Latitude: 35°55'6"N
Longitude: 114°8'18"W
‡Ref.: Theodore, T.G., et al (1987), USGS PP 1361: 143-144 (Table 11); USGS Kingman map; USGS 15 minute Garnet Mountain topo. map; AZ Dept. Min. Resources (ADMR) files; Barrett, D.C. & C. Collins (1953), Preliminary Reconnaissance Report, US Atomic Energy Comm. USAEL, RME 155: 566; MRDS file #10283749.
A former underground Pb-Cu-U-Au mine located in the NW ¼ sec. 8, T.29N., R.17W.
Mineralization is a prominent quartz vein, 1 to 2 meters thick. The vein strikes N.70ºW. and dips 20-25ºSW. It is offset in a reverse sense approximately 1 meter by an intensely clay-altered shear zone striking E-W and dipping 40ºN. Iron-bearing calcite occurs in coarsely crystalline, irregular masses which are markedly tabular and form lenses striking N.20ºW. and dipping 30ºSW. These lenticular and irregularly shaped calcite pods definately are oriented obliquely to the plane of the vein and may represent replacement of earlier quartz along open gash fractures. The bulk of this carbonate occurs along the central zone of the vein, but it is sporadically distributed throughout the length of the examined vein. A poorly-developed alteration zone in the vein's walls seems to include albite and pyrite+galena and a little chalcopyrite. A senond oblique slip fault offsets the vein 1 meter West of the incline. Slickensides plunge N.65ºE. at 25º. Crystals of feldspar (albite ?), quartz, and calcite commonly reach 10 to 15 cm across in optically continuous, irregular, intergrown masses. Galena can be seen to vein or crosscut calcite, feldspar, and quartz - probably the galena, pyrite, and traces of chalcopyrite are somewhat later than the coarse crystalline material although all are probably related to transition pegmatite-vein processes.
Mineral List
6 entries listed. 4 valid minerals.
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