Cloverdale Mine, Black Oaks, West Mayacmas District, Mayacmas Mts (Mayacamas Mts), Sonoma Co., California, USA

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A former Hg mine located in sec. 4, T11N, R9W, MDM, 3.3 km (2.0 miles) W of Black Oaks.

Mineralization is ore which occurs along fractures in chert (rocks of the Franciscan Complex).

Production data are found in: U.S. Bureau of Mines file data.

References

Becker, George F. (1888b), Geology of the quicksilver deposits of the Pacific slope: USGS Monograph 13, atlas: 377.

Bradley, W.W. (1918), Quicksilver resources of California, with a section on metallurgy and ore dressing: California Mining Bureau. Bulletin 78, 389 pp.

Ransome, Alfred Leslie & J.L. Kellogg (1939), Quicksilver resources of California: California Division Mines Report 35: 353-486.

Ross, Clyde Polhemus (1940b), Quicksilver deposits of the Mayacmas and Sulphur bank districts, California: USGS Bulletin 922-L: 330.

Bailey, Edgar H. (1946), Quicksilver deposits of the western Mayacmas district, Sonoma County, California: California Division Mines Report 42: 199-230.

Honke, Martin T., Jr. & Wm. E. Ver Planck, Jr. (1950), Mines and mineral resources of Sonoma County, California: California Journal of Mines and Geology: 46(1): 98-105.

Holmes, Jr., G.W. (1965), Mercury in California: in: U.S. Bureau of Mines Information Circular 8252.

Davis, Fenelon Francis and E.H. Bailey (1966) Mercury. California Division Mines and Geology Bulletin 191: 247-254.

Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 111 (map 3-7), 124.

Bailey, E.H., USGS, personal files.

Mineral List

Cinnabar

Mercury

Quartz var: Chert

3 entries listed. 2 valid minerals.