Perlite Mines in California
74Total Sites
2Active
Perlite Mining in California
California has 74 perlite-related mine and mineral deposit locations recorded in federal databases. Of these, 2 are currently active operations. Data comes from the USGS Mineral Resources Data System and MSHA Mine Safety and Health Administration records.
The earliest recorded perlite mine in California is Unknown Perlite Mine in San Bernardino County, with records dating to 1.
By County
| County | Sites |
|---|---|
| San Bernardino County | 46 |
| Inyo County | 10 |
| Sonoma County | 6 |
| Kern County | 3 |
| Modoc County | 2 |
| Napa County | 2 |
| Imperial County | 1 |
| Lassen County | 1 |
| Mono County | 1 |
| Riverside County | 1 |
| San Diego County | 1 |
Perlite Mines
| Mine | County | Type | Status |
|---|---|---|---|
| Fish Springs Quarry | Inyo | Surface | Active |
| Annadel Farm | Sonoma | Producer | |
| American Perlite | Inyo | Surface | Past Producer |
| Annadel Farm | Sonoma | Surface | Past Producer |
| Black Eagle Group | Kern | Surface | Prospect |
| Black Hills Perlite Deposit | Imperial | Surface | Unknown |
| Castle Mountains Perlite | San Bernardino | Surface | Past Producer |
| Cedar Top Perlite | San Bernardino | Surface | Past Producer |
| Craik Perlite | San Bernardino | Underground | Prospect |
| Dude | Lassen | Surface | Occurrence |
| Eisenman Claims | Kern | Occurrence | |
| Erin Deposit | San Bernardino | Occurrence | |
| Evening Star Claim | Modoc | Occurrence | |
| Evening Star Claim | Modoc | Surface | Past Producer |
| Glassy Rock Perlite | San Bernardino | Surface | Past Producer |
| Gray Eagle Group | Kern | Prospect | |
| Great Western Exploration Co. | Riverside | Surface | Occurrence |
| Haborlite Corporation | San Diego | Processing Plant | Past Producer |
| Harper Perlite | San Bernardino | Surface | Prospect |
| Hats Prospect | San Bernardino | Surface | Prospect |
| Hicks Perlite | San Bernardino | Surface | Past Producer |
| Lane Perlite | Inyo | Unknown | |
| Little Lake Perlite Deposits | Inyo | Occurrence | |
| Little Sand Spring Perlite | Inyo | Occurrence | |
| Pilot Knob Perlite | San Bernardino | Occurrence | |
| Puffer #2 Claim | San Bernardino | Surface | Prospect |
| Santischi Perlite | San Bernardino | Surface | Prospect |
| Sheephead Mt. Perlite | Inyo | Occurrence | |
| Shoshone | Inyo | Occurrence | |
| Silver Star | Inyo | Underground | Prospect |
| Staats | Inyo | Unknown | |
| Tinemaha Pit | Inyo | Surface | Past Producer |
| Unknown | Napa | Occurrence | |
| Unknown | Mono | Occurrence | |
| Unknown Perlite Mine | San Bernardino | Surface | Past Producer |
| Unnamed Location | Napa | Occurrence | |
| Unnamed Location | San Bernardino | Underground | Unknown |
| Unnamed Location | Sonoma | Prospect | |
| Unnamed Location | Sonoma | Prospect | |
| Unnamed Location | Sonoma | Occurrence | |
| Unnamed Location | Sonoma | Surface | Prospect |
| Unnamed Location | San Bernardino | Occurrence | |
| Unnamed Perlite Occurrence | San Bernardino | Occurrence | |
| Unnamed Perlite Occurrence | San Bernardino | Surface | Occurrence |
| Unnamed Perlite Occurrence | San Bernardino | Surface | Occurrence |
| Unnamed Perlite Occurrence | San Bernardino | Occurrence | |
| Unnamed Perlite Occurrence | San Bernardino | Occurrence | |
| Unnamed Perlite Occurrence | San Bernardino | Occurrence | |
| Unnamed Perlite Occurrence | San Bernardino | Occurrence | |
| Unnamed Perlite Occurrence | San Bernardino | Occurrence |