| Deposit ID | 10043456 |
|---|---|
| MRDS ID | M100222 |
| Record type | Site |
| Current site name | Little Red Mountain Group |
| Alternate or previous names | Mines: Blue Jay, Blue Sky, Jumbo Red Mtn. No. 2, Live Oak, Mcarthur, Lucky Star, Mogul, 4th of July, Mary Ann, Southern Pacific Lease, River Divide, Northfork, Panther, Seagrave Beegum Mine, Sunshine Red Mtn. No. 3, Pine Grove |
| Geographic coordinates: | -122.9411, 40.27874 (WGS84) |
|---|---|
| Elevation | 1067 |
| Location accuracy | 1000(meters) |
| Relative position | APPROX. 65 MILES W. OF RED BLUFF, CA., Assumed Spot At Center Of Sect. 12., T28n, R10w. |
Political divisions (FIPS codes)
Tehama(county)
California(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Platina(quadrangle 1:24,000 scale)
Red Bluff(quadrangle 1:100,000 scale)
Redding(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Lower Sacramento(hydrologic accounting unit)
Sacramento(hydrologic subregion)
California(hydrologic region)
Federal lands
Shasta-Trinity National Forest(National Forest)
National Forest FS(Type of land area)
FS(Federal land areas administered by FS)
| Country | State | County |
|---|---|---|
| United States | California | Tehama |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Mount Diablo | 028N;028N;028N;028N | 009W;009W;010W;010W | 07;18;11;11 | SW (07); NE (18); NW OF W2 (11) | California |
| Commodity | Importance |
|---|---|
| Chromium Critical | Primary |
| Materials | Type of material |
|---|---|
| Chromite | Ore |
| Uvarovite | Gangue |
| Result | 44.1-49.9% CR2O3 |
|---|---|
| Result | CR TO FE RATIO 2.8-3.1 TO 1 |
| Result | 10.0-12.4% FE |
| Host or associated | Host | ||
|---|---|---|---|
| Rock type | Metamorphic Rock > Serpentinite | ||
| |||
| (1) | -122.9411, 40.27874 |
|---|
| General form | LENS |
|---|
| Development status | Past Producer |
|---|---|
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| Discovery year | 1925 |
| Discoverer | G. Robinson And A. Shelton |
| Year of first production | 1918 |
| Year of last production | 1956 |
| District name | Little Red Mountain Area |
|---|
| Ownership category | National Forest |
|---|
| Type | Operator |
|---|---|
| Owner | L. B. Duffin |
| First year | 1956 |
| Year | 1924 | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Material | ORE CON | ||||||||||||||
| Accuracy | Accurate | ||||||||||||||
| Description | Ap_Grade: ^Ore Avg. 55% Cr2o3 | ||||||||||||||
| |||||||||||||||
| Year | 1943 | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Material | ORE CON | ||||||||||||||
| Accuracy | Accurate | ||||||||||||||
| Description | Ap_Grade: ^1950'S: Ore Avg. 49.3%, Cr2o3 | ||||||||||||||
| |||||||||||||||
| Year | 1953 | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Material | ORE CON | ||||||||||||||
| Accuracy | Accurate | ||||||||||||||
| Description | Ap_Grade: ^1950'S: Con. Avg. 48.2% Cr2o3 | ||||||||||||||
| |||||||||||||||
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | M100222 |
STINSON, M.C., 1975, CALIFORNIA DIVISION OF MINES AND GEOLOGY MINERAL PROPERTY REPORT, UNPUBLISHED.
WELLS, F.G., AND HAWKES, H.E., GEOLOGICAL INVESTIGATIONS OF CHROMITE IN CALIFORNIA: CALIFORNIA DIVISION OF MINES AND GEOLOGY BULLETIN 134, PT. 1, CH. 3, P. 159, 162-168, 141.
| Subject category | Comment text |
|---|---|
| Deposit | Discovery Year: EARLY 1900'S |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-JUL-82 | 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.