Denton Mine group (A-1 claims; A-1 group; Paradise and SPW claims; Muller Manganese Mine), Ash Peak District, Graham Co., Arizona, USA
Latitude: 32°43'50"N
Longitude: 109°14'35"W
A former surface and underground Mn mine located in the W½ sec. 13, E½ sec. 14, and secs. 23 & 24, T8S, R30E, straddling the Greenlee County line, 7½ miles W of Duncan, on BLM-administered land. This property is comprised of 4 unpatented claims (2 claims of the A-1 group; and 2 unpatented claims of Paradise and SPW, located on the southern and western sides of the A-1 group. The A-1 claims of Paradise and SPW are located in secs. 23 and 24; A-1 group claims are located in secs. 13 and 14. Geodetic and UTM coordinates describe shaft and prospect in the SE¼ of sec. 14. Discovered in 1952 by John Pospohola and A.A. Dankworth. NOTE: Property extends into Greenlee County. Owned by Raymond, G.T. Godfrey, and John Pospohola (1961). Operated by Raymond and G.T. Godfrey (Ace Building and Roofing Supplies). Past operators included Chris G. Muller (1954) and the Ash Peak Manganese Co. These claims became part of the Denton Mines property in the late 1950'S.
Mineralization is an ore body in seams and bunches that is 60.96 meters long, 12.19 meters wide, 0.03 meters thick, striking NW and dipping SW. Associated with Tertiary volcanic flows (aphanitic volcanic rock). Ore control was a fracture zone striking NW and dipping steeply SW. Ore concentration is mineralization along fracture zones and concentration in seams and bunches. Mineralized section of the fracture zone ranges from 6 to 8 feet wide and is traceable on the surface for about 50 feet along the strike. Other small and isolated spots of low-grade ore are exposed for 200 feet or more to the NW along the projected trend of fracturing. Maximum thickness of stringers is 1 inch; maximum width of seams reaches 40 feet on the SPW claim. Stringers of ore are closely spaced in some parts of the fracture zone and are separated by several feet of barren country rock in other parts of the zone. Surface oxidation present. The ores surround unmineralized fragments of wall rock. An associated rock unit is rhyolite.
Area structures are steep northerly-trending zones of shearing and brecciation in volcanic rocks.
Workings are 30.48 meters long and 3.66 meters deep and are comprised of bulldozer stripping and a small shaft. No ore has been produced from the A-1 claims of Paradise and SPW. Known ore production is from the A-1 group of claims.
References
Farnham, L.L., Stewart, L.A., and Delong, C.W. (1961), Manganese Deposits of Eastern Arizona, US Bureau of Mines Information Circular 7990: 99-101, 106.
U.S. Bureau of Mines - A-1 group (Graham Co.).
Arizona Department of Mineral Resources files, Muller Manganese, Denton Mine (Sanders; Thurston & Hardy).
USGS Duncan Quadrangle map.
Arizona Department of Mineral Resources Muller Manganese file.
MRDS database Dep. ID #10026950, MRDS ID #M001258; and Dep. ID. #10233762, MAS ID #0040090031.
Mineral List
2 entries listed. 1 valid mineral.
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