Latitude: 33°37'50"N
Longitude: 114°6'15"W
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: 169 (Table 4).
Arizona Bureau of Mines file data.
MRDS database Dep. ID file #10162213, MAS ID #0040120279.
A former surface and underground Au-Ag-Cu mine located in the center of sec. 3, T3N, R18W, on land of unknown status. Owned at times, or in part, by George King & Co.; and, the New York & Plomosa Mining Co.
Mineralization is spotty gold, silver, and oxidized copper ores in irregular quartz veins and veinlets in highly deformed, schistose, silicified and epidotized Paleozoic or Mesozoic sediments with interbedded, altered andesite cut by aplitic dikes.
Workings are shallow shafts and open cuts. This mine groupwas worked in the early 1900's and produced some 1,720 tons of ore averaging about 0.3 oz. Au/T, 1 oz. Ag/T and 0.6% Cu.
Mineral List
1 entry listed. 1 valid mineral.
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