Manganese occurrence · Lake County, California
| State | California |
| County | Lake |
| Coordinates | 38.76768, -122.71327 |
| Tertiary | Manganese |
| Status | Occurrence |
| Discovery Year | 1942 |
| Data Source | USGS MRDS |
| Source ID | 10139528 |
| Site | Distance | Commodity | Status |
|---|---|---|---|
| Mead | 0.2 mi | Occurrence | |
| Big Injun | 0.4 mi | Mercury | Past Producer |
| Big Injun Mine | 0.4 mi | Mercury | Unknown |
| Mine | 0.5 mi | Mercury | Occurrence |
| Unnamed Location near Cobb, CA | 0.5 mi | Mercury | Occurrence |
| Big Chief Mine | 0.5 mi | Mercury | Occurrence |
| Big Chief | 0.5 mi | Mercury | Past Producer |
| Unnamed Location near Middletown, CA | 0.6 mi | Mercury | Unknown |
| Anderson Springs | 0.6 mi | Mercury | Unknown |
| Thorne | 0.6 mi | Mercury | Past Producer |
| Thorpe Mine | 0.7 mi | Mercury | Unknown |
| Mine | 1.1 mi | Mercury | Occurrence |
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.