| Deposit ID | 10014245 |
|---|---|
| MRDS ID | D010930 |
| Record type | Site |
| Current site name | Crucible Mine |
| Alternate or previous names | Patented Claim: Crucible No. 1, Ms 19702 |
| Geographic coordinates: | -107.98926, 37.99722 (WGS84) |
|---|---|
| Elevation | 2499 |
| Location accuracy | 500(meters) |
| Relative position | 10.3 MILES N 68 W FROM TELLURIDE |
Political divisions (FIPS codes)
San Miguel(county)
Colorado(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Gray Head(quadrangle 1:24,000 scale)
Silverton(quadrangle 1:100,000 scale)
Durango(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
San Miguel(hydrologic unit)
Upper Colorado-Dolores(hydrologic accounting unit)
Upper Colorado-Dolores(hydrologic subregion)
Upper Colorado(hydrologic region)
Federal lands
Bureau of Land Management(Bureau of Land Management CO)
Bureau of Land Management CO BLM(Type of land area)
BLM(Federal land areas administered by BLM)
| Country | State | County |
|---|---|---|
| United States | Colorado | San Miguel |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| New Mexico | 043N | 010W | 08 | S2 | Colorado |
| Commodity | Importance |
|---|---|
| Vanadium Critical | Primary |
| Uranium | Primary |
| Host or associated | Associated | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Rock type | Plutonic Rock > Mafic Intrusive Rock > Gabbro | ||||||||
| Rock unit name | Porphyritic Microgabbro | ||||||||
| Rock description | Porphyritic Microgabbro | ||||||||
| |||||||||
| Host or associated | Host |
|---|---|
| Rock type | Sedimentary Rock > Clastic Sedimentary Rock > Sandstone |
| Rock unit name | Entrada Sandstone |
| Rock description | Entrada Sandstone |
| (1) | -107.98926, 37.99722 |
|---|
| Type of structure | Regional |
|---|---|
| Structure description | Paradox Basin, Uncompahgre Uplift, San Juan Volcanic Field, San Miguel Mtns |
| Type of structure | Local |
| Structure description | Gray Head Fault, Unnamed Fault, Gray Head Laccolith |
| Development status | Past Producer |
|---|---|
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| Discovery year | 1915 |
| Discoverer | Crucible Steel Mining And Milling Co. (Claimant) |
| District name | Lower San Miguel District |
|---|
| Ownership category | Private |
|---|
| Year | 1971 | |||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Period | -1971 | |||||||||||||||||||||
| Description | Cp_Grade: ^1.58% V205, 0.07% U308 | |||||||||||||||||||||
| ||||||||||||||||||||||
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | D010930 |
FISCHER, R.P., AND OTHERS, 1947, VANADIUM DEPOSITS NEAR PLACERVILLE, SAN MIGUEL COUNTY, COLORADO: COLORADO SCI. SOC. PROC., V. 15, NO. 3, P. 117-146.
BUSH, A.L., AND OTHERS, 1961, PRELIMINARY GEOLOGIC MAP OF THE GRAY HEAD QUADRANGLE, SAN MIGUEL COUNTY, COLORADO: USGS MAP MF-176.
BLM MINERAL SURVEY MS 19702
NELSON-MOORE AND OTHERS, 1978, P. 413
| Subject category | Comment text |
|---|---|
| Deposit | BEDS CUT BY NW-TRENDING GRAY HEAD FAULT WEST OF MINE AND BY MORE NW-TRENDING BRANCH FAULT SW OF MINE. VANADIUM DEPOSIT IN ENTRADA SANDSTONE LIES NEAR NE MARGIN OF SMALL MINERALIZED BELT WITHIN NE-CONCAVE CURVE OF LARGER PRINCIPAL MINERALIZED BELT. |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-NOV-1983 | 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.