| Deposit ID | 10043727 |
|---|---|
| MRDS ID | M100640 |
| MAS/MILS ID | 0060190038 |
| Record type | Site |
| Current site name | James-Corbett Mine |
| Alternate or previous names | Corbett-Byles Mine |
| Geographic coordinates: | -120.56292, 36.30939 (WGS84) |
|---|---|
| Relative position | 26 KM (BY AIB) NW OF COALINGA |
Political divisions (FIPS codes)
Fresno(county)
California(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Santa Rita Peak(quadrangle 1:24,000 scale)
Coalinga(quadrangle 1:100,000 scale)
Monterey(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Tulare-Buena Vista Lakes(hydrologic accounting unit)
Tulare-Buena Vista Lakes(hydrologic subregion)
California(hydrologic region)
Federal lands
Bureau of Land Management(Bureau of Land Management CA)
Bureau of Land Management CA BLM(Type of land area)
BLM(Federal land areas administered by BLM)
| Country | State | County |
|---|---|---|
| United States | California | Fresno |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Mount Diablo | 019S | 013E | 03 | California |
| Commodity | Importance |
|---|---|
| Chromium Critical | Primary |
| Asbestos | Primary |
| Iron | Tertiary |
| Materials | Type of material |
|---|---|
| Chromite | Ore |
| Uvarovite | Ore |
| Calcite | Gangue |
| Magnesite | Gangue |
| Magnetite | Gangue |
| Talc | Gangue |
| Result | LUMP ORE AVERAGES 44.5% CR2O3, 9.1% FE, CR: FE 3.4. CONCENTRATES AVERAGE 46.9% CR2O3, 12.4% FE, CR |
|---|---|
| Result | FE 2.6. MILLING ORE IS 11% CR2O3. |
| Host or associated | Host |
|---|---|
| Rock type | Plutonic Rock > Ultramafic Intrusive Rock > Peridotite > Dunite |
| Rock unit name | Franciscan Formation;Ponoche |
| Rock description | Franciscan Formation;Ponoche |
| Host or associated | Host |
|---|---|
| Rock type | Metamorphic Rock > Serpentinite |
| (1) | -120.56292, 36.30939 |
|---|
| General form | IRREGULAR |
|---|
| Development status | Past Producer |
|---|---|
| Commodity type | Both |
| Deposit size | Small |
| Significant | No |
| Year of first production | 1951 |
| District name | New Idria Area |
|---|
| Ownership category | Private |
|---|
| Type | Operator |
|---|---|
| Owner | Keith Jones, John Russell |
| Type | Owner |
|---|---|
| Owner | Mareco Mining Division Of Marmac Resources Co., Los Angeles, Ca |
| Type of workings | Surface/Underground |
|---|---|
| Overall depth | 25M |
| Overall length | 68.58M |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | M100640 |
STINSON, M.C., 1976, MINERAL PROPERTY REPORT, CDMG UNPUBLISHED REPORT.
CDMG SR 71, 19 P.
USBM MINERAL YEARBOOK, V. 3, 1954, P. 207; 1955, P. 210
| Subject category | Comment text |
|---|---|
| Deposit | ORE BODY WITH DIMENSIONS 10M X 10M X 5M, LARGE ENOUGH TO ACCOUNT FOR MINE'S TOTAL PRODUCTION, ORE BODY ASSUMED TO HAVE A VERTICAL, PIPE-LIKE GEOMETRY. |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-JUL-1980 | Oster, Karel L. (Albers, John P.) | 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.