Uranium-vanadium deposits of the Cottonwood Wash mining area, San Juan County, Utah
The Cottonwood Wash mining area was formerly one of the larger producers of uranium-vanadium ores from the Salt Wash member of the Morrison formation of Jurassic age in southeastern Utah. Exposed rocks range in age from the Carmel formation of Jurassic age to the Dakota group of Cretaceous age. The strata are nearly flat-lying on the east but are warped up steeply on the west in Comb Ridge monocline. The uranium-vanadium deposits are grouped in an area one mile square near the junction of Brushy Basin Wash with Cottonwood Wash. They range in size from a few tons to several thousand tons. The ...
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