‡Ref.: Galbraith, F.W. & D.J. Brennan (1959), Minerals of Arizona: 49, 53, 96.
Bideaux, R.A., et al (1960), Some new occurrences of minerals of Arizona, Arizona Geological Society Digest: 3: 53-56.
Keith, Stanton B. (1974), Arizona Bureau of Geology & Mineral Technology, Geological Survey Branch Bull. 189, Index of Mining Properties in Pima County, Arizona: 144 (Table 4).
Stolberg, C.S. (1988), Osarizawaite from the Silver Hill mine, Arizona, Mineralogical Record: 19: 311-313.
Niemuth, N.J. & K.A. Phillips (1992), Copper Oxide Resources, Arizona Department of Mines & Mineral Resources Open File Report 92-10: 13 (Table 1).
Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd. ed.: 123, 126, 135, 136, 145, 146, 196, 248, 277, 286, 308, 319, 331, 357, 374.
Arizona Bureau of Mines file data.
MRDS database Dep. ID file #10108968, MRDS ID #M000164.
A former small underground Cu-Ag-Pb-Au mine group located in the NW ¼ sec. 31, T.12S., R.9E. (Silver Bell Peak 15 minute topo map)on 5 patented claims and 12 unpatented claims, 4 miles SE of Silver Bell. Produced 1916-1947. Owned at times, or in part, by the Silver Hill Consolidated Copper Co.; Ohio Arizona Copper Co.; Silver Hill Mines Co.; Mr. Phil Snyder; Mr. A.R. Byrd; and the Arizona Copper Bell Mining Co. The Silver Hill Mine is included in the operations and ownership of the Indiana-Arizona Mine.
Mineralization is a replacement deposit with lensing veins and some limestone replacements containing copper and lead carbonates and sulfides along faults and fractures in Paleozoic limestone and quartzite. An associated rock unit is granite.
Workings include one shaft 400 feet (121.92 meters) deep, one drift 300 feet long, one 100 ton ore bin as of 1966. Workings total length is 213.36 meters. Originally prospected in the late 1800's and worked sporadically from 1916 to 1947, producing at least 16,000 tons of ore averaging about 3.5% Cu, 3.5 oz. Ag/T, 0.6% Pb and minor Au.
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Map Reference: 32°20'49"N , 111°28'19"W
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