Ubehebe Crater by Charles Dobbs. Death Valley National Park California, Ubehebe Crater is located at the north tip of the Cottonwood Mountains. The crater is half a mile (one kilometer) wide and 500 to 777 feet (150 to 237 m) deep. The age of the crater is estimated from 2,000 to 7,000 years old. The crater was formed when magma migrated close to the surface and the heat of the magma caused groundwater to flash into steam, throwing large quantities of pulverized old rock and new magma across the stony alluvial fan draped across the valley floor. The magma rose through a fault that lies along the western base of Tin Mountain. Movement on this fault was responsible for uplift of the entire Cottonwood Mountains range.
March 27th, 2016
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