The West Mayacmas District Report is a chromium and mercury mine located in Sonoma county, California.
About the MRDS Data:
All mine locations were obtained from the USGS Mineral Resources Data System. The locations and other information in this database have not been verified for accuracy. It should be assumed that all mines are on private property.
Name: West Mayacmas District Report
Commodity: Chromium, Mercury
Lat, Long: 38.2, -122.60000
Map: View on Google Maps
MRDS mine locations are often very general, and in some cases are incorrect. Some mine remains have been covered or removed by modern industrial activity or by development of things like housing. The satellite view offers a quick glimpse as to whether the MRDS location corresponds to visible mine remains.
West Mayacmas District Report MRDS details
Primary: West Mayacmas District Report
District: WEST MAYACMAS DISTRICT
Record Type: District
Operation Category: Producer
Deposit Type: STOCKWORK, VEINS, DISSEMINATED, INCRUSTATIONS
Operation Type: Unknown
Year First Production: 1861
Discovery Year: 1850
Years of Production:
Mineral Deposit Model
Description: NW STRIKE OF FRANCISCAN ROCKS AND DIP STEEPLY NE, NW TRENDING FAULT ZONES
Description: THE MAJOR SHEAR ZONES, CHANGES IN ATTITUDE OF A FAULT OR SPLITS IN A FAULT
Alteration Type: L
Alteration: SILICA CARBONATE
Alteration Text: SILICA CARBONATE ALTERATION OF SERPENTINE, INDURATION OF SEDIMENTS
Reference (Deposit): HOLMES, G. W., JR., 1965, MERCURY IN CALIFORNIA: IN USBM IC 8252
Reference (Deposit): HONKE, M. J., JR., AND VER PLANCK, W. E., JR., 1950, MINES AND MINERAL RESOURCES OF SONOMA COUNTY, CALIFORNIA; CALIF. JOUR. OF MINES AND GEOLOGY, V. 46, P. 98 - 105
Reference (Deposit): RANSOME, A. L. AND KELLOGG, J. L., 1939, QUICKSILVER RESOURCES OF CALIFORNIA: CALIF. JOUR. OF MINES AND GEOLOGY, V. 35, P. 353 - 486
"Where to Find Gold in California" looks at the density of modern placer mining claims along with historical gold mining locations and mining district descriptions to determine areas of high gold discovery potential in California. Read more at Where to Find Gold in California.