Bentonite occurrence · San Bernardino County, California
| State | California |
| County | San Bernardino |
| Coordinates | 35.00834, -116.93420 |
| Primary | Bentonite |
| Status | Occurrence |
| Data Source | USGS MRDS |
| Source ID | 10094965 |
| Site | Distance | Commodity | Status |
|---|---|---|---|
| Unnamed Prospect near Yermo, CA | 0.4 mi | Clay | Prospect |
| Ross Mine | 1.1 mi | Strontium | Occurrence |
| Calico Rock Plant | 1.2 mi | Volcanic Materials | Producer |
| Unnamed Rhyolite Prospect near Yermo, CA | 1.3 mi | Stone | Prospect |
| Dusty Rose Quarry | 1.5 mi | Stone, Crushed/Broken | Producer |
| Rhyolite Quarry | 1.5 mi | Stone | Producer |
| Ross | 1.5 mi | Strontium | Past Producer |
| Mint Green Quarry | 1.5 mi | Volcanic Materials | Producer |
| Percy & Cookies Crust Bentonite | 1.6 mi | Bentonite | Prospect |
| Peanut Zeolite Prospect | 2.2 mi | Zeolites | Occurrence |
| Galena King | 2.3 mi | Silver | Prospect |
| Purple Rock Quarry | 2.4 mi | Stone, Crushed/Broken | Past Producer |
This location is classified as a mineral prospect or occurrence — a site where minerals have been identified but no significant mining has taken place. These sites typically have minimal environmental impact but indicate the presence of mineral deposits in the area.