Ben Lomond Mines (Ben Lomand Mines; Ben Leonard Mines; McKay Mine), Quijotoa District, Quijotoa Mts, Tohono O'odom (Papago) Indian Reservation, Pima Co., Arizona, USA
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Niemuth, N.J. & K.A. Phillips (1992), Copper Oxide Resources, Arizona Department of Mines & Mineral Resources Open File Report 92-10: 11 (Table 1).
USGS Quijotoa Mountains Quadrangle topo map.
Arizona Bureau of Mines file data.
Yale Peabody GNIS database (NOTE: this database is derived from USGS 1:24,000 topographic map data).
MRDS database Dep. ID file #10109014, MRDS ID #M002332; and, Dep. ID #10210837, MAS ID #0040190116.
A former small underground Au-Ag-Pb-Cu-Zn mine located in the SW¼ sec. 12 and in the East-central sec. 11, T.16S., R.2E. (protracted)(Quijotoa Mts 15 minute topo map), on 14 unpatented claims, in the Quijotoa Mountains, 8 miles SSW of the Quijotoa Trading Post. Discovered 1885. Owned by Ben Leonard Mines.
Mineralization is small, spotty, pockety, oxidized Au-Ag-Pb-Zn minerals in irregular and narrow, lensing, quartz-calcite fissure veins in Tertiary silicic volcanics. Mineralization includes secondary copper minerals.
Workings include tunnel and shaft operations. Active in 1925, when production figures are not available, and in 1932, as well as in the 1890'S. Produced some 100 tons of ore in the 1880's. This ore averaged about 10 oz. Au/T and 20 oz. Ag/T. In 1932 some 200 tons of ore averaging about 10 oz. Au/T, 3 oz. Ag/T, and minor Pb & Cu were produced.
1 entry listed. 1 valid mineral.
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