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Silver Lead Mine group (Silver Lead group), Silver Bell District, Silver Bell Mts, 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: 143 (Table 4).

Arizona Bureau of Mines file data, circa 1973.

MRDS database Dep. ID file #10026766, MRDS ID #M000142; and, Dep. ID #10280570, MAS ID #004191129; and, Dep. ID #10283771, MAS ID #0040190405.

A former small surface and underground Pb-Zn-Cu-Ag mine located in the SW ¼ sec. 28, T.11S., R.8E. Produced 1948-1949. Owned/Operated by Gae Contreras (1949).

Mineralization is a small, spotty, pyrometasomatic deposit of largely oxidized base metal sulfides in a Paleozoic limestone block along a fault contact with Laramide intrusive.

Workings are a shallow shaft and pit operations. Produced some 130 tons of ore in 1948-1949, averaging about 3% Pb, 2% Zn, 1% Cu and 2 oz. Ag/T.

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