| Location: | Contra Costa County, California, United States, North America |
| Lat / long: | 37.83184, -121.9441 |
| dep_id: | 10029568 |
| mrds_id: | M007203 |
| Commodity type: | metallic |
| Major mineral: | Copper |
| Minor mineral: | Gold, Silver |
| Operation type: | Unknown |
| Production size: | Small ammount of material produced |
| Development status: | Past Producer |
| Reporter: | Gere, W., Fraticelli, L. A. (Albers, J.) |
| hrock_type: | Diabase |
| prod_yrs: | 1901 , 1918 |
| References: |
- 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
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