‡Ref.: Bonillas, Y.S., Tenny, and Feuchere (1917), Geology of the Warren mining district: A.I.M.E. Transactions, Vol. 55: 329, 336.
Trischka, C. (1938), Bisbee district, in Some Arizona ore deposits, Arizona Bureau of Mines Bull. 145: 37.
Hogue, W.G. & E.D. Wilson (1950), Bisbee or Warren district, in Arizona zinc and lead deposits, Arizona Bureau of Mines Bull. 156: 28.
Schwartz, G.M. (1956), Argillic alteration and ore deposits, Economic Geology: 51: 407-414.
Galbraith, F.W. & D.J. Brennan (1959), Minerals of Arizona: 37, 108.
Keith, Stanton B. (1973), Arizona Bureau of Mines Bull. 187, Index of Mining Properties in Cochise County, AZ: 89 (Table 4).
Niemuth, N.J. & K.A. Phillips (1992), Copper Oxide Resources, Arizona Department of Mines & Mineral Resources Open File Report 92-10: 6 (Table 1).
Graeme, R. (1993), Bisbee revisited, Mineralogical Record: 24: 421-436.
Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 130, 131, 134, 175, 183, 196, 213, 217, 298, 308, 321, 332, 351, 376, 398.
Grant, Raymond W., Richard A. Bideaux & Sidney A. Williams (2006), Minerals Added to the Arizona List 1995 to 2005: 2.
MRDS database Dep. ID file #10046236, MRDS ID #M241100; and, Dep. ID #10185320, MAS ID #0040030328.
A former medium output underground Cu-Pb-Zn-Au-Ag mine located in the SW ¼ sec. 9, T.23S., R.24E. (Bisbee 7.5 minute topo map), on the S edge of Bisbee, on private land. Owned by the Phelps Dodge Corp.
Mineralization is mostly oxidized and enriched copper, lead and zinc ores in irregular replacement bodies in Devonian Martin Limestone along the Czar fault in association with porphyry dikes and sills and clustered around a leached silica core. Ore control was nearby dikes and sills, and faulting and associated brecciation. Ore concentration was bornite replacing pyrite. In the silica, gold was both mechanically and chemically concentrated during leaching. Alteration was gossan with Mn and Fe oxides induced by hydrothermal metamorphism.
Local structures include common pre-mineralization faulting and tilting. Main fault directions are N10W to N40E and S30W to N50W.
Workings are underground openings. Several hundred thousand tons of copper and lead carbonate ore were produced in the late 1800's and in the 1900's. Production statistics were included under the Copper Queen Branch of Phelps Dodge in USBM-ABGMT file data.
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Map Reference: 31°26'23"N , 109°54'56"W
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