| Deposit ID | 10261934 |
|---|---|
| MRDS ID | M020088 |
| MAS/MILS ID | 0060630012 |
| Record type | Site |
| Current site name | Sunset Group |
| Related records | 10033512 |
| Point of reference | Trench |
|---|---|
| Geographic coordinates: | -121.05435, 40.13877 (WGS84) |
| Elevation | 1926 |
| Location accuracy | 1000(meters) |
Political divisions (FIPS codes)
Plumas(county)
California(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Canyondam(quadrangle 1:24,000 scale)
Lake Almanor(quadrangle 1:100,000 scale)
Susanville(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
North Fork Feather(hydrologic unit)
Lower Sacramento(hydrologic accounting unit)
Sacramento(hydrologic subregion)
California(hydrologic region)
Federal lands
Plumas National Forest(National Forest)
National Forest FS(Type of land area)
FS(Federal land areas administered by FS)
| Country | State | County |
|---|---|---|
| United States | California | Plumas |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Mount Diablo | 026 N | 008 E | 03 | SW | California |
| Commodity | Importance |
|---|---|
| Aluminum Critical | Tertiary |
| Iron | Tertiary |
| Manganese Critical | Primary |
| Phosphorus-Phosphates | Tertiary |
| Silica | Tertiary |
| Materials | Type of material |
|---|---|
| Chert | Unknown |
| Hematite | Unknown |
| Limonite | Unknown |
| Psilomelane | Unknown |
| Pyrolusite | Unknown |
| Quartz | Unknown |
| Rhodonite | Unknown |
| Trench (1) | -121.05435, 40.13877 |
|---|
| |||||||||||||
| Operation type | Surface |
|---|---|
| Development status | Past Producer |
| Commodity type | Both |
| Significant | No |
| Discovery year | 1917 |
| Type of mineral rights | Unknown |
|---|
| Ownership category | National Forest |
|---|
| Type | Owner |
|---|---|
| Owner | Armin Speckert |
| Home office | California |
| Year | 1974 |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| U.S. Bureau of Mines | Minerals Availability System | MAS | 0060630012 | |
| USGS | Mineral Resources Data System | MRDS | M020088 | MAS references MRDS |
CALIF DIV OF MINES BULL 125 1935 P 153
ALSO IN SEC 3 SW 1/4 T26N R8E & SEC T27N R8E
TRASK, PARKER D., 1950, GEOLOGIC DESCRIPTION OF THE MANGAN-
ESE DEPOSITS OF CALIFORNIA: CAL. DIV. MINES & GEOL. BULL.
152
TENGROVE, RUSSELL R., 1960, RECONNAISSANCE OF CAL. MANGANESE
DEPOSITS: BUREAU OF MINES RI 5579
| Subject category | Comment text |
|---|---|
| Deposit | MANGANESE OXIDES DERIVED FROM WEATHERING OF THE CHERT OCCUR ONLY IN THE UPPERMOST PORTIONS OF THE FORMATION, USUALLY 30 FEET FROM THE SURFACE. BELOW THAT, MANGANESE OCCURS AS RHODONITE AND BEMENTITE. |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 27-FEB-1984 | Mcmahan | 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.