Latitude: 31°46'14"N
Longitude: 110°25'27"W
A former small surface and underground Cu-Pb-Ag-Au mine located on 45 claims (1920), in the northern portion of sec. 20, T.19S., R.19E (protracted) (Apache Peak 7.5 minute topo map), approximately 1 mile SE of Granite Peak, on private land. Discovered 1870. First produced 1916.
Mineralization is a replacement deposit with copper and some lead carbonates, oxides and sulfides, weakly disseminated along seams and fractures in Laramide porphyry dikes and in adjoining Laramide granitic porphyry, and in pyrometasomatic lenses along strong shear zones in Pennsylvanian-Permian Naco Group limestone. The main shear zone strikes S48W. Granitic porphyry generally overlies Naco Limestone.
Workings include a shaft(s) and tunnels with a total length of 457.2 meters and a depth of 45.72 meters. Tunnels are 270 to 280 feet long. Shafts were 36, 55, 60 and 100 feet deep in 1920. About 25 tons of ore were produced in 1915.
References
Ref.: Weed, W.H. (1920) The Mines Handbook, Vol. XIV: 179.
Weed, W.H. (1922) The Mines Handbook, Vol. XV, International edition.
Weed, W.H. (1925) The Mines Handbook: Vol. XVI, International edition.
Keith, Stanton B. (1973), Arizona Bureau of Mines Bull. 187, Index of Mining Properties in Cochise County, Arizona: 91 (Table 4).
DeRuyter, V.D. (1979) Geology of the Granitic Peak stock area, Whetstone Mountains, Cochise County, Arizona: Tucson, University of Arizona, M.S. thesis, 121 p.: Figure 2.
McColly, R.A., and Scott, D.C. (1982) Mineral investigation of the Whetstone Roadless Area, Cochise and Pima Counties, Arizona: U.S. Bureau of Mines Mineral Land Assessment Open File Report MLA 129-82, 22 p.: 5.
Niemuth, N.J. & K.A. Phillips (1992), Copper Oxide Resources, Arizona Department of Mines & Mineral Resources Open File Report 92-10: 6 (Table 1).
Chatman, M.L. (1994) U.S. Bureau of Mines Open File Report Mineral Land Assessment (MLA) 2-94: 9-10.
Singer, D.A., Berger, V.I., and Moring, B.C. (2005): Porphyry Copper Deposits of the World: Database, Map, and Grade and Tonnage Models. USGS Open-File Report 05-1060.
Arizona Bureau of Mines files.
MRDS database Dep. ID file #10046272, MRDS ID #M241158; and, Dep. ID #10185685, MAS ID #0040030342.
Mineral List
2 entries listed. 2 valid minerals.
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