Latitude: 31°25'38"N
Longitude: 109°54'11"W
‡Ref.: Ransome, F.L. (1904a), The geology and ore deposits of the Bisbee quadrangle, Arizona: U.S. Geological Survey Professional Paper 21, 168 p., 3 sheets, scales 1:12,000 and 1:62,500: 112, 116.
Ransome, F.L. (1904b) Bisbee Folio, Arizona: U.S. Geological Survey, Geologic Atlas of the United States, Folio no. 112, 17 p. [oversized], 10 sheets, scales 1:12,000 and 1:62,500 [reprinted 1914, with supplement, 19 p., oversized, 8 sheets, scales 1:12,000 and 1:62,500].
Bonillas, Y.S., Tenny, and Feuchere (1917), Geology of the Warren mining district: A.I.M.E. Transactions, Vol. 55: 325-326, 328, 337, 339 & 350.
Bryant, D.G. & R.A. Metz (1966), Geology and ore deposits of the Warren mining district, in Titley, S.R. and Hicks, C.L., eds., Geology of the porphyry copper deposits, southwestern North America: 189-203, University of Arizona Press: 200-201.
Keith, Stanton B. (1973), Arizona Bureau of Mines Bull. 187, Index of Mining Properties in Cochise County, AZ: 88 (Table 4).
Graeme, R. (1981), Famous mineral localities: Bisbee, Arizona, Mineralogical Record: 24: 421-436.
Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd. ed.: 211.
MRDS database Dep. ID file #10027013, MRDS ID #M001717; and, Dep. ID #10209909, MAS ID #0040030644.
A former laarge-output underground Cu-Pb-Zn-Au-Ag mine located in the NE¼SE¼ sec. 16, T.23S., R.24E, on private land. A major producer. Owned and operated by the Phelps Dodge Corp.
Mineralization is largely unoxidized and unenriched copper, and minor lead-zinc ores in irregular replacement bodies in Devonian Martin Limestone, Escabrosa Limestone, and Naco Limestone that is badly fractured and faulted and intruded by small porphyry dikes. The ore bodies are near dikes and sills which contributed to ore control along with faulting and associated brecciation. Ore concentration was bornite replacing pyrite. Alteration was gossan with Mn and Fe oxides induced by hydrothermal metamorphism. An associated rock unit is the Sacramento Hill Stock. Gossans found several hundred feet below the water level.
Local structures include common pre-mineralization faulting and tilting. Main fault directions are N10W to N40E and S30W to N50W.
Workings include a shaft to 341.38 meters deep. 9 main levels run off the shaft, drifts run N16E and S16W. The longest drift is about 650 feet. At present the area of the mine is covered by a tailings dump.
This mine was a major producer of several hundred thousand tons of ore.
The production was included under the Copper Queen Branch for Phelps Dodge in USBM-ABGMT files.
Mineral List
8 entries listed. 8 valid minerals.
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