Ref.: Keith, Stanton B. (1978) State of Arizona Bureau of Geology and Mineral Technology, Geological Survey Branch Bull. 192, Index of Mining Properties in Yuma County, Arizona: 165 (Table 4).
Arizona Bureau of Mines file data.
A Cu-Ag-Pb-Fe mining district located in T2-3N, R15-16W.
Mineralization is spotty chrysocolla and other oxidized copper and lead minerals in joints and fractures along fault zones in Cretaceous andesitic volcanics capped by Cretaceous welded rhyolitic tuff and breccia.
Workings are mostly prospect shafts, pits, and open cuts over a wide area, worked mainly in the early 1940's. The district produced some 518 tons of ore containing about 175 tons of copper and 514 oz. of silver.
Mineral list contains entries from the region specified including sub-localitiesMineral List:25 entries listed. 15 valid minerals.
Localities in this Region:
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