Latitude: 31°26'23"N
Longitude: 109°55'18"W
‡Ref.: Ransome (1904): 17.
Jones, E.L., Jr. & F.L. Ransome (1920), Deposits of manganese ore in Arizona, USGS Bull. 710-D: 106.
Wilson, E.D. & G.M. Butler (1930), Manganese ore deposits in Arizona, Arizona Bureau of Mines Bull. 127: 38-39.
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: 28-29.
Farnham, L.L., Stewart, L.A., and Delong, C.W. (1961), Manganese Deposits of Eastern Arizona, US Bureau of Mines Information Circular 7990: 14-15.
Keith, Stanton B. (1973), Arizona Bureau of Mines Bull. 187, Index of Mining Properties in Cochise County, Arizona: 87 (Table 4).
MRDS database Dep. ID file #10104073, MRDS ID #M241108.
A former medium-output surface and underground Pb-Au-Mn-Cu-Ag mine located in the SE ¼ sec. 8, T.23S., R.24E, on the S edge of Bisbee, on private land. Owned by the Copper Queen Division of the Phelps Dodge Corp.
Mineralization is an eastward continuation of the deposits on the Twilight claim. The ore zone is 1.22 meters thick. Irregular replacement bodies of lead carbonate, some copper carbonates and masses of hard manganese oxides in Devonian Martin Limestone around an auriferous silica breccia core formed by leaching. In part an eastern continuation of the Twilight claim deposit and in part lies a little South of that zone of deposits. An associated rock unit is the Sacramento Hill Stock.
Local structures include common pre-mineralization faulting and tilting. Main fault directions are N10W to N40E and S30W to N50W, pre-mineralization.
Workings include several small surface and underground openings. Considerable lead and some copper ore was mined in early years and about 350 tons of manganese ore were produced in WWI (to Mar 1, 1918). Production statistics were included under the Copper Queen Mine in USBM-ABGMT files.
Mineral List
6 entries listed. 5 valid minerals.
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