Latitude: 31°41'2"N
Longitude: 110°4'18"W
Ref.: Butler, B.S., Wilson, E.D., and Rasor, C.A. (1938b), Geology and ore deposits of the Tombstone district, Arizona, Arizona Bureau of Mines Bull. 143.
Needham, A.B. & W.R. Storms (1956), Investigation of Tombstone district manganese deposits, Cochise Co., Arizona, US Bureau of Mines Report of Investigation 5188: 30.
Farnham, L.L., Stewart, L.A., and Delong, C.W. (1961), Manganese Deposits of Eastern Arizona, US Bureau of Mines Information Circular 7990: 30-31.
Keith, Stanton B. (1973), Arizona Bureau of Mines Bull. 187, Index of Mining Properties in Cochise County, Arizona: 78.
U.S. Bureau of Mines file data.
Arizona Department of Mineral Resources map file.
Arizona Bureau of mines files.
MRDS database Dep. ID file #10027102, MRDS ID #M002069; and, Dep. ID #10137181, MAS ID #0040030009.
A former small surface and underground Mn-Ag mine located in the NW ΒΌ sec. 23, T20S., R.22E, 2 miles S of Tombstone, on private land. Produced 1921-1937. Operated at times, or in part, by Piedras de Sol Mining Co. and the Sidewheel Leasing Co.; McCabe; Brown; and, R.S. Buby.
Mineralization is a replacement deposit with short, irregular pod-like bunches, disconnected lenses, and pipe-like masses of argentiferous manganese ore along a roll and associated with fractures in Mississippian Escabrosa Limestone and Naco Limestone. The deposit is in the Ajax Hill Horst, south of the E-W-trending Prompter Fault. Mn-Ag mineralization in the district occurred after the main Fe-Pb-Zn mineralization phase.
Workings include a shaft, adit and surface openings. The main tunnel is approximately 750 feet long, with stopes and crosscuts. A few hundred tons of ore were produced in the 1880's and about 600 to 700 tons were produced during 1921-1923 and 1935-1937.
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