A former Hg mine located in secs. 23, 25 & 26, T12N, R5W, MDM, at the northern tip of the Knoxville District. This property covers an area a little over 1 mile long and several hundred yards wide.
Mineralization is hosted in rocks of the Franciscan Complex (serpentinite). The mineralized zone lies on a NW-trending fault that is the contact between serpentine on the SW side and sandstone and shale of the Great Valley sequence (Knoxville) on the NE side.
Production data are found in: U.S. Bureau of Mines file data.
References:
Bradley, W.W. (1918), Quicksilver resources of California, with a section on metallurgy and ore dressing: California Mining Bureau. Bulletin 78, 389 pp.
Averitt, Paul (1945), Quicksilver deposits of the Knoxville district, Napa, Yolo, and Lake Counties, California: California Division Mines Report 42: 65-90.
O'Brien, J.C. (1950), Mines and Mineral Resources of Yolo County, California, California Journal of Mines and Geology: 46: 432-434.
Holmes, G.H. (1965) Mercury in California. US Bureau of Mines Information Circular 8252.
Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 165, 255.
Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 75, 111 (map 3-7), 124-125, 343.
Bailey, E.H., USGS, personal files.
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Map Reference: 38°51'55"N , 122°22'14"W
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Mineral List:8 entries listed. 7 valid minerals.
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