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Index group, Mad Mule Mountain, French Gulch District, Klamath Mts, Shasta Co., California, USA
Latitude: 40°39'33"N
Longitude: 122°35'10"W
Longitude: 122°35'10"W
Mineralization is hosted in andesite. The ore body is tabular, strikes E and dips N at a thickness of 1.83 meters. The deposit consists of a series of parallel veins 2 inches to 6 feet thick. They occur in an alaskite porphyry dike. An associated rock is granite. Local rocks include Paleozoic metavolcanic rocks, unit 1 (Eastern Klamath Mountains).
Workings include underground openings comprised of 2 adits at 140 and 150 feet long. There are numerous prospect holes and opencuts.
Mineral List
| Gold |
1 entry listed. 1 valid mineral.
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References
Tucker, W. Burling (1923), Redding Field Division, California Journal of Mines and Geology, California Mining Bureau. (Report 19): 19: 57.
Logan, Clarence August (1926), El Dorado, Shasta and Trinity Counties: California Journal of Mines and Geology, California Mining Bureau. (Report 22): 22: 174-175.
Lydon, Philip Andrew and O’Brien, J.C. (1974) Mines and mineral resources of Shasta County, California. California Division of Mines and Geology County Report 6, 154 pp.
USGS (2005), Mineral Resources Data System (MRDS): U.S. Geological Survey, Reston, Virginia, loc. file ID #10077578 & 10116983.
U.S. Bureau of Mines, Minerals Availability System (MAS) file ID #0060890321.
Logan, Clarence August (1926), El Dorado, Shasta and Trinity Counties: California Journal of Mines and Geology, California Mining Bureau. (Report 22): 22: 174-175.
Lydon, Philip Andrew and O’Brien, J.C. (1974) Mines and mineral resources of Shasta County, California. California Division of Mines and Geology County Report 6, 154 pp.
USGS (2005), Mineral Resources Data System (MRDS): U.S. Geological Survey, Reston, Virginia, loc. file ID #10077578 & 10116983.
U.S. Bureau of Mines, Minerals Availability System (MAS) file ID #0060890321.
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