About: Columbia River Basalt Group

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The Columbia River Basalt Group is the youngest, smallest and one of the best-preserved continental flood basalt province on Earth, covering over 210,000 km2 (81,000 sq mi) mainly eastern Oregon and Washington, western Idaho, and part of northern Nevada. The basalt group includes the Steens and Picture Gorge basalt formations.

Attributes	Values
rdf:type	yago:WikicatLargeIgneousProvinces yago:WikicatVolcanicFieldsOfTheWesternUnitedStates yago:AdministrativeDistrict108491826 yago:District108552138 yago:Field108569998 yago:GeographicalArea108574314 yago:GeologicalFormation109287968 yago:Highland109302616 yago:Location100027167 yago:NaturalElevation109366317 yago:Object100002684 yago:PhysicalEntity100001930 yago:Region108630985 yago:YagoGeoEntity yago:YagoLegalActorGeo yago:YagoPermanentlyLocatedEntity settlement yago:State108654360 yago:Tableland109453008 yago:Tract108673395 yago:WikicatPlateausOfTheUnitedStates
rdfs:label	Columbia-Plateaubasalt (de) Columbia River Basalt Group (en) Groupe basaltique du Columbia (fr) Gruppo basaltico del Columbia (it)
rdfs:comment	The Columbia River Basalt Group is the youngest, smallest and one of the best-preserved continental flood basalt province on Earth, covering over 210,000 km2 (81,000 sq mi) mainly eastern Oregon and Washington, western Idaho, and part of northern Nevada. The basalt group includes the Steens and Picture Gorge basalt formations. (en) Il gruppo basaltico del Columbia, o gruppo basaltico del fiume Columbia, è una grande provincia ignea che si estende su gran parte degli Stati Uniti d'America occidentali, soprattutto negli stati di Washington, Oregon, Idaho, Nevada e California. Il gruppo include anche le formazioni basaltiche Steen e Picture Gorge. (it) Der Columbia-Plateaubasalt ist ein ausgedehnter Flutbasalt in den USA, der Teile der Bundesstaaten Washington, Oregon und Idaho bedeckt. Während des mittleren und späten Miozäns bis in das frühe Pliozän verschlangen gewaltige Mengen von Basalt mehr als 163.700 km² des Pazifischen Nordwestens und bildeten eine magmatische Großprovinz mit einem geschätzten Volumen von 174.300 km³. Die Eruptionen waren vor 17 bis 14 Millionen Jahren am heftigsten, als über 99 % des Basalts gefördert wurden. Neuere Untersuchungen grenzen die Phase der Hauptaktivität auf den Zeitraum vor 16,7 bis 15,9 Millionen Jahre ein. Die vor 14 bis 6 Millionen Jahren erfolgenden Ausbrüche waren weniger ausgiebig. (de) Le groupe basaltique du Columbia (anglais : Columbia River Basalt Group) est une grande province ignée qui se trouve dans les régions des États américains de Washington, d'Oregon et d'Idaho. La région est l'actuelle plateau du Columbia. Au cours de la fin du Miocène et au début du Pliocène, l'une des inondations de basaltes des plus importantes jamais connue engloutit environ 163 700 km2 de la région Nord-Ouest Pacifique, formant une grande province ignée. Les éruptions ont été les plus notables il y a entre 17 et 14 millions d'années. (fr)
foaf:depiction
dct:subject	Columbia River Plateaus of the United States Geologic provinces of the United States Volcanism of Washington (state) Volcanism of Oregon Large igneous provinces Paleogene United States Miocene geology Miocene volcanism Pliocene geology Pliocene volcanism Yellowstone hotspot Volcanism of Idaho
Wikipage page ID	7458393 (xsd:integer)
Wikipage revision ID	1124137610 (xsd:integer)
Link from a Wikipage to another Wikipage	Canada Epoch (geology) Columbia River Basalt Plateaus of the United States Hydrochloric acid Hydrofluoric acid Joseph, Oregon Pendleton, Oregon Permian Deccan Traps K–Ar dating Petrified wood Siberian Traps Snake River Plain Stratovolcano Columbia River Columbia River Gorge Geologic provinces of the United States Saddle Mountains Chilcotin Group Clackamas River Enterprise, Oregon Grand Coulee Grande Ronde River Miocene Missoula Floods Volcanism of Washington (state) Basin and Range Province Silver Falls State Park Snake River Steens Mountain Volcanism of Oregon Emeishan Traps Mantle plume Magnetostratigraphy British Columbia Large igneous provinces Tualatin Mountains Walla Walla, Washington Wallula Gap

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