| Deposit ID | 10163612 |
|---|---|
| MAS/MILS ID | 0060230005 |
| Record type | Site |
| Current site name | Fort Baker Mine |
| Alternate or previous names | Porter Ranch Depositprospect, Porter Ranch |
| Point of reference | Trench |
|---|---|
| Geographic coordinates: | -123.75783, 40.59424 (WGS84) |
| Elevation | 972 |
| Location accuracy | 100(meters) |
Political divisions (FIPS codes)
Humboldt(county)
California(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Yager Junction(quadrangle 1:24,000 scale)
Hayfork(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)
| Country | State | County |
|---|---|---|
| United States | California | Humboldt |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Humboldt | 003 N | 004 E | 32 | NENWSW | California |
| Commodity | Importance |
|---|---|
| Manganese Critical | Tertiary |
| Materials | Type of material |
|---|---|
| Chert | Unknown |
| Psilomelane | Unknown |
| Pyrolusite | Unknown |
| Trench (1) | -123.75783, 40.59424 |
|---|
| Strike | N25E | ||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dip | 75E | ||||||||||||||||||||||||||||||||||
| Thickness | 1M | ||||||||||||||||||||||||||||||||||
| Length | 50M | ||||||||||||||||||||||||||||||||||
| Width | 20M | ||||||||||||||||||||||||||||||||||
| Depth to top | 1M | ||||||||||||||||||||||||||||||||||
| |||||||||||||||||||||||||||||||||||
| Area | 2HA | ||||||
|---|---|---|---|---|---|---|---|
| |||||||
| Operation type | Surface |
|---|---|
| Development status | Past Producer |
| Commodity type | Metallic |
| Significant | No |
| Discovery year | 1917 |
| Year of first production | 1918 |
| Type of mineral rights | Fee Ownership |
|---|
| Ownership category | Private |
|---|
| Type | Owner |
|---|---|
| Owner | Lee Rice, Fort Baker Ranch |
| Interest | 100 |
| Home office | Box 873 Fortuna, Ca |
| Year | 1975 |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| U.S. Bureau of Mines | Minerals Availability System | MAS | 0060230005 |
TRASK-GEO DESCRIPT MN DEPS OF CAL-CAL DIV MINES BUL 152-APRI
JENKINS-MN IN CALIF-CAL DIV OF MINES BUL.125-DEC 1943
TRENGOVE-RECON OF CAL MN DEPS-USBM-RPT OF INVEST 5579-1960
BRADLEY-MN & CR IN CALIF-CAL DIV OF MINES BUL.76-1918
LAIZURE-RPT XXI OF STATE MINERALOGIST-MINING IN CA-HUMBOLDT
DAVIS, E.F. &WOODFORD, A.O.-UNPUBRPT CAL STATE COUNCIL FOR D
| Subject category | Comment text |
|---|---|
| Deposit | 12-16-75-STRIKES AND DIPS OF DEPOSIT CHAOTIC,DUE TO VIOLENT RESOURCE ESTIMATE INCLUDES PROSPECT LOCATED 1/4 MILE W.OF LO |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 27-FEB-1984 | 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.