| Deposit ID | 10138885 |
|---|---|
| MRDS ID | W023609 |
| MAS/MILS ID | 0060190220 |
| Record type | Site |
| Current site name | Long Ledge No.One |
| Alternate or previous names | Woods Mine, Grizzly Bear Mine |
| Related records | 10110662 |
| Point of reference | Trench |
|---|---|
| Geographic coordinates: | -119.29816, 36.87495 (WGS84) |
| Elevation | 536 |
| Location accuracy | 10(meters) |
Political divisions (FIPS codes)
Fresno(county)
California(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Pine Flat Dam(quadrangle 1:24,000 scale)
Fresno(quadrangle 1:100,000 scale)
Fresno(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Upper King(hydrologic unit)
Tulare-Buena Vista Lakes(hydrologic accounting unit)
Tulare-Buena Vista Lakes(hydrologic subregion)
California(hydrologic region)
Federal lands
Sierra National Forest(National Forest)
National Forest FS(Type of land area)
FS(Federal land areas administered by FS)
| Country | State | County |
|---|---|---|
| United States | California | Fresno |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Mount Diablo | 012 S | 025 E | 19 | SWSWNW | California |
| Commodity | Importance |
|---|---|
| Chromium Critical | Tertiary |
| Iron | Tertiary |
| Materials | Type of material |
|---|---|
| Chromite | Unknown |
| Olivine | Unknown |
| Pyroxene | Unknown |
| Serpentine | Unknown |
| Talc | Unknown |
| Trench (1) | -119.29816, 36.87495 |
|---|
| Strike | N15W | ||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dip | 85E | ||||||||||||||||||||||||||||||||||||
| Thickness | 3M | ||||||||||||||||||||||||||||||||||||
| Length | 84M | ||||||||||||||||||||||||||||||||||||
| Width | 8M | ||||||||||||||||||||||||||||||||||||
| Area | 2HA | ||||||||||||||||||||||||||||||||||||
| Depth to top | 0M | ||||||||||||||||||||||||||||||||||||
| |||||||||||||||||||||||||||||||||||||
| Operation type | Surface-Underground |
|---|---|
| Development status | Past Producer |
| Commodity type | Metallic |
| Significant | No |
| Discovery year | 1916 |
| Year of first production | 1916 |
| District name | Pine Flt-Trimmr |
|---|
| Type of mineral rights | Located Claim |
|---|
| Ownership category | National Forest |
|---|
| Type | Owner |
|---|---|
| Owner | G. E. Wood And John Mcgirr-Last Operators-1918 |
| Home office | California |
| Year | 1976 |
| Type | Owner |
|---|---|
| Owner | U.S. Forest Service |
| Interest | 100 |
| Home office | California |
| Year | 1976 |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| U.S. Bureau of Mines | Minerals Availability System | MAS | 0060190220 | |
| USGS | Mineral Resources Data System | MRDS | W023609 | MAS references MRDS |
CAL JOUR MINES & GEOLOGY V.47 NO.3,P 545; PL 31 JULY 1951
CAL DOM BULL 134 PL 3 CHAP 3 P.91-2,101; PL 6
COOP WAR MINERAL INVEST PROJ,FRESNO CO.,NO.19, TALIAFERRO 19
| Subject category | Comment text |
|---|---|
| Deposit | LONG LEDGE NO.1 APPEARS TO BE THE BEST PROSPECT OF THE LONG L OUP. RESERVE ESTIMATED FROM RECORD 700. 250 TONS WAS SHIPPED DURING WORLDWAR I. MINE VISTED 13 AUGUST 1975,AND SOME.ORE REMAINS IN PLACE. AVERAGE MINABLE GRADES OF CHROMITE 10% AND IRON 3% INADEQUATE RESOURCE FOR COST ANALYSIS. ANALYSIS BY CDMG IN 1976 GAVE FOLLOWING PERCENTAGES-MASSIVE 2 08.60,CR2O3 40.92,FEO 08.40,TOTAL FE 16.72,AL203 11.34,MGO CR/FE 2.15. |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 27-FEB-1984 | Wetzel, Nicholas | 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.