Niobium (Columbium), Tantalum, REE, Uranium, Thorium occurrence · San Bernardino County, California
| State | California |
| County | San Bernardino |
| Coordinates | 34.88334, -116.31752 |
| Primary | Niobium (Columbium), Tantalum, REE, Uranium, Thorium |
| Status | Occurrence |
| Data Source | USGS MRDS |
| Source ID | 10009115 |
| Site | Distance | Commodity | Status |
|---|---|---|---|
| Unnamed Pit (San Bernardino County) | 1.3 mi | Sand and Gravel, Construction | Past Producer |
| Hoerner-Ross Pegmatite | 2.6 mi | Uranium | Prospect |
| Unnamed Mangenese Prospect (San Bernardino County) | 2.9 mi | Manganese | Prospect |
| Unnamed Pumice Occurrence (San Bernardino County) | 3.7 mi | Pumice | Occurrence |
| Read Ridge | 3.9 mi | Manganese | Prospect |
| Logan Mine | 3.9 mi | Manganese | Past Producer |
| Logan Mine | 3.9 mi | Manganese | Producer |
| Unnamed Pumicite Occurrence (San Bernardino County) | 4.8 mi | Pumice | Occurrence |
| Big Reef | 5.5 mi | Manganese | Producer |
| Big Reef Mine | 5.6 mi | Past Producer | |
| Unnamed Prospect (San Bernardino County) | 5.7 mi | Copper | Prospect |
| Preston | 6.3 mi | Lead | Prospect |
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.
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