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Ballas Silver-Lead Mine, Ballas Mine area, Quijotoa District, Quijotoa Mts, Tohono O'odom (Papago) Indian Reservation, Pima Co., Arizona, USA

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Ref.: Keith, Stanton B. (1974), Arizona Bureau of Geology & Mineral Technology, Geological Survey Branch Bull. 189, Index of Mining Properties in Pima County, Arizona: 139 (Table 4).

Kahle, K., Conway, D., and Haxel, G. (1978) Preliminary geologic map of the Ajo 1o by 2o quadrangle, Arizona: U.S. Geological Survey Open-File Report 78-1096, 2 sheets, scale 1:250,000.

Arizona Bureau of Mines file data.

MRDS database Dep. ID file #10027155, MRDS ID #M002305.

A former small surface and underground Ag-Pb-Zn-Cu-Au mine located in the NE ¼ sec. 14, T.15S., R.2E. (protracted) in the Quijotoa Mountains, 2 miles SW of the Quijotoa Trading Post. Discovered 1885. 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.

Worked sporadically since the 1880's. Together with nearby prospects and mines, probably produced up to 100 tons of ore averaging about 200 oz. Ag/T, 8-9% Pb, 1% Cu and minor gold.

Mineral List

5 entries listed. 5 valid minerals.

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