File:Блэк Рок Десерт.jpg
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English: Pavant Butte, a large tuff cone in the Black Rock Desert volcanic field, was constructed on top of pahoehoe and aa lava flows about 16,000 years ago. Pavant Butte owes its morphology to the fact that it was erupted through a water depth of 85 m in Pleistocene Lake Bonneville. A prominent wave-cut shoreline is visible on the flanks of the cone. The subaerial portion of the 275-m-high cone consists of palagonite, formed by alteration of volcanic glass. The Pavant field is the northernmost in the Black Rock Desert. Русский: Туфовый конус Павает Бьютт, возникший 16 000 лет назад |
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| Source | http://www.volcano.si.edu/world/volcano.cfm?vnum=1207-05-&volpage=photos |
| Author | Photo by Willie Scott, (Smithsonian Institution). |
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This image or file is a work of a Smithsonian Institution employee, taken or made as part of that person's official duties. As a work of the U.S. federal government, the image is in the public domain in the United States.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
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| current | 16:25, 21 March 2021 | | 1,024 × 664 (273 KB) | Jstuby (talk | contribs) | higher resolution |
| 19:33, 28 October 2012 |  | 640 × 415 (67 KB) | Bortorix (talk | contribs) | User created page with UploadWizard |
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