‡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: 158 (Table 4).
Niemuth, N.J. & K.A. Phillips (1992), Copper Oxide Resources, Arizona Department of Mines & Mineral Resources Open File Report 92-10: 8 (Table 1).
Arizona Bureau of Mines file data.
MRDS database Dep. ID file #10282504, MAS ID #0040120162.
A former underground Cu-Ag-Au mine located in the NW¼ sec. 11, T2N, R21W (protracted) (Dome Rock Mountains SW 7.5 minute topo map). Owned/operated at times, or in part, by Farrow; Barrett & Robinson; and, O'Brien.
Mineralization is gold-bearing quartz, impregnated with primary and secondary copper minerals, in lensing quartz fissure veins in Mesozoic schist having local thin beds of quartzite and marblized limestone.
Workings include a shaft(s). This claim was patented in 1901. It was worked in the early 1900's and late 1950's. It produced some 100 tons of ore averaging about 4% Cu, 3 oz. Ag/T and 0.2 oz. Au/T.
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Map Reference: 33°31'55"N , 114°24'15"W
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Mineral List: |
Chalcocite  | | | | Reference: | [Keith, Stanton B. (1978) State of Arizona Bureau of Geology and Mineral Technology, Geol. Sur. Br. Bull. 192, Index of Mining Properties in Yuma Co., Arizona: 158 (Table 4); Arizona Bureau of Mines file data.] |
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Chrysocolla | | | | Reference: | [Keith, Stanton B. (1978) State of Arizona Bureau of Geology and Mineral Technology, Geol. Sur. Br. Bull. 192, Index of Mining Properties in Yuma Co., Arizona: 158 (Table 4); Arizona Bureau of Mines file data.] |
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Malachite | | | | Reference: | [Keith, Stanton B. (1978) State of Arizona Bureau of Geology and Mineral Technology, Geol. Sur. Br. Bull. 192, Index of Mining Properties in Yuma Co., Arizona: 158 (Table 4); Arizona Bureau of Mines file data.] |
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3 entries listed. 3 valid minerals.
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