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Arizona McGinnis Mine (Copper Queen Mine), Cienega District, Buckskin Mts, La Paz Co., Arizona, USA

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‡Ref.: Keith, Stanton B. (1978) State of Arizona Bureau of Geology and Mineral Technology, Geological Survey Branch Bull. 192, Index of Mining Properties in Yuma County, Arizona: 122 (Table 4).

Arizona Bureau of Mines file data.

MRDS database Dep. ID file #10162329, MAS ID #0040120033.

A former surface and underground Cu-Au-Ag mine located in South-central (center S½) sec. 9, the NW¼ sec. 16, and the NE¼ sec. 17, T10N, R18W (Black Peak 15 minute topo map), on land of unknown status. Owned/operated at times, or in part, by McGinnis, and the Arizona McGinnis Copper Co. Owned and operated by Mr. Morrow (1927).

Mineralization is spotty cuprite, malachite, and chrysocolla in stringers and replacements in metamorphosed Paleozoic limestone along and below thrust-faulted Precambrian quartz schist. Ore occurs in irregular and shallow shoots with some rich pockets of gold.

Workings include a shaft, tunnel and open cuts. This mine was worked in 1913, 1917, and 1926-1927, producing some 170 tons of ore averaging about 9% Cu, 0.6 oz. Au/T and 0.1 Ag/T.

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3 entries listed. 3 valid minerals.

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