‡Ref.: Schrader, F.C. & J.M. Hill (1915), Mineral deposits of the Santa Rita and Patagonia Mountains, Arizona, USGS Bull. 582: 186-187.
University of Arizona Bull. 41 (1916-17), Mineralogy of Useful Minerals in Arizona: 40.
Galbraith, F.W. & D.J. Brennan (1959), Minerals of Ariozna: 32.
Sulik, J.F. (1957) Stratigraphy and structure of the Montosa Canyon area, Santa Cruz County, Arizona: Tucson, University of the Arizona, M.S. thesis, 64 p.
Keith, Stanton B. (1975), Arizona Bureau of Mines Bull. 191, Index of Mining Properties in Santa Cruz County Arizona: 86 (Table 4).
Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd. ed.: 159, 246, 417.
Arizona Bureau of Mines file data.
A Pb-Ag-Cu-Zn-Au mine located in T.20S., R.14E. Owned at times, or in part, by the Calabasas Copper Co.; Boykin; Amado Mines; and, McIntosh.
Mineralization is largely oxidized sulfides in an irregular replacement body in a large, exotic paleozoic limestone block engulfed in Cretaceous dacitic volcanic breccia, and also as spotty mineralization in a quartz-fissure vein cutting the dacite volcanics.
Worked sporadically from the early 1900's through 1949. The group produced some 1,000 tons of ore averaging about 22% Pb, 3% Cu, 3 oz. Ag/T and minor Zn and Au. Most of the workings of the Montosa Mine are developed on this claim.
Mineral List
8 entries listed. 6 valid minerals.
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