Eureka-Marble Mine group, Salero Hill (Salero Mountain), Salero area, Tyndall District, Santa Rita Mts, Santa Cruz Co., Arizona, USA
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Keith, Stanton B. (1975), Arizona Bureau of Mines Bull. 191, Index of Mining Properties in Santa Cruz County Arizona: 85 (Table 4).
U.S. Bureau of Mines field notes, AG12.
Arizona Bureau of Mines card file Santa Cruz County.
MRDS database Dep. ID file #10283164, MAS ID #0040230185.
A former underground Cu-Pb-Zn-Ag-Au mine group located in the NE¼NE¼ sec. 24, T.21S., R.14E, on National Forest land. Owned at times, or in part, by Clark & Peterson; Ferry; Blake; Salero Mines Co.; Gardner; Tobin & Pond; Henderson; Kolberg; and the Eureka Mining & Milling Co.
Mineralization is partly oxidized sulfides and sulfosalts, with supergene enrichment of silver, in a crushed, banded quartz gangue, recemented with iron oxide and silica, in a fissure zone cutting Laramide diorite. Strong pyrite gossan.
Workings include shaft operations. Prospected as early as the 1850's and worked intermittently through 1942. Produced some 950 tons of ore averaging about 12% Pb, 22oz. Ag/T, and minor Cu and Au.
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12 entries listed. 9 valid minerals.
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