Latitude: 33°52'54"N
Longitude: 113°38'39"W
‡Ref.: 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: 149 (Table 4).
Arizona Bureau of Mines file data.
Yale Peabody GNIS database (NOTE: this database is derived from USGS 1:24,000 topographic map data).
MRDS database Dep. ID fle #10137396, MAS ID #0040120426; and, Dep. ID #10137396, MAS ID #0040120426.
A former underground Cu-Au-Ag-Fe mine located in the NW¼ sec. 8, T6N, R13W (protracted), on land of unknown status. Owned and operated at times, or in part, by Shapp & Whitehouse; Cobrita Mines Co.; McCauley; and the Sheba Mining Co.
Mineralization is spotty copper sulfides and secondary copper minerals in irregular quartz-siderite veins in a strong NW-striking fissure zone cutting Precambrian schist intruded by diorite, andesite, and rhyolite dikes.
Workings included a shaft(s) and tunnels. Prospected and worked intermittently from the early 1900's through 1942, producing some 100 tons of ore averaging about 4% Cu, 0.2 oz. Au/T, and 0.4 oz. Ag/T.
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