Black Rock Desert volcanic field
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Lee Siebert (Smithsonian Institution)
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The Black Rock Desert volcanic field — in Millard County, Utah.
- It consists of a cluster of closely spaced small volcanic fields of Pleistocene-to-Holocene age in the Black Rock and Sevier Deserts.
- This view shows Utah's youngest known lava flow, the 660-year-old Ice Springs flow, which originated from a series of nested cinder and spatter cones. The rim of Crescent Crater is at the right, with the symmetrical Pocket Crater at the left and Pavant Butte in the distance. Pavant Butte, a tuff cone, erupted through the waters of Pleistocene Lake Bonneville about 16,000 years ago.
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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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Public domain
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