Search SEDIS
Data sets | Publications | Expeditions | Thesaurus |
Au ![]() | |
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USE | gold |
Aube France ![]() | |
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BT | Europe |
.Western Europe | |
..France | |
...Aube France | |
SN | Department in N central France. |
Aubrac ![]() | |
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BT | Europe |
.Western Europe | |
..France | |
...Aubrac | |
SN | Mountain range in S central France. |
aubrite ![]() | |
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USE | chladnite |
Auckland Islands ![]() | |
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BT | West Pacific Ocean Islands |
.Auckland Islands | |
SN | 200 miles south of New Zealand. |
Auckland New Zealand ![]() | |
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BT | Australasia |
.New Zealand | |
..Auckland New Zealand | |
RT | North Island |
SN | City in N North Island. Also Index North Island. |
Aude France ![]() | |
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BT | Europe |
.Western Europe | |
..France | |
...Aude France | |
NT | Corbieres |
Mouthoumet Massif | |
Narbonne France | |
Portel France | |
Quillan France | |
Salsigne Mine | |
RT | Montagne Noire |
audio-magnetotelluric methods ![]() | |
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USE | audiomagnetotelluric methods |
audiomagnetotelluric methods ![]() | |
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NT | CSAMT methods |
UF | audio-magnetotelluric methods |
RT | geophysical methods |
geophysical surveys | |
magnetic methods | |
Earth-current methods | |
magnetotelluric methods | |
SN | Added to Thesaurus in 1985. |
Audrain County Missouri ![]() | |
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BT | United States |
.Missouri | |
..Audrain County Missouri |
Audubon County Iowa ![]() | |
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BT | United States |
.Iowa | |
..Audubon County Iowa |
augen gneiss ![]() | |
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BT | metamorphic rocks |
.gneisses | |
..augen gneiss |
Auger effect ![]() | |
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USE | Auger spectroscopy |
Auger spectroscopy ![]() | |
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BT | spectroscopy |
.Auger spectroscopy | |
UF | Auger effect |
autoionization | |
RT | chemical analysis |
analysis | |
SN | Added to Thesaurus in 1982. |
augite ![]() | |
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BT | silicates |
.chain silicates | |
..pyroxene group | |
...clinopyroxene | |
....augite | |
RT | basalts |
fassaite | |
omphacite | |
titanaugite |
augitite ![]() | |
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BT | igneous rocks |
.plutonic rocks | |
..ultramafics | |
...augitite |
Auglaize County Ohio ![]() | |
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BT | United States |
.Ohio | |
..Auglaize County Ohio |
Augusta County Virginia ![]() | |
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BT | United States |
.Virginia | |
..Augusta County Virginia | |
RT | Waynesboro Virginia |
SN | NW Virginia. Also search Staunton Virginia and/or Waynesboro Virginia if applicable. |
Augusta Maine ![]() | |
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BT | United States |
.Maine | |
..Kennebec County Maine | |
...Augusta Maine | |
SN | City in S Maine. |
Augustine ![]() | |
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UF | Augustine Volcano |
RT | volcanoes |
Southwestern Alaska | |
Cook Inlet | |
SN | Volcano on Augustine Island in Kamishak Bay at mouth of Cook Inlet in S Alaska. Indexed with Southwestern Alaska if applicable. |
Augustine Volcano ![]() | |
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USE | Augustine |
Augustow Poland ![]() | |
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BT | Europe |
.Central Europe | |
..Poland | |
...Suwalki Poland | |
....Augustow Poland | |
SN | Town in NE Suwalki, NE Poland. |
aulacogens ![]() | |
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RT | grabens |
tectonics | |
troughs |
Aures ![]() | |
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BT | Africa |
.North Africa | |
..Algeria | |
...Aures | |
SN | Mountain massif in NE Algeria. |
Aurignacian ![]() | |
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BT | Chronostratigraphic Units |
.Phanerozoic | |
..Cenozoic | |
...Stone Age | |
....Paleolithic | |
.....Aurignacian | |
RT | Pleistocene |
archaeology | |
Quaternary | |
SN | Archaeological classification. Europe and N Africa. Added to Thesaurus in 1985. |
aurora ![]() | |
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SN | As of 1993, no longer a valid term for GeoRef. Usually out-of-scope. |
Aurora County South Dakota ![]() | |
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BT | United States |
.South Dakota | |
..Aurora County South Dakota |
auroral oval ![]() | |
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SN | As of 1993, no longer a valid term. Usually out-of-scope for GeoRef. |
auroral zone ![]() | |
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SN | No longer a valid term. Usually out-of-scope for GeoRef. Before 1993, included auroral oval. |
Austin Chalk ![]() | |
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BT | Chronostratigraphic Units |
.Phanerozoic | |
..Mesozoic | |
...Cretaceous | |
....Upper Cretaceous | |
.....Gulfian | |
......Austin Chalk | |
RT | Louisiana |
Texas | |
Austin Group | |
SN | Member of the Austin Group. E Texas and S Louisiana. Added to Thesaurus in 1989. |
Austin County Texas ![]() | |
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BT | United States |
.Texas | |
..Austin County Texas |
Austin Group ![]() | |
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BT | Chronostratigraphic Units |
.Phanerozoic | |
..Mesozoic | |
...Cretaceous | |
....Upper Cretaceous | |
.....Gulfian | |
......Austin Group | |
RT | Texas |
Austin Chalk | |
SN | Comprises Ector Tongue, Bonham Clay, Blossom Sand, Brownstone Marl, Gober Tongue, Austin Chalk, and Burditt Marl. E Texas. Also search Austin Chalk. |
Austin Texas ![]() | |
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BT | United States |
.Texas | |
..Travis County Texas | |
...Austin Texas | |
SN | City in central Texas. |
austinite ![]() | |
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BT | arsenates |
.austinite |
Austral Islands ![]() | |
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BT | Oceania |
.Polynesia | |
..French Polynesia | |
...Austral Islands | |
UF | Tubuai Islands |
RT | East Pacific Ocean Islands |
Pacific Ocean | |
SN | Group in French Oceania 330 miles S of Society Islands. Also search Austral. |
Australasia ![]() | |
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NT | Australia |
New Zealand | |
Papua New Guinea | |
Tasman orogenic zone | |
RT | Malay Archipelago |
New Guinea | |
Oceania | |
Solomon Islands | |
SN | Islands of the South Pacific including Australia, New Zealand, and Papua New Guinea. Before 1981, New Guinea was included as a narrower term. Indexed with countries as applicable. |
Australia-Antarctica discordance ![]() | |
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USE | Australian-Antarctic discordance |
Australian Capital Territory ![]() | |
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BT | Australasia |
.Australia | |
..New South Wales Australia | |
...Australian Capital Territory | |
NT | Canberra Australia |
SN | SE Australia, within state of New South Wales. Formerly called Federal Capital Territory. |
Australian Plate ![]() | |
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RT | Australia |
Australian-Antarctic discordance | |
Indo-Australian Plate | |
New Guinea | |
New Zealand | |
plate tectonics | |
plates | |
SN | May pre-date the more modern Indo-Australian Plate. Some may consider this the modern plate. Before 1993, also search Indian Plate and Australia. Indexed with geographic area and/or age as applicable. Added to Thesaurus in 1993. |
Australian Shield ![]() | |
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BT | Australasia |
.Australia | |
..Australian Shield | |
SN | SW and central Australia. |
Australian-Antarctic discor ![]() |
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Australian-Antarctic discordance ![]() | |
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BT | Indian Ocean |
.Mid-Indian Ridge | |
..Southeast Indian Ridge | |
...Australian-Antarctic discordance | |
UF | Australia-Antarctica discordance |
RT | plate tectonics |
plates | |
Antarctic Plate | |
mid-ocean ridges | |
Australian Plate | |
Indo-Australian Plate | |
SN | An anomalously deep and rough segment of the Southeast Indian Ridge, 120-128#DGE. Before 1998, also search (Antarctic Plate or Australian Plate) AND Southeast Indian Ridge. |
australite ![]() | |
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BT | tektites |
.australite | |
RT | meteorites |
Australopithecinae ![]() | |
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BT | minidae |
.Australopithecinae | |
NT | Australopithecus |
SN | Subfamily. |
Australopithecus ![]() | |
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BT | minidae |
.Australopithecinae | |
..Australopithecus | |
NT | Australopithecus afarensis |
Australopithecus africanus | |
Australopithecus boisei | |
Australopithecus robustus | |
SN | Genus. |
Australopithecus afarensis ![]() | |
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BT | minidae |
.Australopithecinae | |
..Australopithecus | |
...Australopithecus afarensis | |
SN | Species. |
Australopithecus africanus ![]() | |
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BT | minidae |
.Australopithecinae | |
..Australopithecus | |
...Australopithecus africanus | |
SN | Species. |
Australopithecus boisei ![]() | |
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BT | minidae |
.Australopithecinae | |
..Australopithecus | |
...Australopithecus boisei | |
SN | Species. |
Australopithecus robustus ![]() | |
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BT | minidae |
.Australopithecinae | |
..Australopithecus | |
...Australopithecus robustus | |
SN | Species. |
Austrian Vienna Basin ![]() | |
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BT | Europe |
.Central Europe | |
..Austria | |
...Austrian Vienna Basin | |
BT | Europe |
.Central Europe | |
..Vienna Basin | |
...Austrian Vienna Basin | |
SN | This term has multiple hierarchies. Added to Thesaurus in 1981. |
Autauga County Alabama ![]() | |
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BT | United States |
.Alabama | |
..Autauga County Alabama |
authigenesis ![]() | |
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RT | authigenic minerals |
diagenesis | |
minerals | |
recrystallization | |
sedimentary rocks |
authigenetic minerals ![]() | |
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USE | authigenic minerals |
authigenic minerals ![]() | |
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UF | authigenetic minerals |
RT | minerals |
authigenesis | |
SN | Also search authigenic AND minerals. |
authors ![]() | |
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SN | Used in subfile N. See bibliography; biography; geologists. |
autochthons ![]() | |
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RT | allochthons |
overthrust faults | |
tectonics | |
windows |
autocorrelation ![]() | |
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BT | statistical analysis |
.autocorrelation | |
RT | mathematical geology |
crosscorrelation |
autoionization ![]() | |
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USE | Auger spectroscopy |
automated analysis ![]() | |
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RT | analysis |
chemical analysis | |
data processing | |
geochemical methods | |
geophysical methods | |
geophysical surveys | |
quality control | |
remote sensing | |
SN | For chemical analysis and geophysical surveys in which data acquisition and analysis are computerized. Added to Thesaurus in 1985. |
automatic cartography ![]() | |
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USE | digital cartography |
automatic data processing ![]() | |
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USE | data processing |
autometamorphism ![]() | |
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BT | metamorphism |
.autometamorphism | |
UF | autometasomatism |
RT | igneous rocks |
processes | |
albitization | |
alteration | |
hydrothermal alteration | |
mineral assemblages |
autometasomatism ![]() | |
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USE | autometamorphism |
autoradiography ![]() | |
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BT | radiography |
.autoradiography | |
RT | geophysical methods |
analysis | |
radioactivity | |
X-ray radiography | |
SN | Before 2000, sometimes used for radiography. |
autoregression ![]() | |
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BT | statistical analysis |
.regression analysis | |
..autoregression | |
RT | mathematical geology |
geostatistics | |
SN | Added to Thesaurus in 1985. |
Autun France ![]() | |
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BT | Europe |
.Western Europe | |
..France | |
...Saone-et-Loire France | |
....Autun France | |
SN | Town in E central part of country. |
Autunian ![]() | |
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BT | Chronostratigraphic Units |
.Phanerozoic | |
..Paleozoic | |
...Permian | |
....Lower Permian | |
.....Autunian | |
RT | Rotliegendes |
SN | Europe. Above Stephanian, below Saxonian. |
autunite ![]() | |
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BT | phosphates |
.autunite | |
RT | uranium ores |
Auvergne ![]() | |
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BT | Europe |
.Western Europe | |
..France | |
...Auvergne | |
SN | Historical region in S central France. |
Auversian ![]() | |
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BT | Chronostratigraphic Units |
.Phanerozoic | |
..Cenozoic | |
...Paleogene | |
....Eocene | |
.....upper Eocene | |
......Auversian | |
RT | Priabonian |
SN | Europe. Above Lutetian, below Bartonian. |
Aux Vases Sandstone ![]() | |
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BT | Chronostratigraphic Units |
.Phanerozoic | |
..Paleozoic | |
...Carboniferous | |
....Mississippian | |
.....Upper Mississippian | |
......Chesterian | |
.......Aux Vases Sandstone | |
RT | Missouri |
Illinois | |
Indiana | |
Illinois Basin | |
SN | SW Illinois, S Indiana and E Missouri. Added to Thesaurus in 1989. |
Auxerre France ![]() | |
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BT | Europe |
.Western Europe | |
..France | |
...Yonne France | |
....Auxerre France | |
SN | City in NE central France. |