Latitude: 31°24'36"N
Longitude: 109°54'55"W
‡Ref.: Ransome, F.L. (1904), The geology and ore deposits of the Bisbee quadrangle, Arizona: U.S. Geological Survey Professional Paper 21, 168 p., 3 sheets, scales 1:12,000 and 1:62,500: 110.
Bonillas, Y.S., Tenny, and Feuchere (1917), Geology of the Warren mining district: A.I.M.E. Transactions, Vol. 55: 284-355: 316.
Keith, Stanton B. (1973), Arizona Bureau of Mines Bull. 187, Index of Mining Properties in Cochise County, Arizona: 90 (Table 4).
Phillips, K.A. (1987), Arizona Industrial Minerals, 2nd. Edition, Arizona Department of Mines & Minerals Mineral Report 4, 185 pp.
Niemuth, N.J. & K.A. Phillips (1992), Copper Oxide Resources, Arizona Department of Mines & Mineral Resources Open File Report 92-10: 6 (Table 1).
Arizona Bureau of Mines files.
MRDS database Dep. ID file #10046232, MRDS ID #M241095; and, Dep. ID #10136791, MAS ID #0040030568.
A former small surface and underground Cu-Pb-Zn-Ag-Au-Silica flux mine located in the SW¼SW¼ sec. 21 (& NW¼ sec. 28 ?), T.23S., R.24E. (Bisbee 7.5 minute topo map), approximatley 2 miles W of Warren, on private land. Owned by the Phelps Dodge Corp.
Mineralization is partly oxidized copper and lead ores and siliceous zones in crushed Cambrian Abrigo Limestone along a strong fault and associated with an andesite dike. The ore bodies are near dikes and sills. Ore control includes faulting and associated brecciation. Ore concentration includes Bornite replacing Pyrite. Alteration is gossan with Mn and Fe oxides induced by hydrothermal metamorphism and silicification. An associated rock unit is the Sacramento Hill Stock.
Local features include common pre-mineralization faulting and tilting. Main fault directions are N10W to N40E and S30W to N50W.
Workings include shaft workings subhumed by a large open pit. Several thousand tons of copper-lead ore were produced and also some silica flux.
Mineral List
6 entries listed. 5 valid minerals.
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