| Deposit ID | 10007111 |
|---|---|
| MRDS ID | C008445 |
| Record type | Site |
| Current site name | Bret Harte |
| Alternate or previous names | Safeguard No. 1 |
| Related records | 10139079 |
| Geographic coordinates: | -120.68713, 38.83073 (WGS84) |
|---|---|
| Elevation | 994 |
| Relative position | N SLOPE OF SLATE MTN |
Political divisions (FIPS codes)
El Dorado(county)
California(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Slate Mountain(quadrangle 1:24,000 scale)
Placerville(quadrangle 1:100,000 scale)
Sacramento(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
South Fork American(hydrologic unit)
Lower Sacramento(hydrologic accounting unit)
Sacramento(hydrologic subregion)
California(hydrologic region)
Federal lands
Eldorado National Forest(National Forest)
National Forest FS(Type of land area)
FS(Federal land areas administered by FS)
| Country | State | County |
|---|---|---|
| United States | California | El Dorado |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Mount Diablo | 011N | 012E | 06 | California |
| Commodity | Importance |
|---|---|
| Gold | Primary |
| Materials | Type of material |
|---|---|
| Gold | Ore |
| Quartz | Gangue |
| (1) | Paleozoic marine rocks, undivided, unit 4 (Western Sierra Nevada) |
|---|
| Thickness | 0.91M |
|---|---|
| Depth to top | 0M |
| Development status | Past Producer |
|---|---|
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | C008445 |
CLARK, W. B., AND CARLSON, D. W., 1956 , MINES AND MINERAL RESOURCES OF EL DORADO CO., CALIF.: CALIF. JOUR. OF MINES AND GEOL., VOL. 52 , NO. 4 , PG. 490 AND PL 10 .
LOGAN, C. A., 1938 , MIN. RESOURCES OF EL DORADO CO.: CALIF. JOUR. OF MINES AND GEOL., VOL. 34 , NO. 3 , PG. 225 .
| Subject category | Comment text |
|---|---|
| Deposit | VEIN FROM 2 TO 14 INCHES THICK IN ONE ADIT AND 18 TO 36 INCHES IN OTHER ADIT. |
| Deposit | 2 CLAIMS ; INFO.SRC : 1 PUB LIT |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-MAY-1979 | Mateik, R.; 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.