Fire Clay (Refractory) Mines in California
14Total Sites
8Active
Fire Clay (Refractory) Mining in California
California has 14 fire clay (refractory)-related mine and mineral deposit locations recorded in federal databases. Of these, 8 are currently active operations. Data comes from the USGS Mineral Resources Data System and MSHA Mine Safety and Health Administration records.
By County
| County | Sites |
|---|---|
| Sacramento County | 5 |
| Amador County | 2 |
| Imperial County | 2 |
| Riverside County | 2 |
| Alameda County | 1 |
| Los Angeles County | 1 |
| Orange County | 1 |
Fire Clay (Refractory) Mines
| Mine | County | Type | Status |
|---|---|---|---|
| Aacton Clay Project | Los Angeles | Surface | Producer |
| Berry Mine | Amador | Surface | Producer |
| Interpace | Alameda | Processing Plant | Producer |
| McDonnell Pit | Sacramento | Surface | Producer |
| Michigan Bar Pit | Sacramento | Surface | Producer |
| Mississippi Bar Pit | Sacramento | Surface | Producer |
| Van Vleck Pit | Sacramento | Surface | Producer |
| Van Vleck Ranch Pit | Sacramento | Surface | Producer |
| Buena Vista Pit | Amador | Surface | Past Producer |
| Desert Gold & Alum | Imperial | Underground | Unknown |
| Douglas Pit | Riverside | Surface | Past Producer |
| Hicks Canyon Prospect | Orange | Occurrence | |
| McKnight | Imperial | Past Producer | |
| Sloan Pit | Riverside | Surface | Past Producer |
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