Latitude: 36°19'34"N
Longitude: 113°47'27"W
‡Ref.: Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd. ed.: 126, 146, 190, 201; Hill, J.M. (1914b), The Grand Gulch Mining Region, Mohave Co., AZ, USGS Bull.580: 39-58; Galbraith, F.W. (1947), AZ Bur. of Mines Bull. 153, Minerals of AZ: 16; Tenney, J.B. (1928), AZ Bur. of Mines Bull. 125, The Mineral Industries of AZ: 77; Butler, G.M. (1928), History of Mining in Mohave County Arizona: Arizona Mining Jour., Vol. XII(10&11), October 15 & 30, 1928; Hill, J.M. (1914), The Grand Gulch mining region, Mohave County, Arizona, USG Bull. 580-D: 49; AZ Dept. Min. Resources (ADMR) Grand Gulch Mine file; Galbraith, F.W. & Brennan (1959), Mineras of AZ: 44, 63, 70; Niemuth, N.J. & K.A. Phillips (1992), Copper Oxide Resources, AZ Dept. Mines & Min. Resources Open File Rept. 92-10: 11 (Table 1); Elsing, M.J. & R.E.S. Heineman (1936), Arizona metal production, AZ Bur. Mines Bull. 140; USGS 7.5 minute Grand Gulch Bench topo. map; MRDS files #10102539 & 10234656.
A former surface and underground Cu-Pb-Zn-V-Ag-Au mine located in the SE¼ sec. 21, T.34N., R.14W. (Grand Glc Bench 7.5 minute topo map). Operated 1890 - 1919. Closed 1966.
Mineralization is lenses and pods in annular cross section in Lawler Peak granite. Ore includes secondary copper minerals. Ore concentration process was supergene fluids.
Ore is in the outer fringe of a cylindrical plug of brecciated limestone (collapse structure) filling an apparent sink hole in Carboniferous limestone.
Mineral List
8 entries listed. 7 valid minerals.
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