| Deposit ID | 10014200 |
|---|---|
| MRDS ID | D010869 |
| Record type | Site |
| Current site name | Silver Star Extension Mine |
| Related records | 10239837 |
| Geographic coordinates: | -107.77758, 37.61029 (WGS84) |
|---|---|
| Elevation | 2896 |
| Location accuracy | 100(meters) |
| Relative position | 14.9 MILES S 25 W FROM SILVERTON |
Political divisions (FIPS codes)
La Plata(county)
Colorado(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Electra Lake(quadrangle 1:24,000 scale)
Silverton(quadrangle 1:100,000 scale)
Durango(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Animas(hydrologic unit)
Upper San Juan(hydrologic accounting unit)
San Juan(hydrologic subregion)
Upper Colorado(hydrologic region)
Federal lands
San Juan National Forest(National Forest)
National Forest FS(Type of land area)
FS(Federal land areas administered by FS)
| Country | State | County |
|---|---|---|
| United States | Colorado | La Plata |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| New Mexico | 039N | 008W | 31 | NE | Colorado |
| Commodity | Importance |
|---|---|
| Silver | Primary |
| Copper | Tertiary |
| Materials | Type of material |
|---|---|
| Pyrite | Ore |
| Limonite | Gangue |
| Quartz | Gangue |
| Result | LIMONIT-STAINED QUARTZ AND PYRITE SAMPLE FROM ORE PILE AT BASE OF SLOPE CONTAINED 0.6 OZ/TON AG AND 0.01% CU. LIMONITE-STAINED QUARTZ AND PYRITE SAMPLE FROM DUMP AT PORTAL CONTAINED 0.2 OZ/TON AG. |
|---|
| Model code | 85 |
|---|---|
| USGS model code | 22c |
| Deposit model name | Polymetallic veins |
| Mark3 model number | 46 |
| Host or associated | Host | ||||
|---|---|---|---|---|---|
| Rock type | Metamorphic Rock > Gneiss | ||||
| Rock unit name | Twilight Gneiss | ||||
| Rock description | Twilight Gneiss | ||||
| |||||
| (1) | -107.77758, 37.61029 |
|---|
| Type of structure | Regional |
|---|---|
| Structure description | San Juan Uplift |
| Type of structure | Local |
| Structure description | Needle Mtns Uplift |
| Development status | Past Producer |
|---|---|
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| Year of last production | 1925 |
| District name | Cascade District |
|---|
| Ownership category | National Forest |
|---|---|
| Area name | San Juan N. F. |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | D010869 | |
| U.S. Bureau of Mines | Minerals Availability System | MAS | 0080670267 |
SCOTT, D.C., 1983, MINERAL INVESTIGATION OF THE WEST NEEDLE WILDERNESS STUDY AREA AND THE BLM WEST NEEDLE CONTIGUOUS WILDERNESS STUDY AREA, LA PLATA AND SAN JUA COUNTIES, COLORADO: USBM MLA 35-83, P. 7, 19.
CROSS, WHITMAN, AND HOLE, A.D., 1910, DESCRIPTION OF THE ENGINEER MOUNTAIN QUADRANGLE: USGS FOLIO 171.
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-AUG-83 | Schwochow, Stephen D. | Colorado 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.