Vermiculite Mines in California
3Total Sites
0Active
Vermiculite Mining in California
California has 3 vermiculite-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 |
|---|---|
| Lassen County | 1 |
| Los Angeles County | 1 |
| San Diego County | 1 |
Vermiculite Mines
| Mine | County | Type | Status |
|---|---|---|---|
| Circle Group Deposit | San Diego | Surface | Past Producer |
| Nora-Evalyn Group | Los Angeles | Occurrence | |
| Unnamed Location | Lassen | Occurrence |
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