Mary Hurley occurrence (Hurley), Castle Rock Springs area, West Mayacmas District, Mayacmas Mts (Mayacamas Mts), Sonoma Co., California, USA
A Hg occurrence located 4.1 km (2.6 miles) SW of Castle Rock Springs.
Mineralization is hosted in serpentinite.
Local structures include a serpentine-sandstone contact.
ReferencesBradley, W.W. (1918), Quicksilver resources of California, with a section on metallurgy and ore dressing: California Mining Bureau. Bulletin 78, 389 pp.
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.
1 entry listed. 1 valid mineral.
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Locality Updated: Vilarinho da Castanheira, Carrazeda de Ansiães, Bragança District, PortugalFrom Rui Nunes, 19th Sep 2014 19:52:16