Questa prospect, Sunnybrook, Pardee District, Amador Co., California, USA
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Local rocks include Jurassic marine rocks, unit 1 (Western Sierra Nevada and Western Klamath Mountains).
Workings include underground openings with an overall depth of 18.29 meters and comprised of 1 shaft.
Mineral List
No entries listed.
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References
Eric, J.C. (1948), Tabulation of Copper Deposits in California in: Copper in California: California Division of Mines Bulletin 144: 216.
USGS (2005), Mineral Resources Data System (MRDS): U.S. Geological Survey, Reston, Virginia, loc. file ID #10095041 & 10260301.
U.S. Bureau of Mines, Minerals Availability System (MAS) file #0060050043.
USGS (2005), Mineral Resources Data System (MRDS): U.S. Geological Survey, Reston, Virginia, loc. file ID #10095041 & 10260301.
U.S. Bureau of Mines, Minerals Availability System (MAS) file #0060050043.