| Deposit ID | 10285929 |
|---|---|
| MAS/MILS ID | 0060550007 |
| Record type | Site |
| Current site name | Moore Creek Prospect |
| Alternate or previous names | Manganese Ridge Prospect |
| Point of reference | Main Entrance |
|---|---|
| Geographic coordinates: | -122.40776, 38.53909 (WGS84) |
| Elevation | 366 |
| Location accuracy | 1000(meters) |
Political divisions (FIPS codes)
Napa(county)
California(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Saint Helena(quadrangle 1:24,000 scale)
Healdsburg(quadrangle 1:100,000 scale)
Santa Rosa(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
San Pablo Bay(hydrologic unit)
San Francisco Bay(hydrologic accounting unit)
San Francisco Bay(hydrologic subregion)
California(hydrologic region)
| Country | State | County |
|---|---|---|
| United States | California | Napa |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Mount Diablo | 008 N | 005 W | 15 | California |
| Commodity | Importance |
|---|---|
| Manganese Critical | Tertiary |
| Main Entrance (1) | Franciscan Complex, unit 1 (Coast Ranges) |
|---|
| Operation type | Surface-Underground |
|---|---|
| Development status | Past Producer |
| Commodity type | Metallic |
| Significant | No |
| Discovery year | 1918 |
| Type of mineral rights | Unknown |
|---|
| Type | Owner |
|---|---|
| Owner | Wolcott, Charles E. |
| Home office | California |
| Year | 1974 |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| U.S. Bureau of Mines | Minerals Availability System | MAS | 0060550007 |
CALIF BULL 125 1943 P 145; CALIF BULL 76 1918 P 51
PRODUCTION 150 TO 999 TONS; AVERAGE GRADE WAS 44 % MANGANESE
SILICA
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 22-MAY-1986 | Western Field Operations Center (WFOC) | U.S. Bureau of Mines |
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.