North Fork Yearian Creek Thorite Claims

Occurrence in Lemhi county in Idaho, United States with commodity Thorium
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. Alteration
  8. Host and associated rocks
  9. Nearby scientific data
  10. Geologic structures
  11. Ore body information
  12. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Mining district
  15. Land status
  16. Ownership information
  17. Workings at the site
  18. Links to other databases
  19. Bibliographic references
  20. Reporter information

Geologic information

Identification information

Deposit ID 10096398
MRDS ID W015759
MAS/MILS ID 0160590797
Record type Site
Current site name North Fork Yearian Creek Thorite Claims

Geographic coordinates

Geographic coordinates: -113.5212, 44.89819 (WGS84)
Elevation 2088
Relative position 5.25 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

Agency Creek(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

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)

Geographic areas

Country State County
United States Idaho Lemhi

Public Land Survey System information

Meridian Township Range Section Fraction State
Boise 018N 025E 08 NWSE Idaho

Comments on the location information

  • On Lower Slope Of Canyon Just S. Of Creek.

Commodities

Commodity Importance
Thorium Primary

Comments on the commodity information

  • Lode Weakly Radioactive Where Examined By Author Anderson.

Alteration

  • (Local) Bleaching

Host and associated rocks

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

Nearby scientific data

(1) -113.5212, 44.89819

Economic information

Geologic structures

Type of structure Regional
Structure name Laramide Thrust Zone

Ore body information

  • Strike N 70 DEG E
    Dip 70 DEG NW
    Width 3.05M

Controls for ore emplacement

  • Fracture Zone

Comments on the geologic information

  • Original Structures entry:
    Regional - Broad Se-Trending Laramide Thrust Zone
  • Original tectonic setting entry:
    Edge Of Cratonic Shelf Or Hinge Belt
  • Original concentration process entry:
    Hydrothermal Activity
  • Original alteration entry:
    Local - Bleaching
  • Original ore control entry:
    Bleached (Fractured ?) Zone

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No
Discoverer Carroll Wells

Mining district

District name Mcdevitt District

Land status

Ownership category BLM Administrative Area

Ownership information

  • Type Owner
    Owner Carroll Wells

Workings at the site

  • Type of workings Surface
    Overall length 30.48M

Reference information

Bibliographic references

  • Deposit

    Anderson, A. L., 1961, Geology And Mineral Resources Of The Lemhi Quadrangle, Lemhi County, Idaho: Idaho Bureau Of Mines And Geology Pamphlet 124, 111 P

  • Deposit

    V.E. Mitchell, Et. Al; Mines And Prospects Map Series, 1981, Dubois Quad, Location No. 126

Reporter information

Type Date Name Affiliation Comment
Reporter 01-SEP-1974 Miller, Pat J. U.S. Geological Survey
Reporter 14-NOV-1983 Western Field Operations Center (WFOC) U.S. Bureau of Mines

Beyond USGS

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