Big Thor Nos. 1 and 2 Vein Prospect

Occurrence in Lemhi county in Idaho, United States with commodities Thorium, REE, Titanium
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Public Land Survey System information
  6. Commodities
  7. Materials information
  8. Host and associated rocks
  9. Nearby scientific data
  10. Ore body information
  11. Economic information about the deposit and operations
  12. Mining district
  13. Land status
  14. Links to other databases
  15. Bibliographic references
  16. Reporter information

Geologic information

Identification information

Deposit ID 10072012
MRDS ID W015819
Record type Site
Current site name Big Thor Nos. 1 and 2 Vein Prospect
Related records 10266297

Geographic coordinates

Geographic coordinates: -113.4933, 44.8933 (WGS84)
Elevation 2609
Relative position 7 MI NE OF LEMHI

Site location context

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)

Lemhi(hydrologic unit)

Salmon(hydrologic accounting unit)

Lower Snake(hydrologic subregion)

Pacific Northwest(hydrologic region)

Federal lands

ST(Federal land areas administered by ST)

Geographic areas

Country State County
United States Idaho Lemhi

Public Land Survey System information

Meridian Township Range Section Fraction State
Boise 018N 025E 16 Idaho

Commodities

Commodity Importance
Thorium Primary
REE Critical Primary
Titanium Critical Primary

Materials information

Materials Type of material
Monazite Ore
Rutile Ore
Thorite Ore
Apatite Gangue
Biotite Gangue
Goethite Gangue
Magnetite Gangue
Microcline Gangue
Muscovite Gangue
Pyrite Gangue
Quartz Gangue

Analytical data

Result 1 CHIP SAMPLE HAD 3.03% THO2

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Quartzite
    Rock unit name Belt Supergroup
    Rock description Belt Supergroup-Quartzite
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoproterozoic

Nearby scientific data

(1) Lemhi Group.

Economic information

Ore body information

  • Thickness 0.09M
    Length 38.1M

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Lemhi Pass Area

Land status

Ownership category State

Comments on the workings information

  • 5 PROSPECT PITS

Reference information

Bibliographic references

  • Deposit

    STAATZ, M. H., 1972, GEOLOGY AND DESCRIPTION OF THORIUM-BEARING VEINS, LEMHI COUNTY QUADRANGLE, IDAHO AND MONTANA: USGS BULL. 1351, 94 P

  • Deposit

    1972 GEOLMAP STAATZ, M. H., BULL 135

Reporter information

Type Date Name Affiliation Comment
Reporter 1976-07-01 Siefken, Robert R. (Miller, Pat) U.S. Geological Survey

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.