Latitude: 33°25'36"N
Longitude: 110°45'15"W
A former underground Cu-Ag mine located in the NW¼SW¼ sec. 14, T1N, R15+E, on private land.
The northeastern extension of the Buckeye vein into the property of the Superior and Boston Copper Co. is known as the Black Oxide vein. It has been explored by an adit known as the Black Oxide tunnel, which was driven southwestward from the east side of Buckeye Mountain. The adit was begun in the diabase sill on the projected strike of the vein, which appears to be almost vertical where it crops out near the top of the mountain 500 feet west of the portal. Actually the vein dips about 80º SE. The adit intersects the vein 660 feet from the portal, and continues for nearly 400 feet on the side side of the vein and approximately parallel to it. NOTE: Additional names which apply to this locality are: Black Oxide Patented claim MS 2297.
Ore was found in the interval from 90 to 250 feet west of the intersection of the adit and the vein. A raise 110 feet high and a winze 109 feet deep were driven in the ore above and below the adit level.
References
Sanders, J. (1911), Hematite in veins of Globe district, Engineering and Mining Journal: 92: 1191-1192.
Ransome, F.L. (1903) Geology of the Globe Copper District, Arizona, USGS PP 12: 153.
Peterson, N.P. (1962), Geology and ore deposits of the Globe-Miami district, Arizona, USGS PP 342: 112-114.
Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd. ed.: 245.
Arizona Department of Mineral Resources Black Oxide file.
U.S. Bureau of Land Management Mining District Sheet 171.
MRDS database Dep. ID #10161540, MAS ID #0040070185.
Mineral List
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