File:Cinder cone volcano (Quaternary; Inferno Crater, Craters of the Moon Lava Field, Idaho, USA) 6.jpg

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English: Cinder cone in the Holocene of Idaho, USA.

Southern Idaho’s Snake River Plain represents the track of the Yellowstone Hotspot. Yellowstone is currently located in northwestern Wyoming. In the geologic past, the center of Yellowstone volcanism was in southern Idaho, and before that, it was located in southeastern Oregon.

Eight separate, large, dark-colored lava fields cover portions of the modern Snake River Plain: Shoshone Lava Field, Craters of the Moon Lava Field, Wapi Lava Field, Kings Bowl Lava Field, Cerro Grande Lava Field, North Robbers Lava Field, South Robbers Lava Field, and Hell’s Half Acre Lava Field. These lavas erupted during the late Pleistocene and Holocene, well after the Yellowstone Hotspot “migrated” to the northeast. The lavas are so young that little vegetation covers them. Portions of the Snake River Plain's basaltic lava fields have been designated as Craters of the Moon National Monument. The flows & cones in the Craters of the Moon Lava Field range in age from ~15 ka to ~2 ka. The landscape is harshly beautiful and provides an excellent opportunity to closely examine terrestrial basalt volcanism.

The photo shows a dormant cinder cone volcano in Idaho's Craters of the Moon Lava Field. Cinder cones are relatively small, steep-sided cones of loose igneous debris. They have few eruptions and a relatively large summit crater. Cinder cones are principally composed of scoria and vesicular basalt. This is Inferno Cone - the surface is covered with scoriaceous mafic glass (= tachylite). Many of these "cinders" have bluish iridescence.

Locality: Inferno Cone (view from the tourist trail), Craters of the Moon National Monument, Snake River Plain, southern Idaho, USA
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Source https://www.flickr.com/photos/47445767@N05/49475816176/
Author James St. John

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This file is licensed under the Creative Commons Attribution 2.0 Generic license.
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This image was originally posted to Flickr by James St. John at https://flickr.com/photos/47445767@N05/49475816176 (archive). It was reviewed on 3 February 2020 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0.

3 February 2020

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current19:39, 3 February 2020Thumbnail for version as of 19:39, 3 February 20203,008 × 1,630 (3.56 MB)Ser Amantio di Nicolao (talk | contribs)User created page with UploadWizard

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