| Lat / long: | 37.83184, -121.9441 |
| Primary: | Copper |
| Secondary: | Gold, Silver |
| Operation type: | Unknown |
| Production size: | Small |
| Development status: | Past Producer |
| Production years: | 1901 , 1918 |
| Host type: | Diabase |
| MRDS | M007203 |
| DEP | 10029568 |
| Reference | {Deposit:: ERIC, J.H., 1948 : COPPER IN CALIFORNIA BULL. 144 ; DIV. OF MINES , P. 224}{Deposit:: PAMPEYAN, E.H., 1963 , GEOLOGY AND MINERAL DEPOSITS OF MOUNT DIABLO, CONTRA COSTA COUNTY; CALIFORNIA DIVISION OF MINES AND GEOLOGY, SPECIAL REPORT 80 , P. 21} |
| Reporter | Gere, W., Fraticelli, L. A. (Albers, J.) |