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- Bruneau-Jarbidge_caldera abstract "The Bruneau-Jarbidge caldera (sometimes called a supervolcano) is located in present-day southwest Idaho. The volcano erupted during the Miocene, between ten and twelve million years ago, spreading a thick blanket of ash in the Bruneau-Jarbidge event and forming a caldera. Animals were suffocated and burned in pyroclastic flows within a hundred miles of the event, and died of slow suffocation and starvation much farther away, notably at Ashfall Fossil Beds, located 1000 miles downwind in northeastern Nebraska, where up to two meters of ash was deposited. At the time, the caldera was above the Yellowstone hotspot.The existence of the event was discovered in 1971 by Prof. Mike Voorhies, a paleontologist at the University of Nebraska State Museum, at a lagerstätte near Royal, Nebraska, the Ashfall Fossil Beds; there, two hundred fossilized rhinoceros remained at a single site, together with the prehistoric skeletons of camels and lizards, horses and turtles, a death assemblage preserved in two meters of volcanic ash. By its uniquely characteristic chemical "fingerprint" and the distinctive size and shape of its crystals and glass shards, the volcano stood out among dozens of prominent ashfall horizons laid down in the Cretaceous, Paleogene, and Neogene periods of central North America. The event responsible for this fall of volcanic ash was identified at Bruneau-Jarbidge, 1600 kilometers west in Idaho. Prevailing westerlies deposited distal ashfall over a vast area of the Great Plains.The evolving composition of the erupted material indicates that while it is derived in large part from melted material from the middle or upper crust, it also incorporated a young basaltic component.".
- Bruneau-Jarbidge_caldera thumbnail HotspotsSRP.JPG?width=300.
- Bruneau-Jarbidge_caldera wikiPageExternalLink supervolcanoes_script.shtml.
- Bruneau-Jarbidge_caldera wikiPageExternalLink Nebraska.pdf.
- Bruneau-Jarbidge_caldera wikiPageID "6964660".
- Bruneau-Jarbidge_caldera wikiPageRevisionID "555550898".
- Bruneau-Jarbidge_caldera hasPhotoCollection Bruneau-Jarbidge_caldera.
- Bruneau-Jarbidge_caldera subject Category:Extinct_volcanoes.
- Bruneau-Jarbidge_caldera subject Category:Hotspot_volcanoes.
- Bruneau-Jarbidge_caldera subject Category:Landforms_of_Owyhee_County,_Idaho.
- Bruneau-Jarbidge_caldera subject Category:Miocene_volcanoes.
- Bruneau-Jarbidge_caldera subject Category:Supervolcanoes.
- Bruneau-Jarbidge_caldera subject Category:VEI-8_volcanoes.
- Bruneau-Jarbidge_caldera subject Category:Volcanic_calderas_of_the_United_States.
- Bruneau-Jarbidge_caldera subject Category:Volcanism_of_Idaho.
- Bruneau-Jarbidge_caldera subject Category:Volcanoes_of_Idaho.
- Bruneau-Jarbidge_caldera point "42.3 -115.2".
- Bruneau-Jarbidge_caldera type Abstraction100002137.
- Bruneau-Jarbidge_caldera type AmorphousShape113867492.
- Bruneau-Jarbidge_caldera type Attribute100024264.
- Bruneau-Jarbidge_caldera type Caldera109231117.
- Bruneau-Jarbidge_caldera type Crack109258715.
- Bruneau-Jarbidge_caldera type ExtinctVolcanoes.
- Bruneau-Jarbidge_caldera type GeologicalFormation109287968.
- Bruneau-Jarbidge_caldera type HotspotVolcanoes.
- Bruneau-Jarbidge_caldera type Location100027167.
- Bruneau-Jarbidge_caldera type MioceneVolcanoes.
- Bruneau-Jarbidge_caldera type Object100002684.
- Bruneau-Jarbidge_caldera type Opening109379111.
- Bruneau-Jarbidge_caldera type PhysicalEntity100001930.
- Bruneau-Jarbidge_caldera type Shape100027807.
- Bruneau-Jarbidge_caldera type Space113910384.
- Bruneau-Jarbidge_caldera type VEI-7Volcanoes.
- Bruneau-Jarbidge_caldera type Vent109470550.
- Bruneau-Jarbidge_caldera type VolcanicCalderasOfTheUnitedStates.
- Bruneau-Jarbidge_caldera type VolcanicCrater109472413.
- Bruneau-Jarbidge_caldera type VolcanoesOfIdaho.
- Bruneau-Jarbidge_caldera type YagoGeoEntity.
- Bruneau-Jarbidge_caldera type YagoLegalActorGeo.
- Bruneau-Jarbidge_caldera type YagoPermanentlyLocatedEntity.
- Bruneau-Jarbidge_caldera type SpatialThing.
- Bruneau-Jarbidge_caldera comment "The Bruneau-Jarbidge caldera (sometimes called a supervolcano) is located in present-day southwest Idaho. The volcano erupted during the Miocene, between ten and twelve million years ago, spreading a thick blanket of ash in the Bruneau-Jarbidge event and forming a caldera.".
- Bruneau-Jarbidge_caldera label "Bruneau-Jarbidge caldera".
- Bruneau-Jarbidge_caldera sameAs m.0gz266.
- Bruneau-Jarbidge_caldera sameAs Q12304454.
- Bruneau-Jarbidge_caldera sameAs Q12304454.
- Bruneau-Jarbidge_caldera sameAs Bruneau-Jarbidge_caldera.
- Bruneau-Jarbidge_caldera lat "42.3".
- Bruneau-Jarbidge_caldera long "-115.2".
- Bruneau-Jarbidge_caldera wasDerivedFrom Bruneau-Jarbidge_caldera?oldid=555550898.
- Bruneau-Jarbidge_caldera depiction HotspotsSRP.JPG.
- Bruneau-Jarbidge_caldera isPrimaryTopicOf Bruneau-Jarbidge_caldera.