Golden Star group (Red Bluff prospects; American Boy prospect; West Point prospect; Denver City group), San Francisco District, Oatman District (San Francisco District; Union Pass District), Black Mts, Mohave Co., Arizona, USA
Ref.: Schrader, F.C. (1908), The mineral deposits of the Cerbat Range, Black Mountains, and Grand Wash Cliffs, Mohave County, Arizona, in Hayes, C.W., and W. Lindgren, Contributions to Economic Geology 1907; USGS Bull. 340: 78; Schrader, F.C. (1909), Mineral deposits of the Cerbat Range, Black Mountains, and the Grand Wash Cliffs, Mohave County, Arizona: USGS Bull. 397: 173-175; Niemuth, N.J. (1987), Arizona Mineral Development 1984-1986, AZ Dept. Mines & Min. Resources Directory 29; USGS 7.5 minute Oatman tpo. map; Householder map, AZ Dept. Min. Resources (ADMR); AZ Dept. Min. Resources (ADMR) Mohave card file; Mohave custom mill proj. card file; MRDS files #10027925 & 10186121.
A Au prospect with underground workings.
Mineralization is a lenticular orebody in a vein deposit. The best ore values occur in oxidized streaks, mostly on the hanging wall, but also on the foot-wall, usually associated with or near the granite porphyry.
A NNW to WNW-trending vein and fault system occurs in Tertiary volcanic rocks. A N30ºW-trending fault ledge cuts the ore vein to the east. The fault, Meals Ledge, is a vein of low grade ore.
| Gold|| Hematite|
2 entries listed. 2 valid minerals.
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