Latitude: 32°50'29"N
Longitude: 110°17'21"W
A former underground Ag-Cu mine located on 5 unpatented claims (1925), in sec. 10, T7S, R20E, 2.4 miles E of Klondyke. Owned and operated by Mr. James Quinn (1925).
Mineralization is a tabular ore body hosted in Buford Canyon Formation Mesozoic-Cenozoic Andesite or basalt flows & flow breccia. The ore zone strikes E-W and dips vertically. Other veins strike N10-50W, and dip 55-80NE. Ore control was the Grand Reef and associated faults. The mine is located in blue-green, fine-grained amygdaloidal and scoriaceous andesite country rock fractured and cut by veins. Fractures filled with epidote.
Area structures include the Grand Reef Fault and block faulting trending NNW. Regional trends: minor Pre-Cretaceous E- and NE-trending folds and major Post-Cretaceous NNW-trending faults.
Workings are 21.34 meters in length and 9.14 meters in depth. Ross (1925) states that Quinn had shipped 3 carloads of ore in 12 years of operation. USBM-ABGMT file data states 1 year of production reported in 1924 of 27 tons of ore.
References
Ross, Clyde P. (1925) Geology and ore deposits of the Aravaipa and Stanley mining districts, Graham County, Arizona, USGS Bull. 763: 86.
Galbraith, F.W. (1947), Minerals of Arizona, Arizona Bureau of Mines Bull. 153: 8.
Simons, F.S. (1964) Geology of the Klondyke Quadrangle Graham and Pinal Counties. USGS Professional Paper 461: 148.
Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd. ed.: 372.
USGS Klondyke Quadrangle map.
Arizona Department of Mineral Resources U file.
MRDS database Dep. ID #10039487, MRDS ID #M050155; and Dep. ID #10209552, MAS ID #0040090188.
Mineral List
4 entries listed. 4 valid minerals.
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