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  2. Online Spatial Data
  3. Mineral Resource Data System (MRDS)

South Fork Yearian Creek Thorite Claims

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

Geologic information

Identification information

Deposit ID 10071960
MRDS ID W015750
MAS/MILS ID 0160590250
Record type Site
Current site name South Fork Yearian Creek Thorite Claims
Alternate or previous names Thorite No. 7 Claim

Geographic coordinates

Geographic coordinates: -113.5217, 44.87879 (WGS84)
Elevation 1996
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 20 N2NW Idaho

Comments on the location information

  • On N Side Of S Fork Of Yearian Creek

Commodities

Commodity Importance
Thorium Primary

Comments on the commodity information

  • Weak Radioactivity

Materials information

Materials Type of material
Actinolite Gangue
Quartz Gangue

Alteration

  • (Local) Sericitization

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) -113.5217, 44.87879
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Broad Se - Trending Laramide Thrust Zone

Ore body information

  • Width 3.05M

Controls for ore emplacement

  • Fracture Zone
  • Shear Zone

Comments on the geologic information

  • Original tectonic setting entry:
    At Edge Of Cratonic Shelf Or Hinge Belt
  • Original concentration process entry:
    Hydrothermal Activity
  • Original ore control entry:
    Fracture Zone, Shear Zone

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1958
Discoverer Carroll Wells

Mining district

District name Mcdevitt District

Land status

Ownership category BLM Administrative Area

Ownership information

  • Type Owner
    Owner Carroll Wells

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

Reporter information

Type Date Name Affiliation Comment
Reporter 01-SEP-1974 Miller, Pat J. U.S. Geological Survey
Reporter 13-MAR-1995 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.

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