Manganese, Iron, Silica prospect · Trinity County, California
discovered 1940
Drawn as an open-pit mine, dug down in benches from the surface. The ore color stands for manganese, iron, silica. Federal records note the kind of operation and its status, not its depth or layout, so this is a typical example rather than a survey of this site.
| State | California |
| County | Trinity |
| Coordinates | 40.26905, -123.12171 |
| Tertiary | Manganese, Iron, Silica |
| Status | Prospect |
| Type | Surface |
| Discovery Year | 1940 |
| Data Source | USGS MRDS |
| Source ID | 10190634 |
| Site | Distance | Commodity | Status |
|---|---|---|---|
| Spider Prospect | 0.4 mi | Occurrence | |
| Prospect Creek | 0.4 mi | Limestone, Dimension | Unknown |
| Cauldwell Manganese Property | 0.6 mi | Manganese | Unknown |
| Lucky Bill Prospect | 1.7 mi | Occurrence | |
| Old Bill Mine | 1.7 mi | Past Producer | |
| Murphy-Bramlette Prospect | 1.9 mi | Occurrence | |
| Murphy-Bramlette Prospect | 2.5 mi | Prospect | |
| Evalina | 2.7 mi | Past Producer | |
| Evalina Occurrenco | 2.7 mi | Chromium | Past Producer |
| Black Hawk | 3.6 mi | Manganese | Occurrence |
| Jewett | 3.7 mi | Occurrence | |
| Jewett | 3.7 mi | Manganese | Unknown |
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.