Ballas Mine area, 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).
Arizona Bureau of Mines file data.
MRDS database Dep. ID #10235020, MAS ID #0040190112.
A Ag-Pb-Zn-Cu-Au mining area located in the center sec. 35, T.14S., R.2E. (protracted) (Quijotoa Mts 15 minute topo map), in the Quijotoa Mountains. Owned by the Julian Merger Mines, Inc.
Mineralization is largely oxidized, irregular, quartz lenses containing spotty sulfides and free gold along shear zones and fractures in Laramide granitic intrusive. Mineralization includes secondary copper minerals.
Workings include numerous prospects and a few mines worked sporadically since the 1880's. probably produced up to 100 tons of ore averaging about 200 oz. Ag/T, 8-9% Pb, 1% Cu and minor gold.
Mineral ListMineral list contains entries from the region specified including sub-localities
11 entries listed. 6 valid minerals.
Localities in this Region
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