| Deposit ID | 10031642 |
|---|---|
| MRDS ID | M010757 |
| Record type | Site |
| Current site name | Unknown |
| Point of reference | Centroid |
|---|---|
| Geographic coordinates: | -122.41883, 38.68388 (WGS84) |
| Relative position | Original record had no geographic coordinates; these coordinates were derived from the PLSS description provided. |
Political divisions (FIPS codes)
Napa(county)
California(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Aetna Springs(quadrangle 1:24,000 scale)
Healdsburg(quadrangle 1:100,000 scale)
Santa Rosa(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Lower Sacramento(hydrologic accounting unit)
Sacramento(hydrologic subregion)
California(hydrologic region)
| Country | State | County |
|---|---|---|
| United States | California | Napa |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Mount Diablo | 010N | 005W | 02,11,22,28 | California |
| Commodity | Importance |
|---|---|
| Chromium Critical | Primary |
| Materials | Type of material |
|---|---|
| Chromite | Ore |
| Centroid (1) | Ultramafic rocks, chiefly Mesozoic, unit 3 (Coast Ranges and Western Klamath Mountains) |
|---|
| Development status | Occurrence |
|---|---|
| Commodity type | Metallic |
| Significant | No |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | M010757 |
ECONOMIC MINERAL MAP OF CALIFORNIA NO. 3, CHROMITE, 1942
| Subject category | Comment text |
|---|---|
| Deposit | PROBABLY MEANT FOR 1, 12. SERP IN ALL SEC. 22 IS PROBABLY MEANT FOR 21. OCCURRENCES OF CHROMITE. |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-JUN-73 | Gere, W. | U.S. Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.
These are landing pages for further research — the state agencies don't currently expose per-mine deep links.