| Deposit ID | 10014217 |
|---|---|
| MRDS ID | D010889 |
| Record type | Site |
| Current site name | Unnamed Prospects |
| Geographic coordinates: | -107.76397, 37.70168 (WGS84) |
|---|---|
| Elevation | 3048 |
| Relative position | 9 MILES S 37 W FROM SILVERTON |
Political divisions (FIPS codes)
San Juan(county)
Colorado(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Engineer Mountain(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 | San Juan |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| New Mexico | 040N | 008W | 29 | W2 OF SE | Colorado |
| Commodity | Importance |
|---|---|
| Silver | Primary |
| Copper | Primary |
| Lead | Primary |
| Materials | Type of material |
|---|---|
| Barite | Gangue |
| Calcite | Gangue |
| Dolomite | Gangue |
| Epidote | Gangue |
| Hematite | Gangue |
| Limonite | Gangue |
| Malachite | Gangue |
| Result | SCOTT'S (1983) SAMPLES OF FE-STAINED LIMESTONE FROM SOUTH PROSPECTS CONTAINED 0.2 OZ/TON AG. LIMESTONE SAMPLES CONTAINING GALENA, BARITE, AND CU CARBONATES CONTAINED 0.7 TO 1.5 OZ/TON AG, 0.12 TO 0.55% PB, 0.02 TO 0.03% CU. |
|---|
| Model code | 85 |
|---|---|
| USGS model code | 22c |
| Deposit model name | Polymetallic veins |
| Mark3 model number | 46 |
| Host or associated | Associated | ||||
|---|---|---|---|---|---|
| Rock type | Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Trachyte | ||||
| Rock unit name | Quartz Trachyte | ||||
| Rock description | Quartz Trachyte | ||||
| |||||
| Host or associated | Host |
|---|---|
| Rock type | Sedimentary Rock > Carbonate > Limestone |
| Rock unit name | Ouray Limestone;Leadville Limestone |
| Rock description | Ouray Limestone;Leadville Limestone |
| (1) | -107.76397, 37.70168 |
|---|
| Type of structure | Regional |
|---|---|
| Structure description | San Juan Uplift |
| Type of structure | Local |
| Structure description | Needle Mtns Uplift, Unnamed Faults, Unnamed Syncline |
| Development status | Occurrence |
|---|---|
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| District name | Engineer Mountain Area |
|---|
| Ownership category | National Forest |
|---|---|
| Area name | San Juan N. F. |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | D010889 |
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 JUAN COUNTIES, COLORADO: USBM MLA 35-83, P. 21.
CROSS, WHITMAN, AND HOLE, A.D., 1910, DESCRIPTION OF THE ENGINEER MOUNTAIN QUADRANGLE: USGS FOLIO 171.
| Subject category | Comment text |
|---|---|
| Deposit | NW-TRENDING UNCOMPAHGRE FM (PRECAMBRIAN) QUARTZITES AND SLATES LIE IN FAULT CONTACT WITH FOLDED PALEOZOIC LIMESTONES. FAULTS APPARENTLY DIE OUT TO NW INTO FOLDS IN PALEOZOIC SECTION. NORTH PROSPECTS LIE ON N 36 W-TRENDING FAULT; SOUTH PROSPECTS LIE IN SYNCLINE NORTH OF N 66 W-TRENDING FAULT. |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-AUG-1983 | Schwochow, Stephen D. | Colorado Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.
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