Manganese occurrence · Riverside County, California
| State | California |
| County | Riverside |
| Coordinates | 34.03255, -114.49890 |
| Primary | Manganese |
| Status | Occurrence |
| Data Source | USGS MRDS |
| Source ID | 10237209 |
| Site | Distance | Commodity | Status |
|---|---|---|---|
| Unnamed Prospect near Poston, AZ | 0.3 mi | Gold | Prospect |
| Riverside Mountains Gypsum Deposit | 0.4 mi | Gypsum-Anhydrite | Occurrence |
| Blue Bell Consolidated | 0.4 mi | Copper | Prospect |
| Jacknife Group | 0.5 mi | Gold | Past Producer |
| Unnamed Prospect near Poston, AZ | 0.5 mi | Gold | Prospect |
| Unnamed Prospect near Poston, AZ | 0.5 mi | Gold | Prospect |
| Mountaineer Mine | 0.6 mi | Manganese, Gold, Copper | Occurrence |
| Unnamed Prospect near Poston, AZ | 0.6 mi | Gold | Prospect |
| Steece Group | 0.6 mi | Gold | Past Producer |
| Unnamed Prospect near Poston, AZ | 0.6 mi | Gold | Prospect |
| Mountainer Mine | 0.6 mi | Copper | Producer |
| Morning Star Deposit | 0.6 mi | Gold | Plant |
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.