Mount Gaines Mine (Frenchman Mine; Bearfield Mine; Barfield Mine; Mount Gaines; Mount Gaines Gold Mine), Hornitos, West Belt, Mariposa Co., California, USA
Latitude: 37°32'29"N
Longitude: 120°10'20"W
A former Au-Pb-Ag-Cu-Zn mine located in secs. 35 & 36, T4S, R16E, MDM, 5 miles NE of Hornitos.
Mineralization is hosted in the Amador Group (pyroxenite, andesite, greenstone, metasedimentary rock and, hornfels).
Production data are found in: Bowen & Gray (1957).
References
Aubury, Lewis E. (1904), Register of Mines and Minerals, Mariposa County, California, California State Mining Bureau: 12.
Castello, W.O. (1921), Mines and Mineral Resource of Mariposa County: Seventeenth Report of the State Mineralogist, California Mining Bureau. Report 17: 86-143.
Laizure, Clyde McK (1928), Mariposa, Madera Counties: California Mining Bureau. Report 24: 103-104.
Julihn, C.E. & F.W. Horton (1940).
Bowen, O.E., Jr. & R.A. Crippen (1948), Geologic maps and notes along Highway 49: California Division Mines and Geol. Bulletin 141: 38.
Bowen, O.E., Jr. & C.H. Gray, Jr. (1957), Mines and mineral deposits of Mariposa County, California: California Journal of Mines and Geology: 53(1&2): 134-139, 288.
Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 94, 103, 107, 140.
Mineral List
9 entries listed. 9 valid minerals.
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