Latitude: 32°11'49"N
Longitude: 109°36'10"W
‡Ref.: The Resources of Arizona - A Manual of Reliable Information Concerning the Territory, compiled by Patrick Hamilton (1881), Scottsdale, AZ: 40.
Wilson, E.D., Cunningham, J.B., and Butler, G.M. (1934), Arizona Lode Gold Mines and Gold Mining (revised 1967), Arizona Bureau of Mines Bull. 137: 119.
Elsing, M.J. and Heineman, E.S. (1936) Arizona Metal Production, Arizona Bureau of Mines Bulletin 140: 91.
Shields, J.C., II (1940) Geology and ore deposits of the Dives and Gold Ridge Groups, Dos Cabezas, Arizona: Tucson, University of Arizona, M.S. thesis, 67 p.
Cooper, J.R. (1960) Reconnaissance map of the Willcox, Fisher Hills, Cochise, and Dos Cabezas quadrangles, Cochise and Graham Counties, Arizona: U.S. Geological Survey Mineral Investigations Field Studies Map MF-231, 1 sheet, scale 1:62,500.
Keith, Stanton B. (1973), Arizona Bureau of Geology & Mineral Technology, Geol. Sur. Branch Bull. 187, Index of Mining Properties in Cochise County, Arizona: 61 (Table 4).
Niemuth, N.J. & K.A. Phillips (1992), Copper Oxide Resources, Arizona Department of Mines & Mineral Resources Open File Report 92-10: 4 (Table 1).
U.S. Bureau of Mines - Arizona Bureau of Geology and Mineral Technology file data.
MRDS database Dep. ID file #10014832, MRDS ID #D011808; and, Dep. ID #10027113, MRDS ID #M002135; and, Dep. ID #10209839, MAS ID #0040030145.
A former small underground Au-Pb-Ag-Cu mine located in the SE ¼ sec. 21 and the SW ¼ sec. 20, T.14S., R.27E. (Dos Cabezas 7.5 minute topo map), immediately East of the Dives group and about 2½ miles North of Dos Cabezas village. Discovered and started in 1878. Reopened in 1915-1917 timeframe. Ultimately closed 1935. Owned at times, or in part, by Mrs. J.H. Huntsman of Tucson, and the Dos Cabezas Gold Ridge Mining Co. (1917- ); and, the Chicago and Arizona Copper Co.. William Dorsey operated the mine with 12 to 15 sub-lessees (1933-1934). NOTE: Alternate coordinates provided: 31.93028N, 109.59028W (Latitude varies greatly!).
Mineralization is scattered bunches and disseminations of auriferous galena, pyrite and chalcopyrite, plus oxidized copper minerals, in bands of coarse-textured quartz along a major fault and parallel shears separating blocks of Cretaceous graphitic shale and pyrometamorphosed Paleozoic (Bisbee group)limestone to the north from Precambrian granitic rocks (Rapakivi Quartz Monzonite) to the south. The Cretaceous beds strike E-W and dip 60 or more degrees N.
Workings include numerous shaft and adit openings. Some 1,000 or more tons of ore were produced intermittently in the 1880's and 1890's and from 1915 to 1936.
Mineral List
4 entries listed. 2 valid minerals.
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