| Deposit ID | 10216144 |
|---|---|
| MRDS ID | M020294 |
| MAS/MILS ID | 0061050004 |
| Record type | Site |
| Current site name | Armstrong No. 2 Mine |
| Alternate or previous names | Armstrong No. 3 Prospect, Savage Nos.2 and 3 |
| Related records | 10033666 |
| Point of reference | Trench |
|---|---|
| Geographic coordinates: | -123.30501, 40.18845 (WGS84) |
| Elevation | 1058 |
| Location accuracy | 100(meters) |
Political divisions (FIPS codes)
Trinity(county)
California(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Shannon Butte(quadrangle 1:24,000 scale)
Garberville(quadrangle 1:100,000 scale)
Redding(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Lower Eel(hydrologic unit)
Northern California Coastal(hydrologic accounting unit)
Klamath-Northern California Coastal(hydrologic subregion)
California(hydrologic region)
Federal lands
Six Rivers National Forest(National Forest)
National Forest FS(Type of land area)
FS(Federal land areas administered by FS)
| Country | State | County |
|---|---|---|
| United States | California | Trinity |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Humboldt | 003 S | 008 E | 20 | NWNWSW | California |
| Commodity | Importance |
|---|---|
| Calcium | Tertiary |
| Copper | Tertiary |
| Iron | Tertiary |
| Manganese Critical | Tertiary |
| Silica | Tertiary |
| Materials | Type of material |
|---|---|
| Chert | Unknown |
| Limonite | Unknown |
| Malachite | Unknown |
| Psilomelane | Unknown |
| Rhodochrosite | Unknown |
| Trench (1) | -123.30501, 40.18845 |
|---|
| Strike | N10W | ||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dip | 55E | ||||||||||||||||||||||||||||||
| Thickness | 2M | ||||||||||||||||||||||||||||||
| Length | 20M | ||||||||||||||||||||||||||||||
| Width | 8M | ||||||||||||||||||||||||||||||
| Depth to top | 1M | ||||||||||||||||||||||||||||||
| |||||||||||||||||||||||||||||||
| Area | 3HA | ||||||
|---|---|---|---|---|---|---|---|
| |||||||
| Operation type | Surface-Underground |
|---|---|
| Development status | Past Producer |
| Commodity type | Both |
| Significant | No |
| Discovery year | 1941 |
| Year of first production | 1954 |
| Type of mineral rights | Located Claim |
|---|
| Ownership category | National Forest |
|---|
| Type | Owner |
|---|---|
| Owner | U.S. Forest Service |
| Interest | 100 |
| Home office | California |
| Year | 1975 |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| U.S. Bureau of Mines | Minerals Availability System | MAS | 0061050004 | |
| USGS | Mineral Resources Data System | MRDS | M020294 | MAS references MRDS |
TRASK-GEO DESCRIPT MN DEPS OF CAL-CAL.DIV.OF.MINES,BUL.152-A
O'BRIEN-MINES & MIN RES TRINITY CO-CAL.DIV.MINES,GEO.CO.RPT
| Subject category | Comment text |
|---|---|
| Deposit | 8-25-75-SOME GREENISH STAINING AT THIS DEPOSIT MAY INDICATE MINOR C. 9-11-75-LARGE RESOURCE OF LO-GRADE MN CHERT(<5% MN) EXPOSED 9-11-75-RESOURCE PROBABLY COMPRISES SEVERAL THOUSAND TONS |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 28-JAN-1987 | Niemi | 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.