| Deposit ID | 10035910 |
|---|---|
| MRDS ID | M023863 |
| Record type | Site |
| Current site name | Last Chance |
| Related records | 10238303 |
| Geographic coordinates: | -122.7436, 40.74429 (WGS84) |
|---|---|
| Elevation | 884 |
| Relative position | 2 MI. N. DEADWOOD SITE OFF SOUTH FORK OF EASTMAN GULCH |
Political divisions (FIPS codes)
Trinity(county)
California(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
French Gulch(quadrangle 1:24,000 scale)
Redding(quadrangle 1:100,000 scale)
Redding(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Trinity(hydrologic unit)
Klamath(hydrologic accounting unit)
Klamath-Northern California Coastal(hydrologic subregion)
California(hydrologic region)
Federal lands
Bureau of Land Management(Bureau of Land Management CA)
Bureau of Land Management CA BLM(Type of land area)
BLM(Federal land areas administered by BLM)
| Country | State | County |
|---|---|---|
| United States | California | Trinity |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Mount Diablo | 033N | 008W | 02 | California |
| Commodity | Importance |
|---|---|
| Gold | Primary |
| Lead | Secondary |
| Zinc Critical | Secondary |
| Arsenic Critical | Secondary |
| Materials | Type of material |
|---|---|
| Galena | Ore |
| Gold | Ore |
| Sphalerite | Ore |
| Quartz | Gangue |
| Host or associated | Host |
|---|---|
| Rock type | Metamorphic Rock > Metasedimentary Rock > Slate |
| (1) | -122.7436, 40.74429 |
|---|
| Dip | 60-80S |
|---|---|
| Thickness | 0.61M |
| Development status | Past Producer |
|---|---|
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| Ownership category | National Forest |
|---|
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | M023863 |
BROWN, G. CHESTER, 1913, THE COUNTIES OF SHASTA, SISKIYOU AND TRINITY: CALIFORNIA JOURNAL OF MINES AND GEOLOGY, V. 14, PT. 4, P. 894
FERGUSON, H.G., 1912, GOLD LODES OF WEAVERVILLE QUADRANGLE: U.S. GEOLOGICAL SURVEY BULL. 540, P. 70-71
BROWN (1913)
| Subject category | Comment text |
|---|---|
| Deposit | SMALL VEIN. ORE SHOOTS PITCH AT FLAT ANGLE TO EAST. VEINS SHOW SLIPPING ALONG BOTH WALLS AND THERE IS ALWAYS GOUGE PRESENT, LOCALLY UP TO 3 INCHES. PRESENCE OF GALENA AND SPHALERITE IN VEINS USUALLY INDICATED RICH ORE PRESENT. |
| Deposit | 60 ACRES. SEE BROWN BEAR MINE; PART OF ITS HOLDINGS. ; INFO.SRC : 1 PUB LIT |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-AUG-1980 | Nelson, Scott C. (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.