Latitude: 31°54'20"N
Longitude: 110°38'22"W
‡Ref.: Schrader, F.C. & J.M. Hill (1915), Mineral deposits of the Santa Rita and Patagonia Mountains, Arizona, USGS Bull. 582: 152.
Keith, Stanton B. (1974), Arizona Bureau of Geology & Mineral Technology, Geological Survey Branch Bull. 189, Index of Mining Properties in Pima County, Arizona: 119 (Table 4).
Niemuth, N.J. & K.A. Phillips (1992), Copper Oxide Resources, Arizona Department of Mines & Mineral Resources Open File Report 92-10: 12 (Table 1).
USGS Empire Mountains Quadrangle topo map.
MRDS database Dep. ID file #10039596, MRDS ID #M050394; and, Dep. ID #10186107, MAS ID #0040190282.
A former small surface Cu-Ag mine located in the SE ¼ sec. 31, T.17S., R.17E. (Empire Mountains 15 minute topo map), 1 mile east of the Montana Mine, west slope of the Empire Mountains, at about 4,300 feet of altitude, 7½ miles SW of Pantano, on land of unknown status.
Mineralization is enriched copper carbonate in a surficial contact metamorphic deposit along the contact of Laramide quartz monzonite intrusive and faulted Paleozoic and Cretaceous sedimentary formations.
Workings are surface openings. Reportedly some 1,000 tons of copper-silver ore were shipped in the late 1800's or early 1900's.
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