| Deposit ID | 10072013 |
|---|---|
| MRDS ID | W015820 |
| MAS/MILS ID | 0160590791 |
| Record type | Site |
| Current site name | Thorite No. 1 Prospect |
| Alternate or previous names | Saddlerock |
| Geographic coordinates: | -113.4742, 44.90739 (WGS84) |
|---|---|
| Elevation | 2774 |
| Relative position | 8.5 MI NE OF LEMHI |
Political divisions (FIPS codes)
Lemhi(county)
Idaho(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Lemhi Pass(quadrangle 1:24,000 scale)
Leadore(quadrangle 1:100,000 scale)
Dubois(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Red Rock(hydrologic unit)
Missouri Headwaters(hydrologic accounting unit)
Missouri Headwaters(hydrologic subregion)
Missouri(hydrologic region)
Federal lands
Bureau of Land Management(Bureau of Land Management ID)
Bureau of Land Management ID BLM(Type of land area)
BLM(Federal land areas administered by BLM)
| Country | State | County |
|---|---|---|
| United States | Idaho | Lemhi |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Boise | 018N | 025E | 10 | SWNWNE | Idaho |
| Commodity | Importance |
|---|---|
| Thorium | Primary |
| REE Critical | Tertiary |
| Materials | Type of material |
|---|---|
| Thorite | Ore |
| Apatite | Gangue |
| Goethite | Gangue |
| Magnetite | Gangue |
| Muscovite | Gangue |
| Pyrite | Gangue |
| Quartz | Gangue |
| Result | 1 CHIP SAMPLE HAD 0.14% THO2 |
|---|---|
| Result | ANOTHER SAMPLE ASSAYED 0.111% RAE OXIDES, 0.117% THO2, AND 0.95% COMBINED RAE AND TH OXIDES |
| Host or associated | Host | ||||
|---|---|---|---|---|---|
| Rock type | Metamorphic Rock > Metasedimentary Rock > Quartzite | ||||
| Rock unit name | Belt Supergroup | ||||
| Rock description | Belt Supergroup-Quartzite | ||||
| |||||
| (1) | -113.4742, 44.90739 |
|---|
| Strike | N 45 DEG W |
|---|---|
| Dip | 85 DEG NE |
| Thickness | 0.27M |
| Length | 91.44M |
| Development status | Occurrence |
|---|---|
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| District name | Lemhi Pass Area |
|---|
| Ownership category | BLM Administrative Area |
|---|
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | W015820 | |
| Idaho Geological Survey | Idaho Mines and Prospects | IMP | DU_109 | http://www.idahogeology.org/ |
| U.S. Bureau of Mines | Minerals Availability System | MAS | 0160590791 | data consolidated into this record |
Staatz, M. H., 1972, Geology And Description Of Thorium-Bearing Veins, Lemhi Pass Quadrangle, Idaho And Montana: USGS Bulletin 1351, 94 P., Table 2, P. 74, Plate 1.
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-JUL-1976 | Siefken, Robert R. (Miller, Pat) | U.S. Geological Survey | |
| Reporter | 17-MAR-1989 | Ridenour, James | U.S. Bureau of Mines |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.