Latitude: 31°42'28"N
Longitude: 110°4'14"W
‡Ref.: The Resources of Arizona - A Manual of Reliable Information Concerning the Territory, compiled by Patrick Hamilton (1881), Prescott, AZ: 37.
Blake, W.P. (1882) The geology and veins of Tombstone, Arizona: American Institute of Mining Engineers, Transactions: 10: 334-345: 342.
Church, J.A. (1903) The Tombstone, Arizona, mining district: American Institute of Mining Engineers, Transactions: 33: 12.
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: 43, 84, 92-95.
Rasor, C.A. (1939), Manganese mineralization at Tombstone, Arizona, Economic Geology: 34: 790-803.
Galbraith, F.W. (1947), Minerals of Arizona, Arizona Bureau of Mines Bull. 153: 18.
Keith, Stanton B. (1973), Arizona Bureau of Mines Bull. 187, Index of Mining Properties in Cochise County, Arizona: 79 (Table 4).
Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd. ed.: 377.
Arizona Bureau of mines files.
MRDS database Dep. ID file #10102438, MRDS ID #M002071; and, Dep. ID #10184472, MAS ID #0040030686.
A former small underground Ag-Pb-Zn-Au-Cu mine located in the SE ¼ sec. 11, T.20S., R.22E, ½ mile S of Tombstone, on private land. Owned at times, or in part, by the Contention Mining Co., the Western Mining Co., the Tombstone Consolidated Mines Co., Bunker Hill Mines Co., and the Tombstone Development Co.
Mineralization is oxidized argentiferous lead and zinc ores and deeper sulfides in irregular replacement orebodies along a broad anticlinial fold in Cretaceous Bisbee Group Limestone and intersecting 'northeast' fissures.
Local structures include the Tombstone Basin, tilting to the NW after mineralization; NNW granodiorite dike is the mine area.
Workings include the main shaft at 600 feet deep (1881). Workings ultimately were 914.4 meters in length (length of workings estimated) and 160.02 meters deep. One of the original shafts of the Tombstone District. Some 20,000 tons of ore were produced, mainly in the early 1900's. Workings adjoin the Contention and Head Center shafts, about 50 yards SE. Production statistics were included under the Tombstone group in ABGMT-USBM files.
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