| Deposit ID | 10101158 |
|---|---|
| MRDS ID | C008510 |
| Record type | Site |
| Current site name | Cosumnes |
| Alternate or previous names | Melton, Middle End |
| Related records | 10236224 |
| Geographic coordinates: | -120.53462, 38.66462 (WGS84) |
|---|---|
| Elevation | 1195 |
| Relative position | 2 1/2 MI. N OF GRIZZLY FLAT, JUST S. OF COSUMNES RIVER |
Political divisions (FIPS codes)
El Dorado(county)
California(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Sly Park(quadrangle 1:24,000 scale)
Placerville(quadrangle 1:100,000 scale)
Sacramento(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Upper Cosumnes(hydrologic unit)
San Joaquin(hydrologic accounting unit)
San Joaquin(hydrologic subregion)
California(hydrologic region)
| Country | State | County |
|---|---|---|
| United States | California | El Dorado |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Mount Diablo | 009N | 013E | 03,04 | California |
| Commodity | Importance |
|---|---|
| Gold | Primary |
| Silver | Secondary |
| Lead | Secondary |
| Copper | Tertiary |
| Zinc Critical | Tertiary |
| Antimony Critical | Tertiary |
| Materials | Type of material |
|---|---|
| Chalcopyrite | Ore |
| Galena | Ore |
| Gold | Ore |
| Pyrite | Ore |
| Sphalerite | Ore |
| Stibnite | Ore |
| Quartz | Gangue |
| Host or associated | Associated |
|---|---|
| Rock type | Plutonic Rock > Mafic Intrusive Rock > Diorite |
| Host or associated | Host |
|---|---|
| Rock type | Plutonic Rock > Mafic Intrusive Rock > Diorite |
| (1) | -120.53462, 38.66462 |
|---|
| Strike | NNE |
|---|---|
| Dip | W |
| Thickness | 0.91M |
| Depth to top | 0M |
| 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 | C008510 |
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. 413 , 494 AND PL. 10 .
GOODWIN, J. G., 1957 , LEAD AND ZINC IN CALIF.: CALIF. DIV. MINES. VOL. 53 , NO. 3 & 4 , P. 441 .
LOGAN, C. A., 1938 , MIN. RESOURCES OF EL DORADO CO.: CALIF. JOUR. OF MINES AND GEOL., VOL. 34 , NO. 3 , PL. II.
GOODWIN ( 1957 )
| Subject category | Comment text |
|---|---|
| Deposit | CALLED MELTON MINE IN EARLY OPERATIONS AND IN 1928 THE MIDDLE END MINE ; INFO.SRC : 1 PUB LIT |
| Deposit | VEIN, MOST OF ORE FROM MAIN OR MIDDLE END VEIN, DIPS STEEPLY, AVE 3 FT. IN THICKNESS |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-MAY-1979 | Mateik, R.; Albers, J. | 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.