Latitude: 31°41'14"N
Longitude: 110°5'22"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: 48.
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: 37.
Keith, Stanton B. (1973), Arizona Bureau of Mines Bull. 187, Index of Mining Properties in Cochise County, Arizona: 78 (Table 4).
Arizona Bureau of mines files.
MRDS database Dep. ID file #10046252, MRDS ID #M241121; and, Dep. ID #10136712, MAS ID #0040030677.
A former small underground Mn-Ag-Cu-Au-Pb mine located in the SW ¼ sec. 15, T.20S., R.22E, approximately 1½ miles SW of Tombstone, on private land.
Mineralization is a replacement deposit of manganiferous silver ore in irregular pods and lenses along the Prompter Fault system where 'northeast' fissures cut Pennsylvanian-Permian Naco Group limestone.
Local structures include complex faulting at the west end of the E-W-trending Prompter Fault System.
Workings include a shaft and adit. A few hundred tons of ore were produced in the 1880's and about 530 tons in 1920-1924.
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