| Lat / long: | 38.55822, -122.5594 |
| Primary: | Mercury |
| Ore: | Cinnabar |
| Gangue: | Opal |
| Discovery year: | 1875 |
| Operation type: | Unknown |
| Production size: | Small |
| Development status: | Past Producer |
| Host type: | Volcanic Rock (Aphanitic) |
| Associated type: | Volcanic Rock (Aphanitic) |
| Alteration processes: | Opalization Of Tuff |
| MRDS | M055668 |
| DEP | 10103815 |
| Reference | {Deposit:: HOLMES, G. W., JR., 1965, MERCURY IN CALIFORNIA: IN USBM IC 8252}{Deposit:: YATES, R. G. AND HILPERT, L. S., 1946, QUICKSILVER DEPOSITS OF THE EASTERN MAYACMAS DISTRICT, LAKE AND NAPA COUNTIES, CALIFORNIA: CALIF. JOUR. OF MINES AND GEOLOGY, V. 42, P. 231 - 286}{Production:: HOLMES, G. W., JR., 1965 AND YATES AND HILPERT, 1946} |
| Reporter | Peterson, Jocelyn A. |