‡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: 134-136.
Lee, C.A., and Borland, G.C. (1935) The geology and ore deposits of the Cuprite mining district: Tucson, University of Arizona, M.S. thesis, 54 p.
Keith, Stanton B. (1974), AZ Bur. of Geol. & Min. Technology, Geol. Survey Br. Bull. 189, Index of Mining Properties in Pima County, AZ: 125 (Table 4).
USGS Empire Mountains Quadragle topo map.
Arizona Bureau of Mines file data.
MRDS database Dep. ID file #10137563, MRDS ID #M050490, MAS ID #0040190188.
A former underground Cu-Ag-Mo-Zn-Pb mine group located in the SW¼NE¼NW ¼ sec. 28, T.17S., R.16E., on land of unknown status. Owned by the Cuprite Mining & Smelting Co.
Mineralization is copper sulfides with minor carbonates, silicates, and oxides and spotty minor molybdenum and base metal sulfides in irregular pyrometasomatic replacement deposits in silicated PAleozoic marble and along fault and fracture zones in overlying Cretaceous sediments in a thrust-faulted and strongly fractured block in contact with Laramide intrusive.
Workings include shaft and tunnel operations. Produced sporadically from 1899 to 1915 some 2,000 tons of ore avaraging about 6% Cu and 0.6 oz. Ag/T.
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Map Reference: 31°55'40"N , 110°42'34"W
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