‡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: 188.
Keith, Stanton B. (1975), Arizona Bureau of Mines Bull. 191, Index of Mining Properties in Santa Cruz County Arizona: 84 (Table 4).
U.S. Bureau of Mines field notes.
Arizona Bureau of Mines file data.
MRDS database Dep. Id file #10113159, MAS ID #0040230151.
A former underground Zn-Cu-Pb-Ag-Au mine group located in the NE¼SE¼ sec. 35, T.20S., R.14E, on National Forest land. Owned at times, or in part, by Michelske; Reid; Johnson; Kramer; the Arizona Consolidated Gold & Copper Mines; and the Boulder Mining Co.
Mineralization is spotty, partly oxidized sulfides in a narrow, lensing quartz fissure vein cutting Cretaceous rhyodacite welded tuff and interbedded arkose near intrusive Laramide diorite.
Workings include adit and shaft operations. Sporadic production of some 350 tons of ore averaging about 7% Zn, 3% Cu, 2% Pb, and 3 oz. Ag/T, from the early 1900's through 1960.
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