Gould Mine, Avra, Amole District, Tucson Mts, Pima Co., Arizona, USA
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Keith, Stanton B. (1974), Arizona Bureau of Geology & Mineral Technology, Geological Survey Branch Bull. 189, Index of Mining Properties in Pima County, Arizona: 84 (Table 4).
Arizona Bureau of Mines file data.
MRDS database Dep. ID file #10039678, MRDS ID #M050637; and, Dep. ID #10283581, MAS ID #0040190238.
A former small underground Cu-Ag-Pb mine located in West-central sec. 31, T.13S., R.12E., 6 miles SE of Avra. Owned at times, or in part, by the Gould Copper Mining Co.; and the Pioneer Smelting Co.
Mineralization is copper sulfides, pyrite and minor copper carbonates with quartz, epidote, and garnet in contact metamorphosed limestone lenses in Cretaceous arkose where cut by a fissure zone and intruded by Laramide quartz latite dikes.
Workings include a 350 foot (106.68 meters) deep shaft, tunnels, and underground workings. This mine produced intermittently from 1907 to 1912 and in 1940. Total production was some 1,500 tons of ore averaging about 2% Cu, and 0.1 oz. Ag/T.
5 entries listed. 4 valid minerals.
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