Cobalt Mines in California
5Total Sites
0Active
Cobalt Mining in California
California has 5 cobalt-related mine and mineral deposit locations recorded in federal databases. None are currently listed as active, but historical records document past production and geological occurrences. Data comes from the USGS Mineral Resources Data System and MSHA Mine Safety and Health Administration records.
By County
| County | Sites |
|---|---|
| Calaveras County | 3 |
| Inyo County | 1 |
| San Diego County | 1 |
Cobalt Mines
| Mine | County | Type | Status |
|---|---|---|---|
| Casey & Bach Claim | Calaveras | Occurrence | |
| Casey & Bach Claim | Calaveras | Underground | Unknown |
| Copconis Prospect | Inyo | Surface | Prospect |
| Friday Copper Co Claim | San Diego | Prospect | |
| Small Prospect Mar John | Calaveras | Occurrence |