| Lat / long: | 38.15184, -122.19272 |
| Primary: | Mercury |
| Ore: | Cinnabar |
| Gangue: | Quartz |
| Orebody form: | TABULAR |
| Discovery year: | 1852 |
| Operation type: | Unknown |
| Production size: | Medium |
| Development status: | Past Producer |
| Production years: | 1873-1880, 1902-1908, 1914-1920, 1923, 1930, 1935-1940, 1942 |
| First production started: | 1873 |
| Host type: | Serpentinite,Sandstone,Andesite |
| Structure: | Prominent N-S Fracture System In The Sandstone, Thrust Fault |
| Alteration processes: | Silica - Carbonate From Serpentine And Andesite |
| MRDS | M055491 |
| DEP | 10040639 |
| Reference | {Deposit:: BAILEY, E. H., USGS, PERSONAL FILES}{Deposit:: HOLMES, G. W., JR., 1965, MERCURY IN CALIFORNIA: IN USBM IC 8252.}{Deposit:: BRADLEY, W. W., 1918, QUICKSILVER RESOURCES OF CALIFORNIA: CDMG BULL. 78.}{Deposit:: AUBURY, L. E., 1903, THE QUICKSILVER RESOURCES OF CALIFORNIA: CDMG BULL. 27.}{Production:: USBM DATA} |
| Reporter | Gassaway, J. S. |