-
Visean
-
upper Visean (1)
-
-
-
Upper Mississippian
-
Hartselle Sandstone (1)
-
Mauch Chunk Formation (1)
-
Meramecian
-
Saint Louis Limestone (1)
-
-
Serpukhovian (5)
-
-
-
Namurian (7)
-
Pennsylvanian
-
Brazil Formation (1)
-
Conemaugh Group (2)
-
Cumberland Group (2)
-
Herrin Coal Member (3)
-
Joggins Formation (7)
-
Lower Pennsylvanian
-
Bashkirian (1)
-
Caseyville Formation (3)
-
New River Formation (2)
-
-
Mary Lee Coal (1)
-
Mattoon Formation (1)
-
Middle Pennsylvanian
-
Breathitt Formation (1)
-
Carbondale Formation (3)
-
Desmoinesian
-
Wewoka Formation (1)
-
-
Kanawha Formation (1)
-
Moscovian (3)
-
Staunton Formation (2)
-
-
Monongahela Group (2)
-
Pottsville Group (2)
-
Springfield Coal Member (1)
-
Upper Pennsylvanian
-
Gzhelian (1)
-
Kasimovian (1)
-
Missourian
-
Seminole Formation (1)
-
-
-
-
Upper Carboniferous
-
Stephanian (6)
-
Westphalian (15)
-
-
-
Catskill Formation (1)
-
Devonian
-
Lower Devonian
-
Dittonian (1)
-
Emsian (1)
-
Lochkovian (1)
-
Pragian (1)
-
-
Middle Devonian
-
Eifelian (1)
-
Givetian (3)
-
-
Upper Devonian
-
Famennian (7)
-
Frasnian (3)
-
Palliser Formation (1)
-
-
-
Horton Group (1)
-
Itarare Subgroup (1)
-
Ordovician
-
Upper Ordovician
-
Caradocian (1)
-
-
-
Permian
-
Gharif Formation (1)
-
Guadalupian
-
Ufimian (1)
-
Wordian (1)
-
-
Khuff Formation (1)
-
Lower Permian
-
Al Khlata Formation (1)
-
Autunian (1)
-
Cisuralian
-
Kungurian (1)
-
-
Leonardian
-
Clear Fork Group (1)
-
-
-
Middle Permian (1)
-
Upper Permian
-
Kazanian (1)
-
Lopingian
-
Changhsingian (1)
-
-
Permian-Triassic boundary (3)
-
-
-
Silurian
-
Lower Silurian (1)
-
Upper Silurian
-
Ludlow
-
Gorstian (1)
-
-
Pridoli (1)
-
-
-
upper Paleozoic
-
Fountain Formation (1)
-
-
-
Phanerozoic (4)
-
Precambrian (1)
-
-
igneous rocks
-
igneous rocks
-
volcanic rocks
-
basalts
-
flood basalts (1)
-
-
pyroclastics
-
tuff (2)
-
-
-
-
-
metamorphic rocks
-
metamorphic rocks
-
phyllites (1)
-
-
turbidite (1)
-
-
minerals
-
minerals (1)
-
organic minerals
-
amber (2)
-
-
silicates
-
orthosilicates
-
nesosilicates
-
zircon group
-
zircon (2)
-
-
-
-
-
sulfides
-
pyrite (2)
-
-
-
Primary terms
-
absolute age (4)
-
Africa
-
Central Africa
-
Congo (1)
-
-
Madagascar (1)
-
North Africa
-
Algeria (1)
-
Atlas Mountains
-
Moroccan Atlas Mountains
-
Anti-Atlas (1)
-
-
-
Egypt (1)
-
Ghadames Basin (1)
-
Libya
-
Murzuk Basin (1)
-
-
Morocco
-
Moroccan Atlas Mountains
-
Anti-Atlas (1)
-
-
-
-
Sahara (2)
-
Southern Africa
-
Karoo Basin (1)
-
South Africa
-
Cape Province region (2)
-
KwaZulu-Natal South Africa (1)
-
Western Cape Province South Africa (1)
-
-
-
-
Antarctica
-
South Shetland Islands
-
Livingston Island (1)
-
-
Transantarctic Mountains
-
Queen Alexandra Range (1)
-
-
Victoria Land (3)
-
-
Arctic Ocean
-
Lomonosov Ridge (1)
-
-
Arctic region
-
Svalbard
-
Spitsbergen (1)
-
-
-
Asia
-
Arabian Peninsula
-
Oman (1)
-
Qatar (1)
-
Saudi Arabia (1)
-
-
Central Asia
-
Aral region (1)
-
Kazakhstan (1)
-
Turgay Basin (1)
-
-
Far East
-
China
-
Guizhou China (1)
-
Hainan China (1)
-
Inner Mongolia China (4)
-
Liaoning China (1)
-
North China Platform (1)
-
Shanxi China
-
Taiyuan China (1)
-
-
South China Block (1)
-
Xinjiang China (1)
-
Yunnan China (3)
-
-
Indonesia
-
Sumatra (2)
-
-
Japan (1)
-
-
Himalayas (1)
-
Indian Peninsula
-
India
-
Gujarat India
-
Saurashtra (1)
-
-
Jharkhand India (1)
-
Madhya Pradesh India
-
Chhindwara India (1)
-
-
Northeastern India
-
Assam India (1)
-
-
-
Jammu and Kashmir
-
Kashmir (1)
-
-
-
Krasnoyarsk Russian Federation (1)
-
Kurgan Russian Federation (1)
-
Middle East
-
Israel
-
Negev (1)
-
-
Jordan (1)
-
-
Novosibirsk Russian Federation (1)
-
Omsk Russian Federation (2)
-
Siberia (1)
-
Siberian Platform (1)
-
Tomsk Russian Federation (1)
-
Turan (1)
-
Tuva Russian Federation (1)
-
Tyumen Russian Federation (1)
-
West Siberia
-
Minusinsk Basin (1)
-
-
-
Atlantic Ocean
-
North Atlantic
-
Bay of Fundy (2)
-
North Sea (1)
-
Porcupine Basin (1)
-
-
-
Australasia
-
Australia
-
New South Wales Australia (1)
-
Queensland Australia (2)
-
Tasmania Australia (1)
-
Victoria Australia (2)
-
Western Australia
-
Canning Basin (1)
-
-
-
New Zealand
-
Coromandel Peninsula (1)
-
Marlborough New Zealand (1)
-
Taupo volcanic zone (1)
-
Waiotapu New Zealand (1)
-
-
-
bacteria (2)
-
bibliography (1)
-
biogeography (29)
-
bitumens (1)
-
Canada
-
Eastern Canada
-
Maritime Provinces
-
New Brunswick
-
Saint John County New Brunswick
-
Saint John New Brunswick (1)
-
-
-
Nova Scotia
-
Cape Breton Island (4)
-
Cumberland County Nova Scotia (4)
-
-
-
-
Nunavut
-
Ellesmere Island (1)
-
-
Queen Elizabeth Islands
-
Ellesmere Island (1)
-
-
Western Canada
-
Alberta
-
Drumheller Alberta (1)
-
Red Deer River valley (1)
-
-
British Columbia
-
Princeton British Columbia (1)
-
-
Manitoba (2)
-
Saskatchewan (1)
-
Yukon Territory (1)
-
-
-
carbon
-
C-13/C-12 (8)
-
organic carbon (3)
-
-
Caribbean region
-
West Indies
-
Antilles
-
Greater Antilles
-
Hispaniola
-
Dominican Republic (2)
-
-
-
-
-
-
Cenozoic
-
lower Cenozoic (1)
-
Quaternary
-
Holocene
-
lower Holocene (1)
-
-
Pleistocene
-
lower Pleistocene (2)
-
-
-
Tertiary
-
lower Tertiary (1)
-
Neogene
-
Hemphillian (1)
-
Miocene
-
Ash Hollow Formation (1)
-
Barstovian (1)
-
Clarendonian (1)
-
lower Miocene (1)
-
middle Miocene (2)
-
upper Miocene (1)
-
Valentine Formation (1)
-
-
Ogallala Formation (1)
-
Pliocene
-
upper Pliocene (1)
-
-
-
Paleogene
-
Eocene
-
Chuckanut Formation (1)
-
Golden Valley Formation (1)
-
lower Eocene
-
Ypresian (1)
-
-
middle Eocene
-
Bartonian (1)
-
Claiborne Group (1)
-
Lutetian (1)
-
-
upper Eocene
-
Priabonian (1)
-
-
-
Kenai Group (1)
-
Oligocene
-
lower Oligocene
-
Rupelian (1)
-
-
-
Paleocene
-
lower Paleocene
-
K-T boundary (4)
-
-
middle Paleocene
-
Selandian (1)
-
-
Ravenscrag Formation (1)
-
Silverado Formation (1)
-
Tongue River Member (1)
-
upper Paleocene
-
Thanetian (1)
-
Tiffanian (2)
-
-
-
Paleocene-Eocene Thermal Maximum (1)
-
Wasatch Formation (1)
-
-
-
-
Chordata
-
Vertebrata
-
Pisces
-
Chondrichthyes
-
Elasmobranchii (1)
-
-
Osteichthyes
-
Actinopterygii (1)
-
-
-
Tetrapoda
-
Amphibia
-
Labyrinthodontia (1)
-
-
Aves (1)
-
Mammalia (1)
-
Reptilia
-
Anapsida
-
Testudines
-
Chelonia (1)
-
-
-
Diapsida
-
Archosauria
-
dinosaurs
-
Saurischia
-
Sauropodomorpha
-
Sauropoda
-
Titanosauridae (1)
-
-
-
Theropoda (1)
-
-
-
-
-
Synapsida
-
Therapsida
-
Dicynodontia
-
Lystrosaurus (1)
-
-
-
-
-
-
-
-
climate change (8)
-
continental drift (1)
-
continental slope (1)
-
coprolites (4)
-
data processing (1)
-
Deep Sea Drilling Project
-
IPOD
-
Leg 85
-
DSDP Site 574 (1)
-
-
-
-
diagenesis (2)
-
ecology (2)
-
energy sources (1)
-
Eurasia (1)
-
Europe
-
Alps
-
Eastern Alps
-
Northern Limestone Alps (1)
-
-
Limestone Alps
-
Northern Limestone Alps (1)
-
-
-
Baltic region (2)
-
Campine (1)
-
Central Europe
-
Austria
-
Tyrol Austria (1)
-
-
Czech Republic
-
Bohemia
-
Pilsen Basin (1)
-
-
Bohemian Basin (1)
-
Moravia
-
Ostrava-Karvina (1)
-
-
-
Germany
-
Saar-Nahe Basin (1)
-
Saxony Germany
-
Chemnitz Germany (1)
-
-
Saxony-Anhalt Germany
-
Bitterfeld Germany (1)
-
-
-
Northern Limestone Alps (1)
-
Poland
-
Slaskie Poland
-
Katowice Poland (2)
-
-
-
Sudetic Basin (1)
-
Upper Silesian coal basin (3)
-
-
Donets Basin (2)
-
Fennoscandia (1)
-
Kirov Russian Federation (1)
-
Komi Russian Federation
-
Pechora Russian Federation (1)
-
-
Kursk Russian Federation (1)
-
Southern Europe
-
Bulgaria (1)
-
Iberian Peninsula
-
Spain
-
Andalusia Spain
-
Seville Spain (1)
-
-
Castilla y Leon Spain (1)
-
-
-
Italy
-
Sardinia Italy (1)
-
-
-
Timan Ridge (1)
-
Ukraine
-
Boltyshka Depression (2)
-
Podolia (1)
-
-
Vologda Russian Federation (1)
-
Western Europe
-
Belgium
-
Flanders Belgium
-
Antwerp Belgium (1)
-
-
-
France
-
Armorican Massif (1)
-
Aveyron France
-
Decazeville France (1)
-
-
Burgundy (1)
-
Central Massif (1)
-
Herault France
-
Lodeve Basin (1)
-
-
Isere France (1)
-
Languedoc (1)
-
Saone-et-Loire France (1)
-
-
Scandinavia
-
Denmark (1)
-
Sweden
-
Skane Sweden (2)
-
-
-
United Kingdom
-
Great Britain
-
England
-
Bristol England (1)
-
East Anglia
-
Suffolk England (1)
-
-
Hampshire Basin (1)
-
Kent England (1)
-
Lancashire England (1)
-
Newcastle England (1)
-
Shropshire England (2)
-
Somerset England (2)
-
Staffordshire England (1)
-
Welsh Borderland (1)
-
Yorkshire England
-
North Yorkshire England (2)
-
-
-
Scotland (3)
-
Wales
-
Powys Wales (1)
-
South Wales (1)
-
South Wales coal field (1)
-
-
-
-
Wadden Sea (1)
-
-
-
faults (2)
-
folds (1)
-
fungi (5)
-
geochemistry (7)
-
geochronology (2)
-
geomorphology (1)
-
geophysical methods (2)
-
glacial geology (5)
-
Graptolithina (3)
-
ground water (2)
-
hydrogeology (1)
-
hydrology (1)
-
ichnofossils (12)
-
igneous rocks
-
volcanic rocks
-
basalts
-
flood basalts (1)
-
-
pyroclastics
-
tuff (2)
-
-
-
-
inclusions (1)
-
Indian Ocean Islands
-
Madagascar (1)
-
-
Integrated Ocean Drilling Program
-
Expedition 307
-
IODP Site U1318 (1)
-
-
-
intrusions (1)
-
Invertebrata
-
Arthropoda
-
Chelicerata
-
Arachnida (3)
-
-
Mandibulata
-
Crustacea
-
Branchiopoda (1)
-
Ostracoda (4)
-
-
Insecta
-
Pterygota
-
Neoptera
-
Endopterygota
-
Diptera (2)
-
Hymenoptera (2)
-
Lepidoptera (1)
-
-
Exopterygota
-
Hemiptera (1)
-
Orthoptera (1)
-
Perlaria (1)
-
-
-
Palaeoptera
-
Odonata (1)
-
-
-
-
Myriapoda (2)
-
-
Trilobitomorpha
-
Trilobita
-
Ptychopariida (1)
-
-
-
-
Brachiopoda (6)
-
Cnidaria
-
Anthozoa (2)
-
-
Echinodermata (3)
-
Mollusca
-
Bivalvia (6)
-
Cephalopoda
-
Ammonoidea (1)
-
-
Gastropoda (4)
-
Scaphopoda (2)
-
Tentaculitida
-
Tentaculitidae
-
Tentaculites (1)
-
-
-
-
Porifera
-
Stromatoporoidea (2)
-
-
Protista
-
Foraminifera (5)
-
Silicoflagellata (1)
-
-
Vermes
-
Annelida (1)
-
Phoronida (1)
-
-
-
isotopes
-
stable isotopes
-
C-13/C-12 (8)
-
O-18/O-16 (1)
-
-
-
maps (1)
-
Mesozoic
-
Cretaceous
-
Dakota Formation (1)
-
Lower Cretaceous
-
Albian (3)
-
Aptian
-
lower Aptian (1)
-
-
Cheyenne Sandstone (1)
-
-
Middle Cretaceous (2)
-
Potomac Group (1)
-
Upper Cretaceous
-
Campanian (2)
-
Cenomanian
-
lower Cenomanian (1)
-
-
Hell Creek Formation (1)
-
Horseshoe Canyon Formation (1)
-
Javelina Formation (1)
-
K-T boundary (4)
-
Lameta Formation (1)
-
Maestrichtian (1)
-
Ojo Alamo Sandstone (1)
-
Rock Springs Formation (1)
-
Santonian (1)
-
Senonian (1)
-
-
-
Jurassic
-
Lower Jurassic (2)
-
Middle Jurassic
-
Aalenian (2)
-
Bathonian (1)
-
Callovian (1)
-
-
Upper Jurassic
-
Kimmeridgian (1)
-
Morrison Formation (1)
-
Oxfordian (1)
-
-
-
Navajo Sandstone (1)
-
Triassic
-
Fremouw Formation (2)
-
Lower Triassic
-
Induan (1)
-
Permian-Triassic boundary (3)
-
-
Middle Triassic
-
Ladinian (1)
-
-
Narrabeen Group (1)
-
Upper Triassic
-
Carnian
-
Ischigualasto Formation (1)
-
-
Chinle Formation (3)
-
Molteno Formation (1)
-
Norian (1)
-
-
-
-
metal ores
-
gold ores (1)
-
silver ores (1)
-
-
metals
-
mercury (1)
-
-
metamorphic rocks
-
phyllites (1)
-
-
metasomatism (1)
-
Mexico
-
Puebla Mexico (1)
-
-
mineral deposits, genesis (1)
-
mineral exploration (1)
-
minerals (1)
-
nitrogen (1)
-
North America
-
Appalachian Basin (7)
-
Appalachians
-
Appalachian Plateau (3)
-
Catskill Mountains (1)
-
Central Appalachians (1)
-
-
Gulf Coastal Plain (2)
-
Western Interior
-
Western Interior Seaway (1)
-
-
Williston Basin (3)
-
-
Northern Hemisphere (1)
-
ocean basins (1)
-
oil and gas fields (1)
-
orogeny (1)
-
oxygen
-
O-18/O-16 (1)
-
-
Pacific Ocean
-
Equatorial Pacific (1)
-
-
paleobotany (48)
-
paleoclimatology (57)
-
paleoecology (120)
-
paleogeography (32)
-
paleomagnetism (4)
-
paleontology (33)
-
Paleozoic
-
Bird Spring Formation (1)
-
Carboniferous
-
Albert Formation (1)
-
Benxi Formation (1)
-
Lower Carboniferous
-
Dinantian (4)
-
-
Mississippian
-
Lower Mississippian
-
Fort Payne Formation (1)
-
Tournaisian (2)
-
-
Middle Mississippian
-
Visean
-
upper Visean (1)
-
-
-
Upper Mississippian
-
Hartselle Sandstone (1)
-
Mauch Chunk Formation (1)
-
Meramecian
-
Saint Louis Limestone (1)
-
-
Serpukhovian (5)
-
-
-
Namurian (7)
-
Pennsylvanian
-
Brazil Formation (1)
-
Conemaugh Group (2)
-
Cumberland Group (2)
-
Herrin Coal Member (3)
-
Joggins Formation (7)
-
Lower Pennsylvanian
-
Bashkirian (1)
-
Caseyville Formation (3)
-
New River Formation (2)
-
-
Mary Lee Coal (1)
-
Mattoon Formation (1)
-
Middle Pennsylvanian
-
Breathitt Formation (1)
-
Carbondale Formation (3)
-
Desmoinesian
-
Wewoka Formation (1)
-
-
Kanawha Formation (1)
-
Moscovian (3)
-
Staunton Formation (2)
-
-
Monongahela Group (2)
-
Pottsville Group (2)
-
Springfield Coal Member (1)
-
Upper Pennsylvanian
-
Gzhelian (1)
-
Kasimovian (1)
-
Missourian
-
Seminole Formation (1)
-
-
-
-
Upper Carboniferous
-
Stephanian (6)
-
Westphalian (15)
-
-
-
Catskill Formation (1)
-
Devonian
-
Lower Devonian
-
Dittonian (1)
-
Emsian (1)
-
Lochkovian (1)
-
Pragian (1)
-
-
Middle Devonian
-
Eifelian (1)
-
Givetian (3)
-
-
Upper Devonian
-
Famennian (7)
-
Frasnian (3)
-
Palliser Formation (1)
-
-
-
Horton Group (1)
-
Itarare Subgroup (1)
-
Ordovician
-
Upper Ordovician
-
Caradocian (1)
-
-
-
Permian
-
Gharif Formation (1)
-
Guadalupian
-
Ufimian (1)
-
Wordian (1)
-
-
Khuff Formation (1)
-
Lower Permian
-
Al Khlata Formation (1)
-
Autunian (1)
-
Cisuralian
-
Kungurian (1)
-
-
Leonardian
-
Clear Fork Group (1)
-
-
-
Middle Permian (1)
-
Upper Permian
-
Kazanian (1)
-
Lopingian
-
Changhsingian (1)
-
-
Permian-Triassic boundary (3)
-
-
-
Silurian
-
Lower Silurian (1)
-
Upper Silurian
-
Ludlow
-
Gorstian (1)
-
-
Pridoli (1)
-
-
-
upper Paleozoic
-
Fountain Formation (1)
-
-
-
palynology (2)
-
palynomorphs
-
acritarchs (2)
-
Dinoflagellata
-
Peridinium (1)
-
-
megaspores (17)
-
miospores
-
Momipites (1)
-
pollen (36)
-
-
-
petroleum (1)
-
petrology (1)
-
Phanerozoic (4)
-
phosphorus (1)
-
Plantae
-
algae
-
Coccolithophoraceae (1)
-
diatoms (3)
-
-
Bryophyta
-
Musci (1)
-
-
Pteridophyta
-
Filicopsida
-
Archaeopteris (7)
-
Azolla (10)
-
Dicroidium (2)
-
Gleicheniaceae (1)
-
Pecopteris (6)
-
Sphenopteris (3)
-
Taeniopteris (2)
-
-
Lycopsida
-
Lepidodendron (8)
-
Lycopodium (5)
-
Sigillaria (5)
-
Stigmaria (11)
-
-
Psilopsida (2)
-
Pteridophyllen (1)
-
Sphenopsida
-
Equisetales
-
Calamites (12)
-
-
Sphenophyllum (5)
-
Sphenopteris (3)
-
-
-
Pteropsida (2)
-
Spermatophyta
-
Angiospermae
-
Dicotyledoneae
-
Alnus (1)
-
Betula (1)
-
Myrica (1)
-
Rosidae (2)
-
-
Monocotyledoneae
-
Palmae (2)
-
-
-
Gymnospermae
-
Bennettitales (4)
-
Caytoniales (1)
-
Coniferae (3)
-
Coniferales
-
Araucariaceae (1)
-
Pinaceae
-
Abies (1)
-
Larix (1)
-
-
Taxodiaceae
-
Metasequoia (1)
-
Sequoia (2)
-
-
Taxodium (2)
-
-
Cordaitales
-
Cordaites (6)
-
-
Cycadales (12)
-
Dadoxylon (1)
-
Ginkgoales
-
Ginkgo (1)
-
-
Glossopteridales
-
Glossopteris
-
Glossopteris flora (2)
-
-
-
Pteridospermae
-
Neuropteris (3)
-
-
-
-
-
Precambrian (1)
-
sea water (1)
-
sea-level changes (8)
-
sedimentary petrology (1)
-
sedimentary rocks
-
carbonate rocks
-
limestone (3)
-
-
chemically precipitated rocks
-
chert (2)
-
evaporites (1)
-
siliceous sinter (1)
-
-
clastic rocks
-
black shale (2)
-
claystone (1)
-
conglomerate (2)
-
diamictite (1)
-
mudstone (6)
-
red beds (4)
-
sandstone (10)
-
shale (7)
-
siltstone (1)
-
-
coal
-
lignite (2)
-
-
oil shale (1)
-
tripoli (1)
-
-
sedimentary structures
-
bedding plane irregularities
-
dune structures (1)
-
-
biogenic structures
-
bioturbation (1)
-
-
planar bedding structures
-
bedding (1)
-
cross-bedding (1)
-
laminations (2)
-
varves (1)
-
-
rhizoliths (3)
-
secondary structures
-
concretions (3)
-
-
-
sedimentation (9)
-
sediments
-
clastic sediments
-
alluvium (2)
-
flint clay (1)
-
gravel (1)
-
sand (1)
-
-
marine sediments (2)
-
peat (11)
-
-
soils (3)
-
South America
-
Amazon Basin (2)
-
Andes
-
Eastern Cordillera (1)
-
-
Argentina
-
Buenos Aires Argentina (1)
-
Catamarca Argentina (1)
-
La Rioja Argentina (1)
-
Salta Argentina (1)
-
San Juan Argentina (1)
-
San Luis Argentina (1)
-
Santa Cruz Argentina
-
Deseado Massif (1)
-
-
-
Bolivia (5)
-
Brazil
-
Amazonas Brazil (1)
-
Manaus Brazil (1)
-
Maranhao Brazil (1)
-
Parnaiba Basin (1)
-
Piaui Brazil (1)
-
Rio de Janeiro Brazil
-
Guanabara Bay (1)
-
-
Rio Grande do Sul Brazil (2)
-
Solimoes Basin (1)
-
-
Chile (1)
-
Colombia
-
Magdalena Valley (1)
-
-
Guiana Shield (1)
-
Paraguay (1)
-
Patagonia (1)
-
Peru (1)
-
Uruguay (1)
-
Venezuela (3)
-
-
Southern Hemisphere (3)
-
spectroscopy (1)
-
springs (1)
-
stratigraphy (26)
-
tectonics
-
salt tectonics (1)
-
-
thallophytes (7)
-
thermal analysis (1)
-
thermal waters (1)
-
United States
-
Alabama
-
Blount County Alabama (2)
-
Clay County Alabama (1)
-
Walker County Alabama (2)
-
-
Alaska
-
Alaska Range (1)
-
Aleutian Islands
-
Adak Island (1)
-
-
Kenai Peninsula (1)
-
-
Arizona
-
Coconino County Arizona (1)
-
Navajo County Arizona (1)
-
Petrified Forest National Park (2)
-
-
Arkansas
-
Hot Spring County Arkansas (1)
-
Washington County Arkansas
-
Fayetteville Arkansas (1)
-
-
-
Black Warrior Basin (2)
-
California
-
Orange County California (1)
-
Riverside County California (1)
-
-
Catskill Delta (1)
-
Central Basin Platform (1)
-
Colorado
-
Arapahoe County Colorado (1)
-
Douglas County Colorado (1)
-
Fremont County Colorado
-
Canon City Colorado (1)
-
-
-
Connecticut
-
Hartford County Connecticut (1)
-
Middlesex County Connecticut (1)
-
New London County Connecticut (1)
-
-
Denver Basin
-
-