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Sonoita Mine group (Sondita Mine; Sondita Mine group; Evans claim), Palmetto District, Patagonia Mts, Santa Cruz Co., Arizona, USA

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‡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:
290-291.

Moger, S.R. (1970) Geology of the west central portion of the Patagonia
Mountains, Santa Cruz County, Arizona: Davis, University of California, M.S. thesis, 60 p.

Keith, Stanton B. (1975), Arizona Bureau of Mines Bull. 191, Index of Mining Properties in Santa Cruz County Arizona: 74 (Table 4).

U.S. Bureau of Mines field notes.

U.S. Bureau of Mines Coronado National Forest Study Report.

Arizona Bureau of Mines card file Santa Cruz County.

MRDS database Dep. ID file #10283353, MAS ID #0040230366.

A former underground Cu-Ag-Au-Pb-Zn-V-Mo mine located in the NE¼SE¼ sec. 3, T.23S., R.15E, on National Forest land. Owned/operated at times, or in part, by Keegan; the Sonoita Copper Co.; and, Evans (1975).

Mineralization is in the intersections of faults and fractures containing spotty pyrite, chalcocite, galena and ruby silver ina gangue of quartz, psilomelane and gouge. Strong oxidation but weak alteration of Precambrian metamorphic and Jurassic granitic intrusive wall rocks.

Workings include shaft operations. Sporadic mining was carried on in the 1880's and from 1916 through 1918. It produced some 500 tons of ore averaging about 8% Cu, 11 oz. Ag/T and minor Au & Pb.

Mineral List

Mineral list contains entries from the region specified including sub-localities


9 entries listed. 6 valid minerals.

Localities in this Region

USA
  • Arizona
    • Santa Cruz Co.
      • Patagonia Mts
        • Palmetto District
          • Sonoita Mine group (Sondita Mine; Sondita Mine group; Evans claim)

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