‡Ref.: Schrader, F.C. (1915) Mineral deposits of the Santa Rita and Patagonia Mountains, Arizona, with contributions by J.M. Hill: U.S. Geological Survey Bulletin 582, 373 p., 3 sheets, scale 1:125,000: 185.
Keith, Stanton B. (1975), Arizona Bureau of Mines Bull. 191, Index of Mining Properties in Santa Cruz County Arizona: 84 (Table 4). Arizona Bureau of Mines file data.
Arizona Bureau of Mines card file Santa Cruz County.
Arizona Bureau of Mines Mineral Map of Santa Cruz County.
A former underground Pb-Ag-Cu-Zn-Au mine located in the center of sec. 19, T.20S., R.14E. Owned at times, or in part, by Orosco; Alabama Queen Mining Co.; O'Neil & Candelaria; and, Ellefson.
Mineralization is largely oxidized, irregular replacement lemses of sulfides in Permian limestone along a fault contact with Cretaceous arkose, in a folded and faulted synclinal thrust block. Some high-grade zinc carbonate ore.
Workings include shaft and adit operations. Worked intermittently from the early 1900's through 1961. Produced some 300 tons of ore averaging about 8% Pb, 8 oz. Ag/T, 3% Cu, and minor Au.
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Map Reference: 31°41'4"N , 110°56'48"W
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Mineral List:5 entries listed. 4 valid minerals.
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