Latitude: 33°24'2"N
Longitude: 113°58'41"W
An underground Au mine located in NE¼ sec. 26, T1N, R17W, near Ocotillo, and near the west end of the Geyser lode, northern S.H. Mountains, on federal land.
Mineralization is an approximate 5 foot wide vein. Ore is brecciated biotite andesite cemented principally by calcite with some gold-bearing, iron-stained material. The gold is spotty, finely divided, free gold in fractures and breccia with gouge, calcite, and iron and manganese oxides, in andesitic volcanics.
Workings include a shallow shaft and drift.
References
McConnell, A.B. (1911) Review of mining in Arizona, 1910: Mining World [Chicago]: 34: 143-147.
Jones, E.L., Jr. (1915), A Reconnaissance in the Kofa Mountains, Arizona, USGS Bull. 620: 161.
Wilson, E.D. (1933) Geology and Mineral Deposits of Southern Yuma County, Arizona. Arizona Bureau of Mines Bulletin 134: 116-121.
Wilson, E.D., Cunningham, J.B., and Butler, G.M. (1934), Arizona Lode Gold Mines and Gold Mining (revised 1967), Arizona Bureau of Mines Bull. 137: 143.
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 file #10027210, MRDS ID #M002486; and, Dep. ID #10210899, MAS ID #0040270333.
Mineral List
4 entries listed. 2 valid minerals.
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