Latitude: 38°44'34"N
Longitude: 122°42'5"W
A former Hg mine located in sec. 1, T10N, R8W, MDM, 3.1 km (1.9 miles) SSE of Castle Rock Springs and 4 miles NW of the Great Western Mine.
Disseminations of cinnabar and pyrite in a ledge of silica-carbonate altered serpentinite, occurring in a wide fault zone that separates serpentinite from sandstone.
References
Yates, Robert G. & Lowell S. Hilpert (1946), Quicksilver deposits of eastern Mayacmas district, Lake and Napa Counties, California: California Journal of Mines and Geology, California Division of Mines (Report 42): 42: 231-286.
Averill, Charles V. (1947), Mines and mineral resources of Lake County: California Journal of Mines and Geology, California Division Mines (Report 43): 43: 15-40.
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.
Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 342.
Rytuba, J.J., Hothem, R.L., May, J.T., Kim, C.S., Lawler, D., Goldstein, D., and Brussee, B.E. (2008): Environmental Impact of the Helen, Research, and Chicago Mercury Mines on Water, Sediment, and Biota in the Upper Dry Creek Watershed, Lake County, California. USGS Open-File Report 08-1382.
Mineral List
3 entries listed. 3 valid minerals.
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