Latitude: 31°24'46"N
Longitude: 109°54'44"W
‡Ref.: Jones, E.L., Jr. & F.L. Ransome (1920), Deposits of manganese ore in Arizona, USGS Bull. 710-D: 104, 110.
Wilson, E.D. & G.M. Butler (1930), Manganese ore deposits in Arizona, Arizona Bureau of Mines Bull. 127: 43.
Farnham, L.L., Stewart, L.A., and Delong, C.W. (1961), Manganese Deposits of Eastern Arizona, US Bureau of Mines Information Circular 7990: 21.
Bryant, D.G. & R.A. Metz (1966), Geology and ore deposits of the Warren mining district, in Titley, S.R. and Hicks, C.L., eds., Geology of the porphyry copper deposits, southwestern North America: 189-203, University of Arizona Press: 202.
Keith, Stanton B. (1973), Arizona Bureau of Mines Bull. 187, Index of Mining Properties in Cochise County, AZ: 85 (Table 4).
Arizona Bureau of Mines files.
MRDS database Dep. ID file #10046244, MRDS ID #M241110.
A former small underground Cu-Ag-Au-Mn mine located in south-central (S of NE¼SW¼) sec. 21, T.23S., R.24E., on the south end of Escabrosa Ridge, about 2,000 feet WSW of the Cole shaft, and approximately 2¼ miles W of Warren, on private land. Discovered 1917. Owned at times, or in part, by the Phelps Dodge Corp. and the Boras Leasing Co.
Mineralization is irregular, pipe-like replacement orebodies of partly oxidized copper mineralization along fault zones in Cambrian Abrigo Limestone. Irregular and spotty stringers, veinlets, and pods of hard manganese oxides along fissures and as replacements in limestone.
Workings include a shaft(s) to a depth of 335.28 meters. At least two shafts present, one inclined. Some 50,000 tons of copper ore were produced, mainly from 1920-1926.
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