Latitude: 31°41'57"N
Longitude: 110°6'54"W
‡Ref.: Church, J.A. (1903) The Tombstone, Arizona, mining district: American Institute of Mining Engineers, Transactions: 33: 31-32.
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: 35, 44, 48, 100-101, Pl. III, XXV, XXVI.
Rasor, C.A. (1938), Bromargyrite from Tombstone, Arizona, American Mineralogist: 23: 157-159.
Keith, Stanton B. (1973), Arizona Bureau of Mines Bull. 187, Index of Mining Properties in Cochise County, Arizona: 79 (Table 4).
Marvin, R.F., Stern, T.W., Creasey, S.C., and Mehnert, H.H. (1973) Radiometric ages of igneous rocks from Pima, Santa Cruz, and Cochise Counties, southeastern Arizona: U.S. Geological Survey Bulletin 1379, 27 p.
Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd. ed.: 211.
Arizona Bureau of Mines files.
MRDS database Dep. ID file #10027139, MRDS ID #M002219.
A former medium-producing underground Ag-Au-Mn-Cu-Pb mine located in the West-central sec. 16 & sec. 17, T.20S., R.22E, 2½ miles S. of Tombstone, on private land. Owned at times, or in part, by the State of Maine Mining Co., Grand Central Mining Co. and the San Pedro Leasing Co. Operated by the Sierra Minerals Management (1974).
Mineralization is chlorargyrite and gold values in the oxide zone and weak sulfides in narrow stringers in crushed and altered rock in depth along fault fissure zones cutting sill-like Laramide Uncle Sam quartz latite porphyry and Cretaceous Bisbee Group beds. The Bisbee beds are surrounded by Uncle Sam Quartz Porphyry outcrop. The mine is near the contact.
Workings include a shaft(s). Some 30,000 tons of ore were produced during the 1880's and a few hundred tons intermittently since then. The dump is one of the main dumps leached by 71 Minerals in the 1970's.
Mineral List
3 entries listed. 2 valid minerals.
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