Idaho's Forgotten Volcano; The Cerro Grande Lava Field

Описание: Within Idaho there is a dormant volcano that is largely forgotten about, as it is looked over due to the presence of 4 other fairly close and more active volcanoes. What I am referring to is the Cerro Grande lava field, which last erupted approximately 11,900 years ago. Its eruptions occurred along a localized rift zone, leading to the creation of 3 lava flows that covered an area of approximately 77 square miles.

Thumbnail Photo Credit: Google Earth. The Cerro Grande volcanic field was outlined in this image with a white border within Google Earth. This image was then overlaid with text in addition to GeologyHub made graphics (the GeologyHub logo and the image border).

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Google Earth imagery used in this video: ©Google & Data Providers

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Sources/Citations:
[1] U.S. Geological Survey
[2] Mel A. Kuntz, Harry R. Covington, Linda J. Schorr, "An overview of basaltic volcanism of the eastern Snake River Plain, Idaho", Nuclear Regulatory Commission, Exhibit # - NRC000068-MA-BD01, Docket # - 07007015, Identified: 01/25/2011

0:00 Idaho's Volcanoes
0:45 Cerro Grande Volcano
1:36 Geologic Setting
2:07 Rift Zones
2:47 Eruptive History
4:21 Conclusion