| Deposit ID | 10014404 |
|---|---|
| MRDS ID | D011156 |
| Record type | Site |
| Current site name | Unnamed Thorium Prospects |
| Geographic coordinates: | -107.23174, 38.36139 (WGS84) |
|---|---|
| Elevation | 2603 |
| Relative position | 20.15 MILES S 52 W FROM GUNNISON |
Political divisions (FIPS codes)
Gunnison(county)
Colorado(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Gateview(quadrangle 1:24,000 scale)
Montrose(quadrangle 1:100,000 scale)
Montrose(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Upper Gunnison(hydrologic unit)
Gunnison(hydrologic accounting unit)
Gunnison(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 | Gunnison |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| New Mexico | 047N | 003W | 04 | NW OF NE OF NW OF NW | Colorado |
| Commodity | Importance |
|---|---|
| Thorium | Primary |
| Materials | Type of material |
|---|---|
| Thorite | Ore |
| Ankerite | Gangue |
| Apatite | Gangue |
| Barite | Gangue |
| Calcite | Gangue |
| Dolomite | Gangue |
| Fluorite | Gangue |
| Goethite | Gangue |
| Hematite | Gangue |
| Quartz | Gangue |
| Siderite | Gangue |
| Host or associated | Associated | ||||||
|---|---|---|---|---|---|---|---|
| Rock type | Plutonic Rock > Granitoid > Granite | ||||||
| Rock unit name | Powderhorn Granite;Quartz Vein;Sapinero Mesa Tuff | ||||||
| Rock description | Powderhorn Granite;Quartz Vein;Sapinero Mesa Tuff | ||||||
| |||||||
| Host or associated | Host |
|---|---|
| Rock type | Metamorphic Rock > Schist |
| Rock unit name | Black Canyon Schist |
| Rock description | Black Canyon Schist |
| (1) | -107.23174, 38.36139 |
|---|
| Type of structure | Regional |
|---|---|
| Structure description | Gunnison Uplift, San Juan Volcanic Field |
| Type of structure | Local |
| Structure description | Gunnison Gold Belt, Iron Hill Alkalic Complex, Cimarron Fault, Tolvar Peak Stock |
| Development status | Occurrence |
|---|---|
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| District name | Marion-Vanguard Area |
|---|
| Ownership category | BLM Administrative Area |
|---|
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | D011156 |
OLSON, J.C., AND HEDLUND, D.C., 1973, GEOLOGIC MAP OF THE GATEVIEW QUADRANGLE, GUNNISON COUNTY, COLORADO: USGS MAP GQ-1071.
HEDLUND, D.C., AND OLSON, J.C., 1961, FOUR ENVIRONMENTS OF THORIUM-, NIOBIUM-, AND RARE-EARTH-BEARING MINERALS IN THE POWDERHORN DISTRICT OF SOUTHWESTERN COLORADO: USGS PROF. PAPER 424-B, P. B283-B286.
| Subject category | Comment text |
|---|---|
| Deposit | THORIUM VEINS IN THIS AREA ARE ONE OF FOUR ENVIRONMENTS OF THE OCCURRENCE KNOWN IN POWDERHORN-IRON HILL AREA AND ARE PROBABLY RELATED TO EMPLACEMENT OF LATE PRECAMBRIAN SYENITES NORTH AND WEST OF IRON HILL AND OF YOUNGER LATE PRECAMBRIAN OR CAMBRIAN CARBONATITES AT IRON HILL. FOLIATION IN BLACK CANYON SCHIST COUNTRY ROCK TRENDS GENERALLY N 48 TO 54 E, 75 TO 80 NW. FAULT TRENDING N 60 W CUTS FOLIATION AND SUBPARALLEL LAYER OF AMPHIBOLITE AND HORNBLENDE SCHIST AND AT EACH END IS MAPPED AS QUARTZ VEINS ON WHICH PROSPECTS DEVELOPED. SE EXTENSION OF VEIN COVERED BY OLIGOCENE TUFF. |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-JAN-1984 | 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.