Latitude: 34°3'38"N
Longitude: 113°46'13"W
‡Ref.: Bancroft, H. (1911), Reconnaissance of the ore deposits in northern Yuma County, Arizona, USGS Bull. 451: 120-122.
Galbraith, F.W. & D.J. Brennan (1959), Minerals of Arizona: 44.
Harrer, C.M. (1964), Reconnaissance of Iron Resources in Arizona, US Bureau of Mines Information Circular 8236: 127.
Keith, Stanton B. (1978) State of Arizona Bureau of Geology and Mineral Technology, Geological Survey Branch Bull. 192, Index of Mining Properties in Yuma County, Arizona: 163 (Table 4).
Phillips, K.A. (1987), Arizona Industrial Minerals, 2nd. Edition, Arizona Department of Mines & Minerals Mineral Report 4, 185 pp.
Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd. ed.: 273.
Arizona Bureau of Mines file data.
MRDS database Dep. ID file #10027079, MRDS ID #M001949.
A former underground Cu-Au-Ag-Baryte-Fe-Fluorspar mine located in the SW¼ sec. 7, T8N, R14W, 16 miles NE of Bouse, on BLM-administered land. The location in ABMGT Bull 192 is too far north. Location is for prospects shown at the base of the "butte" as described in Bancroft, 1911.
Mineralization is spotty, oxidized copper minerals with strong hematite and quartz and local baryte, minor fluorite, and traces of sulfides in irregular fault veins or replacement deposits in sheared Precambrian gneiss and schist and granitic breccia, cut by pegmatite, aplite and amphibolite dikes. Some epidote and chlorite. The ore is in a silt-like formation a few feet thick along the contact between a gneiss schist complex and the overlying granite breccia.
Workings include a short inclined shaft sunk in the 1890's into the early 1900's, during prospecting, and a level connecting with an upraise to the surface. A small amount of ore was produced averaging about 16% Cu, 0.8 oz. Au/T, and 1.3 oz. Ag/T in 1907. No production record.
Mineral List
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