A former lode Au (minor)-Ag-Pb-Cu-W (trace) mine located in sec. 28, T16N, R9E (MD), about 2½ miles SE of Nevada City and about 5 miles E of Grass Valley. Owned by the Lava Cap Gold Mining Corporation.
Mineralization is hosted in the Calaveras Complex (argillite). There are two main ore zones: 1 under lava capping of Banner 100 feet depth; other part of the Central Mine.
References:
Lindgren, Waldemar (1896a), The gold-quartz veins of Nevada City and Grass Valley districts, California: USGS 17th. Ann. Report, part 2: 1-262; …(abstract): A.I.M.E. Transactions: 14: 667-668 (1897-98); …(abstract): Zeitschr. Prakt. Geologie, Jahrg. 7: 210-213 (1899).
Chandler, J.W. (1941), Mining Methods and Costs of the Lava Cap Gold Mining Corporation, Nevada City, California: California Journal of Mines and Geology: 37(3): 409-412.
Chandler, J.W. (1941), Mining methods and costs of the Lava Cap Gold Mining Corporation: US Bureau Mines Information Circular 7164: 4.
Logan, C.A. (1934), Review of Gold Mining in East-Central California: California Journal of Mines and Geology: 31(1): 16-17.
Eric, J.C. (1948), Tabulation of Copper Deposits in California in Copper in California: California Division of Mines Bull. 144: 278.
Goodwin, Joseph Grant (1957) Lead and zinc in California. California Journal of Mines and Geology: 53(3&4): 580.
Clark, Wm. B. (1970a) Gold districts of California: California Division Mines & Geology Bulletin 193.
Pemberton, H. Earl (1983), Minerals of California: 27 (map 2-15, 108, 336).
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Map Reference: 39°13'39"N , 120°58'9"W
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Mineral List:4 entries listed. 4 valid minerals.
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