Copper Bell Mine, Copper King Mine group (Milewide Mine group), Saguaro National Monument West, Amole District, Tucson Mts, 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: 12 (Table 1).
Arizona Bureau of Mines file data.
MRDS database Dep. ID file #10186194, MAS ID #0040190170.
A former underground Cu-Ag-Au mine located in the SE¼NE¼SE¼ sec. 30, T.13S., R.12E. (Ara 7.5 minute topo map). Owned at times, or in part, by the Mile Wide Copper Co.; and, Beard & Allen.
Mineralization is spotty copper carbonates and sulfides in irregular, small replacement bodies along fracture zones in limestone lenses in Cretaceous arkose close to a Laramide intrusive dike.
Workings include a 360 foot deep shaft and underground workings. Worked in 1937 and 1956. It produced some 90 tons of ore averaging about 4.6% Cu, 1.1 oz. Ag/T and a trace of gold.
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