Latitude: 33°23'16"N
Longitude: 114°3'46"W
A surface and underground Au prospect located on 2 unpatented claims in North-central sec. 31, and the center S½ sec. 30, T1N, R17W (protracted), about ¾ of a mile west of Tunnel Springs, on federal land. Owned by Messrs. Beeler, Chapin & J.V. Smale (1933).
Mineralization is spotty, finely divided, free gold in fractures and breccia with gouge, calcite, and iron and manganese oxides, in andesitic volcanics.
A mass of dark gray andesite porphyry, intrusive into light-colored tuffs and brown andesites, outcrops with a width of 1/8 to ½ mile and a considerable eastward extent.
Workings include several tunnels, winzes, shafts (1 at 58 feet deep), and shallow cuts.
References
Wilson, E.D. (1933) Geology and Mineral Deposits of Southern Yuma County, Arizona. Arizona Bureau of Mines Bulletin 134: 119.
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: 116 (Table 4).
Arizona Bureau of Mines file data.
MRDS database Dep. ID #10113499, MAS ID #0040270395.
Mineral List
2 entries listed. 2 valid minerals.
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