Skip Nav Destination
tephrochronology
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
-
Afar (1)
-
East Africa
-
Afar Depression (1)
-
Ethiopia (4)
-
Kenya
-
Kenya Rift valley (1)
-
-
Lake Turkana (1)
-
Turkana Basin (1)
-
-
East African Lakes
-
Lake Turkana (1)
-
-
Southern Africa
-
Namibia (1)
-
-
-
Antarctica
-
Antarctic ice sheet
-
East Antarctic ice sheet (1)
-
West Antarctic ice sheet (1)
-
-
East Antarctica (1)
-
Marie Byrd Land (2)
-
Transantarctic Mountains (2)
-
Victoria Land
-
Allan Hills (1)
-
McMurdo dry valleys (1)
-
-
West Antarctica (2)
-
-
Arctic Ocean (2)
-
Arctic region
-
Svalbard
-
Spitsbergen
-
Spitsbergen Island (1)
-
-
-
-
Asia
-
Arabian Peninsula
-
Oman (1)
-
-
Far East
-
China
-
Guizhou China (1)
-
Hubei China (1)
-
Meishan China (1)
-
Nanpanjiang Basin (1)
-
Yangtze Three Gorges (1)
-
-
Indonesia
-
Sumatra
-
Toba Lake (4)
-
-
-
Japan
-
Honshu
-
Chiba Peninsula (3)
-
Tokyo Bay (1)
-
-
-
Malaysia (1)
-
-
Indian Peninsula
-
Pakistan
-
North-West Frontier Pakistan
-
Peshawar Pakistan (1)
-
-
-
-
Kamchatka Russian Federation
-
Kamchatka Peninsula
-
Sheveluch (1)
-
-
-
Russian Far East (1)
-
Russian Pacific region (2)
-
Southeast Asia (1)
-
-
Atlantic Ocean
-
North Atlantic
-
Goban Spur (1)
-
Labrador Sea (1)
-
North Sea (1)
-
Northeast Atlantic (1)
-
-
-
Atlantic Ocean Islands
-
Azores (1)
-
Faeroe Islands (2)
-
-
Australasia
-
Australia
-
South Australia (1)
-
Victoria Australia (1)
-
-
New Zealand
-
Auckland New Zealand (1)
-
Hawke's Bay New Zealand (1)
-
Marlborough fault system (1)
-
Taranaki New Zealand (1)
-
Taupo volcanic zone (3)
-
Waipaoa River (1)
-
-
-
Avalon Zone (1)
-
Bear Lake (1)
-
Bear River basin (1)
-
Cache Valley (1)
-
Canada
-
Cassiar Mountains (1)
-
Eastern Canada
-
Maritime Provinces
-
New Brunswick
-
Saint John County New Brunswick
-
Saint John New Brunswick (1)
-
-
-
-
Quebec (1)
-
-
North Saskatchewan River (1)
-
Western Canada
-
Alberta
-
Banff Alberta (1)
-
Banff National Park (5)
-
Calgary Alberta (1)
-
Jasper National Park (2)
-
-
British Columbia
-
Fraser River delta (1)
-
Omineca Mountains (1)
-
Skeena Mountains (1)
-
Vancouver Island (1)
-
-
Canadian Cordillera (1)
-
Canadian Rocky Mountains (5)
-
Northwest Territories (1)
-
Saskatchewan (7)
-
Yukon Territory
-
Dawson Yukon Territory (1)
-
Klondike (4)
-
Kluane Lake (1)
-
-
-
-
Caribbean region
-
West Indies
-
Antilles
-
Lesser Antilles
-
Montserrat Island
-
Soufriere Hills (1)
-
-
Saint Vincent (1)
-
Soufriere (1)
-
-
-
-
-
Cascade Range (11)
-
Central America
-
Costa Rica (1)
-
Guatemala (3)
-
Nicaragua (1)
-
-
Central Cordillera (1)
-
Channeled Scabland (1)
-
Coast Ranges (3)
-
Colorado River (3)
-
Columbia ice field (1)
-
Commonwealth of Independent States
-
Russian Federation
-
Kamchatka Russian Federation
-
Kamchatka Peninsula
-
Sheveluch (1)
-
-
-
Russian Far East (1)
-
Russian Pacific region (2)
-
-
Urals (1)
-
-
Copper Canyon (1)
-
Death Valley (3)
-
Espanola Basin (1)
-
Europe
-
Baltic region (1)
-
Carpathian Foredeep (1)
-
Carpathians
-
Polish Carpathians (1)
-
-
Central Europe
-
Germany
-
Eifel (2)
-
Rhineland-Palatinate Germany
-
Laacher See (1)
-
Meerfeld crater lake (1)
-
-
Saar-Nahe Basin (1)
-
-
Poland
-
Polish Carpathians (1)
-
-
-
Rhenish Schiefergebirge
-
Eifel (2)
-
-
Southern Europe
-
Italy
-
Apennines
-
Southern Apennines (3)
-
-
Basilicata Italy (1)
-
Calabria Italy (1)
-
Lucania (1)
-
Sicily Italy (1)
-
Umbria Italy
-
Perugia Italy
-
Gubbio Italy (1)
-
-
-
-
-
Western Europe
-
France
-
Paris Basin (2)
-
-
Iceland
-
Eyjafjallajokull (1)
-
Hekla (1)
-
Katla (1)
-
Vatnajokull (1)
-
-
Ireland (1)
-
Scandinavia
-
Norway
-
Southern Norway (1)
-
-
-
United Kingdom
-
Great Britain
-
England
-
London Basin (1)
-
-
Scotland (2)
-
-
-
-
-
Glacier Peak (4)
-
Glass Mountains (1)
-
Grand Canyon (2)
-
Granite Mountains (1)
-
Green River basin (2)
-
Indian Ocean
-
Bay of Bengal (1)
-
-
Lake Mead (1)
-
Long Valley (1)
-
Meade Basin (1)
-
Mediterranean region (2)
-
Mediterranean Sea (1)
-
Mexico
-
Chiapas Mexico (1)
-
Mexico state
-
Federal District Mexico
-
Mexico City Mexico (1)
-
-
Nevado de Toluca (3)
-
-
Popocatepetl (2)
-
Trans-Mexican volcanic belt (1)
-
-
Mohawk Valley (1)
-
Mount Baker (1)
-
North America
-
Appalachian Basin (1)
-
Appalachians
-
Central Appalachians (1)
-
-
Basin and Range Province
-
Great Basin (2)
-
-
Glacier National Park (2)
-
Great Lakes region (1)
-
Great Plains
-
Southern Great Plains (1)
-
-
Gulf Coastal Plain (1)
-
North American Cordillera
-
Canadian Cordillera (1)
-
-
Rio Grande Rift (3)
-
Rocky Mountains
-
Canadian Rocky Mountains (5)
-
Central Rocky Mountains (1)
-
Northern Rocky Mountains (1)
-
U. S. Rocky Mountains
-
San Juan Mountains (1)
-
Wind River Range (1)
-
-
-
Saint Elias Mountains (1)
-
Saint Lawrence Lowlands (1)
-
Yukon River (1)
-
Yukon-Tanana Upland (1)
-
-
North Island (11)
-
Northern Hemisphere (2)
-
Old Crow Basin (1)
-
Pacific Ocean
-
East Pacific
-
Northeast Pacific
-
Gulf of Alaska (1)
-
Middle America Trench (1)
-
-
-
Equatorial Pacific (2)
-
North Pacific
-
Bering Sea (1)
-
Northeast Pacific
-
Gulf of Alaska (1)
-
Middle America Trench (1)
-
-
Northwest Pacific
-
South China Sea (3)
-
-
-
South Pacific (1)
-
West Pacific
-
Northwest Pacific
-
South China Sea (3)
-
-
-
-
Red Sea region (1)
-
Rio Grande (2)
-
Ruby Mountains (1)
-
San Andreas Fault (2)
-
San Juan Basin (1)
-
Sierra Nevada (6)
-
South America
-
Amazon Basin (1)
-
Andes
-
Central Andes (1)
-
Eastern Cordillera (1)
-
-
Argentina
-
Mendoza Argentina (1)
-
-
Colombia
-
Magdalena Valley (1)
-
-
Peru (2)
-
-
South Island (1)
-
Southern Ocean
-
Ross Sea (2)
-
-
United States
-
Alaska
-
Alaska Peninsula (2)
-
Aleutian Islands (3)
-
Brooks Range (1)
-
Fairbanks Alaska (2)
-
Fairbanks District (1)
-
Katmai (1)
-
Kenai Peninsula (4)
-
Kenai Quadrangle (1)
-
Novarupta (1)
-
Valley of Ten Thousand Smokes (1)
-
-
Albuquerque Basin (1)
-
Arizona
-
Coconino County Arizona (1)
-
Mohave County Arizona (3)
-
Yuma County Arizona (1)
-
-
California
-
Central California (1)
-
Contra Costa County California (1)
-
Inyo County California (1)
-
Kern County California (1)
-
Lassen County California (1)
-
Mono County California
-
Inyo Domes (1)
-
Mono Basin (1)
-
Mono Craters (3)
-
Mono Lake (1)
-
-
Nevada County California (1)
-
Northern California (5)
-
Plumas County California (1)
-
San Bernardino County California (2)
-
San Francisco Bay region (3)
-
Santa Barbara County California (1)
-
Shasta County California
-
Lassen Peak (1)
-
-
Siskiyou County California (1)
-
Sonoma County California (1)
-
Southern California (5)
-
Ventura Basin (1)
-
Ventura County California (1)
-
-
Colorado
-
Gunnison River (2)
-
-
Colorado Plateau (3)
-
Columbia Plateau (2)
-
Eastern California shear zone (1)
-
Great Basin (2)
-
Idaho
-
Adams County Idaho (1)
-
Bannock Range (1)
-
Bear Lake County Idaho (1)
-
Fremont County Idaho (1)
-
Snake River plain (4)
-
Washington County Idaho (1)
-
-
Iowa (1)
-
Kansas
-
Meade County Kansas (1)
-
Seward County Kansas (1)
-
-
Kentucky (1)
-
Michigan (1)
-
Midcontinent (1)
-
Minnesota (1)
-
Mississippi Valley
-
Upper Mississippi Valley (1)
-
-
Mojave Desert (2)
-
Montana
-
Flathead County Montana (2)
-
Glacier County Montana (1)
-
-
Nevada
-
Churchill County Nevada (1)
-
Elko County Nevada
-
East Humboldt Range (1)
-
Pequop Mountains (1)
-
-
Esmeralda County Nevada
-
Silver Peak Mountains (1)
-
-
Lander County Nevada (1)
-
Mineral County Nevada (1)
-
Shoshone Mountains (1)
-
Toiyabe Range (1)
-
Washoe County Nevada
-
Reno Nevada (1)
-
-
-
New Mexico
-
Datil-Mogollon volcanic field (1)
-
Jemez Mountains (2)
-
San Juan County New Mexico (1)
-
Sandoval County New Mexico (2)
-
Santa Fe County New Mexico (1)
-
Valles Caldera (2)
-
-
New York (2)
-
Ohio (1)
-
Oregon
-
Baker County Oregon (1)
-
Deschutes County Oregon
-
Newberry Volcano (1)
-
-
Lake County Oregon (1)
-
Lane County Oregon (1)
-
Wallowa County Oregon (1)
-
-
Pennsylvania (1)
-
Southwestern U.S. (2)
-
Tennessee (1)
-
Texas (2)
-
Trans-Pecos (1)
-
U. S. Rocky Mountains
-
San Juan Mountains (1)
-
Wind River Range (1)
-
-
Uncompahgre Uplift (1)
-
Utah
-
Box Elder County Utah (1)
-
Grand County Utah (1)
-
Juab County Utah (1)
-
Kane County Utah (1)
-
Millard County Utah (1)
-
Rich County Utah (1)
-
Tooele County Utah (1)
-
Washington County Utah (1)
-
-
Virginia (1)
-
Walker Lane (2)
-
Washington
-
Adams County Washington (1)
-
Chelan County Washington (1)
-
Douglas County Washington (1)
-
King County Washington (1)
-
Lewis County Washington (1)
-
Pierce County Washington (1)
-
Skamania County Washington
-
Mount Saint Helens (6)
-
-
Snohomish County Washington (4)
-
Stevens County Washington (1)
-
Toutle River (1)
-
Walla Walla County Washington (1)
-
Whatcom County Washington (2)
-
Yakima County Washington (1)
-
-
West Virginia (1)
-
Western U.S. (7)
-
Wisconsin (1)
-
Wyoming
-
Fremont County Wyoming (2)
-
Natrona County Wyoming (1)
-
Park County Wyoming (1)
-
Sweetwater County Wyoming (3)
-
Teton County Wyoming
-
Jackson Hole (1)
-
-
Wind River Range (1)
-
-
Yellowstone National Park (1)
-
-
Walker Lake (1)
-
Wind River basin (1)
-
-
commodities
-
bentonite deposits (1)
-
metal ores
-
gold ores (2)
-
-
mineral deposits, genesis (1)
-
petroleum (1)
-
zircon deposits (1)
-
-
elements, isotopes
-
carbon
-
C-13/C-12 (11)
-
C-14 (48)
-
C-14/C-12 (1)
-
-
halogens
-
chlorine
-
Cl-36 (2)
-
-
-
isotope ratios (14)
-
isotopes
-
radioactive isotopes
-
Al-26 (2)
-
Be-10 (4)
-
C-14 (48)
-
C-14/C-12 (1)
-
Cl-36 (2)
-
Cs-137 (2)
-
Pb-210 (3)
-
-
stable isotopes
-
Ar-40 (1)
-
C-13/C-12 (11)
-
C-14/C-12 (1)
-
O-18/O-16 (7)
-
Sr-87/Sr-86 (2)
-
-
-
metals
-
actinides
-
thorium (1)
-
uranium (2)
-
-
alkali metals
-
cesium
-
Cs-137 (2)
-
-
-
alkaline earth metals
-
beryllium
-
Be-10 (4)
-
-
strontium
-
Sr-87/Sr-86 (2)
-
-
-
aluminum
-
Al-26 (2)
-
-
lead
-
Pb-210 (3)
-
-
rare earths
-
europium (1)
-
-
titanium (1)
-
-
noble gases
-
argon
-
Ar-40 (1)
-
-
-
oxygen
-
O-18/O-16 (7)
-
-
-
fossils
-
Chordata
-
Vertebrata
-
Pisces (1)
-
Tetrapoda
-
Mammalia (6)
-
Reptilia
-
Diapsida
-
Archosauria
-
dinosaurs (1)
-
-
-
-
-
-
-
cyanobacteria (3)
-
Graptolithina (2)
-
ichnofossils (1)
-
Invertebrata
-
Arthropoda
-
Mandibulata
-
Crustacea
-
Ostracoda (1)
-
-
Insecta
-
Pterygota
-
Neoptera
-
Endopterygota
-
Coleoptera (2)
-
-
-
-
-
-
-
Brachiopoda (2)
-
Mollusca
-
Cephalopoda
-
Ammonoidea (1)
-
-
Gastropoda (1)
-
-
Protista
-
Foraminifera
-
Rotaliina
-
Globigerinacea
-
Globigerinidae
-
Globigerina
-
Globigerina bulloides (1)
-
-
Globigerinoides
-
Globigerinoides ruber (2)
-
-
-
Globorotaliidae
-
Globorotalia
-
Globorotalia inflata (1)
-
-
-
Neogloboquadrina
-
Neogloboquadrina pachyderma (1)
-
-
-
-
-
Radiolaria (3)
-
-
-
microfossils
-
Chitinozoa (1)
-
Conodonta (5)
-
problematic microfossils (1)
-
-
palynomorphs
-
acritarchs (2)
-
Chitinozoa (1)
-
Dinoflagellata (1)
-
miospores
-
pollen (8)
-
-
-
Plantae
-
algae
-
diatoms (8)
-
nannofossils
-
Discoasteridae (1)
-
-
-
-
problematic fossils
-
problematic microfossils (1)
-
-
thallophytes (2)
-
-
geochronology methods
-
Ar/Ar (48)
-
exposure age (1)
-
fission-track dating (22)
-
hydration of glass (1)
-
infrared stimulated luminescence (1)
-
K/Ar (9)
-
lichenometry (2)
-
optically stimulated luminescence (1)
-
paleomagnetism (37)
-
racemization (3)
-
tephrochronology (247)
-
Th/U (2)
-
thermochronology (1)
-
thermoluminescence (7)
-
tree rings (7)
-
U/Pb (14)
-
uranium disequilibrium (2)
-
-
geologic age
-
Cenozoic
-
Blancan (2)
-
Koobi Fora Formation (3)
-
Omo Group (2)
-
Quaternary
-
Cordilleran ice sheet (2)
-
Holocene
-
lower Holocene (5)
-
middle Holocene (2)
-
Neoglacial
-
Little Ice Age (1)
-
-
upper Holocene
-
Little Ice Age (1)
-
-
-
Kazusa Group (1)
-
Mazama Ash (9)
-
Pleistocene
-
Bandelier Tuff (1)
-
Bishop Tuff (2)
-
Irvingtonian (3)
-
Lake Missoula (1)
-
lower Pleistocene (3)
-
Matuyama Chron (3)
-
middle Pleistocene (5)
-
Old Crow Tephra (4)
-
Shimosa Group (1)
-
upper Pleistocene
-
Weichselian
-
upper Weichselian
-
Younger Dryas (5)
-
-
-
Wisconsinan
-
upper Wisconsinan (4)
-
-
-
-
upper Quaternary
-
Brunhes Chron (4)
-
Bull Lake Glaciation (1)
-
Pinedale Glaciation (1)
-
-
-
Shungura Formation (2)
-
Sierra Ladrones Formation (2)
-
Tertiary
-
Catahoula Formation (1)
-
middle Tertiary (1)
-
Neogene
-
Hemphillian (1)
-
Miocene
-
Clarendonian (2)
-
lower Miocene (1)
-
middle Miocene
-
Badenian (1)
-
-
Peach Springs Tuff (3)
-
upper Miocene (6)
-
-
Pliocene
-
Hadar Formation (1)
-
lower Pliocene (1)
-
upper Pliocene (11)
-
-
Salt Lake Formation (1)
-
upper Neogene (3)
-
-
Paleogene
-
Eocene
-
Bridgerian (2)
-
Green River Formation (3)
-
lower Eocene
-
Sparnacian (1)
-
Wasatchian (2)
-
-
upper Eocene (1)
-
Wilkins Peak Member (2)
-
-
lower Paleogene (1)
-
Oligocene (2)
-
Paleocene
-
lower Paleocene (1)
-
-
-
upper Tertiary (1)
-
-
upper Cenozoic (12)
-
-
Lake Bonneville (1)
-
Mesozoic
-
Cretaceous
-
Lower Cretaceous
-
Albian (1)
-
-
Mancos Shale (1)
-
Upper Cretaceous
-
Coniacian (1)
-
Ferron Sandstone Member (1)
-
Kirtland Shale (1)
-
Maestrichtian (1)
-
Senonian (2)
-
Turonian (1)
-
-
-
Jurassic
-
Carmel Formation (1)
-
Middle Jurassic
-
Bajocian (1)
-
Bathonian (1)
-
-
-
Triassic
-
Lower Triassic
-
Permian-Triassic boundary (4)
-
-
Upper Triassic
-
Carnian (1)
-
Norian (1)
-
-
-
-
Paleozoic
-
Cambrian
-
Brigham Group (1)
-
Lower Cambrian
-
Tommotian (1)
-
-
-
Carboniferous
-
Pennsylvanian
-
Upper Pennsylvanian
-
Kasimovian (1)
-
-
-
Upper Carboniferous (1)
-
-
Devonian
-
Lower Devonian (1)
-
Middle Devonian
-
Columbus Limestone (1)
-
Delaware Limestone (1)
-
Detroit River Group (1)
-
Dundee Limestone (1)
-
Hamilton Group (1)
-
Marcellus Shale (1)
-
Onondaga Limestone (1)
-
-
-
Ordovician
-
Middle Ordovician
-
Dolgeville Formation (1)
-
Galena Dolomite (1)
-
Platteville Formation (1)
-
-
Trenton Group (1)
-
Upper Ordovician
-
Caradocian (1)
-
Cincinnatian (1)
-
Edenian (1)
-
Mohawkian (1)
-
Trentonian (1)
-
-
Utica Shale (1)
-
-
Permian
-
Lower Permian
-
Cisuralian
-
Artinskian (1)
-
-
-
Upper Permian
-
Permian-Triassic boundary (4)
-
-
-
Silurian
-
Lower Silurian
-
Wenlock
-
Homerian (1)
-
-
-
-
-
Precambrian
-
Chuar Group (1)
-
upper Precambrian
-
Proterozoic
-
Neoproterozoic
-
Doushantuo Formation (1)
-
Marinoan (2)
-
Otavi Group (1)
-
Sturtian (1)
-
-
Sinian
-
Doushantuo Formation (1)
-
-
Windermere System (1)
-
-
-
-
-
igneous rocks
-
igneous rocks
-
volcanic rocks
-
andesites (3)
-
basalts (1)
-
dacites (1)
-
glasses
-
palagonite (1)
-
volcanic glass (19)
-
-
pyroclastics
-
ash-flow tuff (8)
-
ignimbrite (7)
-
pumice (18)
-
rhyolite tuff (1)
-
scoria (1)
-
tuff (26)
-
welded tuff (2)
-
-
rhyolites (4)
-
-
-
volcanic ash (43)
-
-
metamorphic rocks
-
K-bentonite (3)
-
metamorphic rocks
-
mylonites (1)
-
-
-
meteorites
-
meteorites
-
micrometeorites (1)
-
-
-
minerals
-
carbonates (2)
-
halides
-
chlorides
-
halite (2)
-
-
-
K-bentonite (3)
-
minerals (2)
-
oxides
-
magnetite (3)
-
-
phosphates
-
apatite (5)
-
-
silicates
-
chain silicates
-
pyroxene group
-
clinopyroxene (1)
-
-
-
framework silicates
-
feldspar group
-
alkali feldspar
-
K-feldspar (1)
-
sanidine (11)
-
-
plagioclase (3)
-
-
silica minerals
-
opal
-
opal-A (1)
-
-
quartz (1)
-
-
-
orthosilicates
-
nesosilicates
-
zircon group
-
zircon (18)
-
-
-
-
sheet silicates
-
clay minerals
-
halloysite (1)
-
kaolinite (1)
-
-
mica group
-
biotite (7)
-
-
-
-
sulfates
-
alunite (1)
-
anhydrite (1)
-
gypsum (2)
-
-
-
Primary terms
-
absolute age (113)
-
Africa
-
Afar (1)
-
East Africa
-
Afar Depression (1)
-
Ethiopia (4)
-
Kenya
-
Kenya Rift valley (1)
-
-
Lake Turkana (1)
-
Turkana Basin (1)
-
-
East African Lakes
-
Lake Turkana (1)
-
-
Southern Africa
-
Namibia (1)
-
-
-
Antarctica
-
Antarctic ice sheet
-
East Antarctic ice sheet (1)
-
West Antarctic ice sheet (1)
-
-
East Antarctica (1)
-
Marie Byrd Land (2)
-
Transantarctic Mountains (2)
-
Victoria Land
-
Allan Hills (1)
-
McMurdo dry valleys (1)
-
-
West Antarctica (2)
-
-
Arctic Ocean (2)
-
Arctic region
-
Svalbard
-
Spitsbergen
-
Spitsbergen Island (1)
-
-
-
-
Asia
-
Arabian Peninsula
-
Oman (1)
-
-
Far East
-
China
-
Guizhou China (1)
-
Hubei China (1)
-
Meishan China (1)
-
Nanpanjiang Basin (1)
-
Yangtze Three Gorges (1)
-
-
Indonesia
-
Sumatra
-
Toba Lake (4)
-
-
-
Japan
-
Honshu
-
Chiba Peninsula (3)
-
Tokyo Bay (1)
-
-
-
Malaysia (1)
-
-
Indian Peninsula
-
Pakistan
-
North-West Frontier Pakistan
-
Peshawar Pakistan (1)
-
-
-
-
Kamchatka Russian Federation
-
Kamchatka Peninsula
-
Sheveluch (1)
-
-
-
Russian Far East (1)
-
Russian Pacific region (2)
-
Southeast Asia (1)
-
-
Atlantic Ocean
-
North Atlantic
-
Goban Spur (1)
-
Labrador Sea (1)
-
North Sea (1)
-
Northeast Atlantic (1)
-
-
-
Atlantic Ocean Islands
-
Azores (1)
-
Faeroe Islands (2)
-
-
atmosphere (2)
-
Australasia
-
Australia
-
South Australia (1)
-
Victoria Australia (1)
-
-
New Zealand
-
Auckland New Zealand (1)
-
Hawke's Bay New Zealand (1)
-
Marlborough fault system (1)
-
Taranaki New Zealand (1)
-
Taupo volcanic zone (3)
-
Waipaoa River (1)
-
-
-
bentonite deposits (1)
-
biogeography (2)
-
Canada
-
Cassiar Mountains (1)
-
Eastern Canada
-
Maritime Provinces
-
New Brunswick
-
Saint John County New Brunswick
-
Saint John New Brunswick (1)
-
-
-
-
Quebec (1)
-
-
North Saskatchewan River (1)
-
Western Canada
-
Alberta
-
Banff Alberta (1)
-
Banff National Park (5)
-
Calgary Alberta (1)
-
Jasper National Park (2)
-
-
British Columbia
-
Fraser River delta (1)
-
Omineca Mountains (1)
-
Skeena Mountains (1)
-
Vancouver Island (1)
-
-
Canadian Cordillera (1)
-
Canadian Rocky Mountains (5)
-
Northwest Territories (1)
-
Saskatchewan (7)
-
Yukon Territory
-
Dawson Yukon Territory (1)
-
Klondike (4)
-
Kluane Lake (1)
-
-
-
-
carbon
-
C-13/C-12 (11)
-
C-14 (48)
-
C-14/C-12 (1)
-
-
Caribbean region
-
West Indies
-
Antilles
-
Lesser Antilles
-
Montserrat Island
-
Soufriere Hills (1)
-
-
Saint Vincent (1)
-
Soufriere (1)
-
-
-
-
-
catalogs (1)
-
Cenozoic
-
Blancan (2)
-
Koobi Fora Formation (3)
-
Omo Group (2)
-
Quaternary
-
Cordilleran ice sheet (2)
-
Holocene
-
lower Holocene (5)
-
middle Holocene (2)
-
Neoglacial
-
Little Ice Age (1)
-
-
upper Holocene
-
Little Ice Age (1)
-
-
-
Kazusa Group (1)
-
Mazama Ash (9)
-
Pleistocene
-
Bandelier Tuff (1)
-
Bishop Tuff (2)
-
Irvingtonian (3)
-
Lake Missoula (1)
-
lower Pleistocene (3)
-
Matuyama Chron (3)
-
middle Pleistocene (5)
-
Old Crow Tephra (4)
-
Shimosa Group (1)
-
upper Pleistocene
-
Weichselian
-
upper Weichselian
-
Younger Dryas (5)
-
-
-
Wisconsinan
-
upper Wisconsinan (4)
-
-
-
-
upper Quaternary
-
Brunhes Chron (4)
-
Bull Lake Glaciation (1)
-
Pinedale Glaciation (1)
-
-
-
Shungura Formation (2)
-
Sierra Ladrones Formation (2)
-
Tertiary
-
Catahoula Formation (1)
-
middle Tertiary (1)
-
Neogene
-
Hemphillian (1)
-
Miocene
-
Clarendonian (2)
-
lower Miocene (1)
-
middle Miocene
-
Badenian (1)
-
-
Peach Springs Tuff (3)
-
upper Miocene (6)
-
-
Pliocene
-
Hadar Formation (1)
-
lower Pliocene (1)
-
upper Pliocene (11)
-
-
Salt Lake Formation (1)
-
upper Neogene (3)
-
-
Paleogene
-
Eocene
-
Bridgerian (2)
-
Green River Formation (3)
-
lower Eocene
-
Sparnacian (1)
-
Wasatchian (2)
-
-
upper Eocene (1)
-
Wilkins Peak Member (2)
-
-
lower Paleogene (1)
-
Oligocene (2)
-
Paleocene
-
lower Paleocene (1)
-
-
-
upper Tertiary (1)
-
-
upper Cenozoic (12)
-
-
Central America
-
Costa Rica (1)
-
Guatemala (3)
-
Nicaragua (1)
-
-
Chordata
-
Vertebrata
-
Pisces (1)
-
Tetrapoda
-
Mammalia (6)
-
Reptilia
-
Diapsida
-
Archosauria
-
dinosaurs (1)
-
-
-
-
-
-
-
clay mineralogy (1)
-
climate change (13)
-
continental drift (2)
-
crust (2)
-
crystal growth (1)
-
data processing (1)
-
Deep Sea Drilling Project
-
IPOD
-
Leg 80
-
DSDP Site 550 (1)
-
-
-
Leg 18
-
DSDP Site 173 (1)
-
DSDP Site 178 (1)
-
-
-
deformation (2)
-
earthquakes (8)
-
economic geology (1)
-
environmental geology (2)
-
Europe
-
Baltic region (1)
-
Carpathian Foredeep (1)
-
Carpathians
-
Polish Carpathians (1)
-
-
Central Europe
-
Germany
-
Eifel (2)
-
Rhineland-Palatinate Germany
-
Laacher See (1)
-
Meerfeld crater lake (1)
-
-
Saar-Nahe Basin (1)
-
-
Poland
-
Polish Carpathians (1)
-
-
-
Rhenish Schiefergebirge
-
Eifel (2)
-
-
Southern Europe
-
Italy
-
Apennines
-
Southern Apennines (3)
-
-
Basilicata Italy (1)
-
Calabria Italy (1)
-
Lucania (1)
-
Sicily Italy (1)
-
Umbria Italy
-
Perugia Italy
-
Gubbio Italy (1)
-
-
-
-
-
Western Europe
-
France
-
Paris Basin (2)
-
-
Iceland
-
Eyjafjallajokull (1)
-
Hekla (1)
-
Katla (1)
-
Vatnajokull (1)
-
-
Ireland (1)
-
Scandinavia
-
Norway
-
Southern Norway (1)
-
-
-
United Kingdom
-
Great Britain
-
England
-
London Basin (1)
-
-
Scotland (2)
-
-
-
-
-
faults (21)
-
folds (2)
-
foliation (1)
-
geochemistry (32)
-
geochronology (125)
-
geomorphology (15)
-
geophysical methods (1)
-
glacial geology (18)
-
Graptolithina (2)
-
ground water (2)
-
ichnofossils (1)
-
igneous rocks
-
volcanic rocks
-
andesites (3)
-
basalts (1)
-
dacites (1)
-
glasses
-
palagonite (1)
-
volcanic glass (19)
-
-
pyroclastics
-
ash-flow tuff (8)
-
ignimbrite (7)
-
pumice (18)
-
rhyolite tuff (1)
-
scoria (1)
-
tuff (26)
-
welded tuff (2)
-
-
rhyolites (4)
-
-
-
inclusions (1)
-
Indian Ocean
-
Bay of Bengal (1)
-
-
Invertebrata
-
Arthropoda
-
Mandibulata
-
Crustacea
-
Ostracoda (1)
-
-
Insecta
-
Pterygota
-
Neoptera
-
Endopterygota
-
Coleoptera (2)
-
-
-
-
-
-
-
Brachiopoda (2)
-
Mollusca
-
Cephalopoda
-
Ammonoidea (1)
-
-
Gastropoda (1)
-
-
Protista
-
Foraminifera
-
Rotaliina
-
Globigerinacea
-
Globigerinidae
-
Globigerina
-
Globigerina bulloides (1)
-
-
Globigerinoides
-
Globigerinoides ruber (2)
-
-
-
Globorotaliidae
-
Globorotalia
-
Globorotalia inflata (1)
-
-
-
Neogloboquadrina
-
Neogloboquadrina pachyderma (1)
-
-
-
-
-
Radiolaria (3)
-
-
-
isotopes
-
radioactive isotopes
-
Al-26 (2)
-
Be-10 (4)
-
C-14 (48)
-
C-14/C-12 (1)
-
Cl-36 (2)
-
Cs-137 (2)
-
Pb-210 (3)
-
-
stable isotopes
-
Ar-40 (1)
-
C-13/C-12 (11)
-
C-14/C-12 (1)
-
O-18/O-16 (7)
-
Sr-87/Sr-86 (2)
-
-
-
lava (7)
-
lineation (1)
-
magmas (6)
-
maps (1)
-
Mediterranean region (2)
-
Mediterranean Sea (1)
-
Mesozoic
-
Cretaceous
-
Lower Cretaceous
-
Albian (1)
-
-
Mancos Shale (1)
-
Upper Cretaceous
-
Coniacian (1)
-
Ferron Sandstone Member (1)
-
Kirtland Shale (1)
-
Maestrichtian (1)
-
Senonian (2)
-
Turonian (1)
-
-
-
Jurassic
-
Carmel Formation (1)
-
Middle Jurassic
-
Bajocian (1)
-
Bathonian (1)
-
-
-
Triassic
-
Lower Triassic
-
Permian-Triassic boundary (4)
-
-
Upper Triassic
-
Carnian (1)
-
Norian (1)
-
-
-
-
metal ores
-
gold ores (2)
-
-
metals
-
actinides
-
thorium (1)
-
uranium (2)
-
-
alkali metals
-
cesium
-
Cs-137 (2)
-
-
-
alkaline earth metals
-
beryllium
-
Be-10 (4)
-
-
strontium
-
Sr-87/Sr-86 (2)
-
-
-
aluminum
-
Al-26 (2)
-
-
lead
-
Pb-210 (3)
-
-
rare earths
-
europium (1)
-
-
titanium (1)
-
-
metamorphic rocks
-
mylonites (1)
-
-
metasomatism (2)
-
meteorites
-
micrometeorites (1)
-
-
Mexico
-
Chiapas Mexico (1)
-
Mexico state
-
Federal District Mexico
-
Mexico City Mexico (1)
-
-
Nevado de Toluca (3)
-
-
Popocatepetl (2)
-
Trans-Mexican volcanic belt (1)
-
-
mineral deposits, genesis (1)
-
mineralogy (1)
-
minerals (2)
-
noble gases
-
argon
-
Ar-40 (1)
-
-
-
North America
-
Appalachian Basin (1)
-
Appalachians
-
Central Appalachians (1)
-
-
Basin and Range Province
-
Great Basin (2)
-
-
Glacier National Park (2)
-
Great Lakes region (1)
-
Great Plains
-
Southern Great Plains (1)
-
-
Gulf Coastal Plain (1)
-
North American Cordillera
-
Canadian Cordillera (1)
-
-
Rio Grande Rift (3)
-
Rocky Mountains
-
Canadian Rocky Mountains (5)
-
Central Rocky Mountains (1)
-
Northern Rocky Mountains (1)
-
U. S. Rocky Mountains
-
San Juan Mountains (1)
-
Wind River Range (1)
-
-
-
Saint Elias Mountains (1)
-
Saint Lawrence Lowlands (1)
-
Yukon River (1)
-
Yukon-Tanana Upland (1)
-
-
Northern Hemisphere (2)
-
ocean circulation (2)
-
Ocean Drilling Program
-
Leg 121
-
ODP Site 758 (1)
-
-
Leg 184
-
ODP Site 1143 (1)
-
-
-
oceanography (2)
-
orogeny (1)
-
oxygen
-
O-18/O-16 (7)
-
-
Pacific Ocean
-
East Pacific
-
Northeast Pacific
-
Gulf of Alaska (1)
-
Middle America Trench (1)
-
-
-
Equatorial Pacific (2)
-
North Pacific
-
Bering Sea (1)
-
Northeast Pacific
-
Gulf of Alaska (1)
-
Middle America Trench (1)
-
-
Northwest Pacific
-
South China Sea (3)
-
-
-
South Pacific (1)
-
West Pacific
-
Northwest Pacific
-
South China Sea (3)
-
-
-
-
paleoclimatology (37)
-
paleoecology (16)
-
paleogeography (17)
-
paleomagnetism (37)
-
Paleozoic
-
Cambrian
-
Brigham Group (1)
-
Lower Cambrian
-
Tommotian (1)
-
-
-
Carboniferous
-
Pennsylvanian
-
Upper Pennsylvanian
-
Kasimovian (1)
-
-
-
Upper Carboniferous (1)
-
-
Devonian
-
Lower Devonian (1)
-
Middle Devonian
-
Columbus Limestone (1)
-
Delaware Limestone (1)
-
Detroit River Group (1)
-
Dundee Limestone (1)
-
Hamilton Group (1)
-
Marcellus Shale (1)
-
Onondaga Limestone (1)
-
-
-
Ordovician
-
Middle Ordovician
-
Dolgeville Formation (1)
-
Galena Dolomite (1)
-
Platteville Formation (1)
-
-
Trenton Group (1)
-
Upper Ordovician
-
Caradocian (1)
-
Cincinnatian (1)
-
Edenian (1)
-
Mohawkian (1)
-
Trentonian (1)
-
-
Utica Shale (1)
-
-
Permian
-
Lower Permian
-
Cisuralian
-
Artinskian (1)
-
-
-
Upper Permian
-
Permian-Triassic boundary (4)
-
-
-
Silurian
-
Lower Silurian
-
Wenlock
-
Homerian (1)
-
-
-
-
-
palynomorphs
-
acritarchs (2)
-
Chitinozoa (1)
-
Dinoflagellata (1)
-
miospores
-
pollen (8)
-
-
-
permafrost (1)
-
petroleum (1)
-
petrology (4)
-
Plantae
-
algae
-
diatoms (8)
-
nannofossils
-
Discoasteridae (1)
-
-
-
-
plate tectonics (9)
-
Precambrian
-
Chuar Group (1)
-
upper Precambrian
-
Proterozoic
-
Neoproterozoic
-
Doushantuo Formation (1)
-
Marinoan (2)
-
Otavi Group (1)
-
Sturtian (1)
-
-
Sinian
-
Doushantuo Formation (1)
-
-
Windermere System (1)
-
-
-
-
problematic fossils
-
problematic microfossils (1)
-
-
Red Sea region (1)
-
remote sensing (2)
-
roads (1)
-
sea-level changes (5)
-
sedimentary petrology (2)
-
sedimentary rocks
-
carbonate rocks
-
chalk (1)
-
limestone (3)
-
travertine (1)
-
-
chemically precipitated rocks
-
evaporites (2)
-
siliceous sinter (1)
-
-
clastic rocks
-
arenite
-
litharenite (1)
-
-
bentonite (8)
-
claystone (1)
-
conglomerate (2)
-
diamictite (1)
-
diatomite (1)
-
mudstone (2)
-
red beds (3)
-
sandstone (3)
-
shale (1)
-
siltstone (2)
-
tonstein (1)
-
-
coal (4)
-
-
sedimentary structures
-
bedding plane irregularities
-
fossil ice wedges (1)
-
-
biogenic structures
-
bioherms
-
mud mounds (1)
-
-
bioturbation (1)
-
-
planar bedding structures
-
laminations (1)
-
rhythmic bedding (1)
-
rhythmite (1)
-
varves (3)
-
-
secondary structures
-
concretions (1)
-
-
-
sedimentation (30)
-
sediments
-
clastic sediments
-
alluvium (4)
-
boulders (1)
-
clay (1)
-
diamicton (1)
-
drift (4)
-
dust (2)
-
gravel (3)
-
loess (20)
-
outwash (1)
-
sand (1)
-
silt (6)
-
till (3)
-
-
marine sediments (19)
-
peat (4)
-
-
shorelines (1)
-
slope stability (1)
-
soils (7)
-
South America
-
Amazon Basin (1)
-
Andes
-
Central Andes (1)
-
Eastern Cordillera (1)
-
-
Argentina
-
Mendoza Argentina (1)
-
-
Colombia
-
Magdalena Valley (1)
-
-
Peru (2)
-
-
Southern Ocean
-
Ross Sea (2)
-
-
spectroscopy (1)
-
springs (2)
-
standard materials (3)
-
stratigraphy (30)
-
structural analysis (5)
-
structural geology (4)
-
tectonics
-
neotectonics (16)
-
-
tectonophysics (1)
-
tektites (1)
-
thallophytes (2)
-
thermal waters (1)
-
United States
-
Alaska
-
Alaska Peninsula (2)
-
Aleutian Islands (3)
-
Brooks Range (1)
-
Fairbanks Alaska (2)
-
Fairbanks District (1)
-
Katmai (1)
-
Kenai Peninsula (4)
-
Kenai Quadrangle (1)
-
Novarupta (1)
-
Valley of Ten Thousand Smokes (1)
-
-
Albuquerque Basin (1)
-
Arizona
-
Coconino County Arizona (1)
-
Mohave County Arizona (3)
-
Yuma County Arizona (1)
-
-
California
-
Central California (1)
-
Contra Costa County California (1)
-
Inyo County California (1)
-
Kern County California (1)
-
Lassen County California (1)
-
Mono County California
-
Inyo Domes (1)
-
Mono Basin (1)
-
Mono Craters (3)
-
Mono Lake (1)
-
-
Nevada County California (1)
-
Northern California (5)
-
Plumas County California (1)
-
San Bernardino County California (2)
-
San Francisco Bay region (3)
-
Santa Barbara County California (1)
-
Shasta County California
-
Lassen Peak (1)
-
-
Siskiyou County California (1)
-
Sonoma County California (1)
-
Southern California (5)
-
Ventura Basin (1)
-
Ventura County California (1)
-
-
Colorado
-
Gunnison River (2)
-
-
Colorado Plateau (3)
-
Columbia Plateau (2)
-
Eastern California shear zone (1)
-
Great Basin (2)
-
Idaho
-
Adams County Idaho (1)
-
Bannock Range (1)
-
Bear Lake County Idaho (1)
-
Fremont County Idaho (1)
-
Snake River plain (4)
-
Washington County Idaho (1)
-
-
Iowa (1)
-
Kansas
-
Meade County Kansas (1)
-
Seward County Kansas (1)
-
-
Kentucky (1)
-
Michigan (1)
-
Midcontinent (1)
-
Minnesota (1)
-
Mississippi Valley
-
Upper Mississippi Valley (1)
-
-
Mojave Desert (2)
-
Montana
-
Flathead County Montana (2)
-
Glacier County Montana (1)
-
-
Nevada
-
Churchill County Nevada (1)
-
Elko County Nevada
-
East Humboldt Range (1)
-
Pequop Mountains (1)
-
-
Esmeralda County Nevada
-
Silver Peak Mountains (1)
-
-
Lander County Nevada (1)
-
Mineral County Nevada (1)
-
Shoshone Mountains (1)
-
Toiyabe Range (1)
-
Washoe County Nevada
-
Reno Nevada (1)
-
-
-
New Mexico
-
Datil-Mogollon volcanic field (1)
-
Jemez Mountains (2)
-
San Juan County New Mexico (1)
-
Sandoval County New Mexico (2)
-
Santa Fe County New Mexico (1)
-
Valles Caldera (2)
-
-
New York (2)
-
Ohio (1)
-
Oregon
-
Baker County Oregon (1)
-
Deschutes County Oregon
-
Newberry Volcano (1)
-
-
Lake County Oregon (1)
-
Lane County Oregon (1)
-
Wallowa County Oregon (1)
-
-
Pennsylvania (1)
-
Southwestern U.S. (2)
-
Tennessee (1)
-
Texas (2)
-
Trans-Pecos (1)
-
U. S. Rocky Mountains
-
San Juan Mountains (1)
-
Wind River Range (1)
-
-
Uncompahgre Uplift (1)
-
Utah
-
Box Elder County Utah (1)
-
Grand County Utah (1)
-
Juab County Utah (1)
-
Kane County Utah (1)
-
Millard County Utah (1)
-
Rich County Utah (1)
-
Tooele County Utah (1)
-
Washington County Utah (1)
-
-
Virginia (1)
-
Walker Lane (2)
-
Washington
-
Adams County Washington (1)
-
Chelan County Washington (1)
-
Douglas County Washington (1)
-
King County Washington (1)
-
Lewis County Washington (1)
-
Pierce County Washington (1)
-
Skamania County Washington
-
Mount Saint Helens (6)
-
-
Snohomish County Washington (4)
-
Stevens County Washington (1)
-
Toutle River (1)
-
Walla Walla County Washington (1)
-
Whatcom County Washington (2)
-
Yakima County Washington (1)
-
-
West Virginia (1)
-
Western U.S. (7)
-
Wisconsin (1)
-
Wyoming
-
Fremont County Wyoming (2)
-
Natrona County Wyoming (1)
-
Park County Wyoming (1)
-
Sweetwater County Wyoming (3)
-
Teton County Wyoming
-
Jackson Hole (1)
-
-
Wind River Range (1)
-
-
Yellowstone National Park (1)
-
-
volcanology (26)
-
weathering (3)
-
well-logging (1)
-
zircon deposits (1)
-
-
rock formations
-
Nama Group (1)
-
Santa Fe Group (1)
-
Siberian Traps (2)
-
-
sedimentary rocks
-
sedimentary rocks
-
carbonate rocks
-
chalk (1)
-
limestone (3)
-
travertine (1)
-
-
chemically precipitated rocks
-
evaporites (2)
-
siliceous sinter (1)
-
-
clastic rocks
-
arenite
-
litharenite (1)
-
-
bentonite (8)
-
claystone (1)
-
conglomerate (2)
-
diamictite (1)
-
diatomite (1)
-
mudstone (2)
-
red beds (3)
-
sandstone (3)
-
shale (1)
-
siltstone (2)
-
tonstein (1)
-
-
coal (4)
-
-
siliciclastics (1)
-
volcaniclastics (35)
-
-
sedimentary structures
-
channels (2)
-
sedimentary structures
-
bedding plane irregularities
-
fossil ice wedges (1)
-
-
biogenic structures
-
bioherms
-
mud mounds (1)
-
-
bioturbation (1)
-
-
planar bedding structures
-
laminations (1)
-
rhythmic bedding (1)
-
rhythmite (1)
-
varves (3)
-
-
secondary structures
-
concretions (1)
-
-
-
-
sediments
-
sediments
-
clastic sediments
-
alluvium (4)
-
boulders (1)
-
clay (1)
-
diamicton (1)
-
drift (4)
-
dust (2)
-
gravel (3)
-
loess (20)
-
outwash (1)
-
sand (1)
-
silt (6)
-
till (3)
-
-
marine sediments (19)
-
peat (4)
-
-
siliciclastics (1)
-
volcaniclastics (35)
-
-
soils
-
paleosols (14)
-
soils (7)
-
GeoRef Categories
Era and Period
Epoch and Age
Book Series
Date
Availability
1-20 OF 247 RESULTS FOR
tephrochronology
Results shown limited to content with bounding coordinates.
Follow your search