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.
|
|
Map Reference: 33°24'2"N , 113°58'41"W
This locality information is for reference purposes only. You should never attempt to
visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders
for access and that you are aware of all safety precautions necessary.
|
Mineral List:4 entries listed. 2 valid minerals.
The above list contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database!
