Thorpe Placer

Past Producer in Idaho county in Idaho, United States with commodities Gold, Garnet, REE, Zirconium
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. Geologic structures
  11. Ore body information
  12. Economic information about the deposit and operations
  13. Mining district
  14. Land status
  15. Links to other databases
  16. Bibliographic references
  17. Reporter information

Geologic information

Identification information

Deposit ID 10071533
MRDS ID W014978
MAS/MILS ID 0160490219
Record type Site
Current site name Thorpe Placer
Alternate or previous names Royal, Toler and Thorpe, Toler

Geographic coordinates

Geographic coordinates: -115.83268, 45.25627 (WGS84)
Elevation 1768
Relative position 4 MI ESE OF BURGDORF

Site location context

Political divisions (FIPS codes)

Idaho(county)

Idaho(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

War Eagle Mountain(quadrangle 1:24,000 scale)

Warren(quadrangle 1:100,000 scale)

Elk City(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

South Fork Salmon(hydrologic unit)

Salmon(hydrologic accounting unit)

Lower Snake(hydrologic subregion)

Pacific Northwest(hydrologic region)

Federal lands

Payette National Forest(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States Idaho Idaho

Public Land Survey System information

Meridian Township Range Section Fraction State
Boise 022N 005E 10,03 Idaho

Comments on the location information

  • Sw Side Secesh River About .5 Mile S. Of Mouth Of Grouse Creek

Commodities

Commodity Importance
Gold Primary
Garnet Tertiary
REE Critical Tertiary
Zirconium Critical Tertiary

Materials information

Materials Type of material
Cinnabar Ore
Columbite Ore
Corundum Ore
Garnet Ore
Gold Ore
Ilmenite Ore
Magnetite Ore
Monazite Ore
Rutile Ore
Zircon Ore
Quartz Gangue

Analytical data

Result BLACK SANDS CONTAIN 40% GARNET, 10% MAGNETITE, 20% MONAZITE, 0.1% AU, 10% CORUNDUM, 5% ZIRCON, 10% CINNABAR, 5% ILMENITE

Host and associated rocks

  • Host or associated Host
    Rock type Unconsolidated Deposit > Gravel
    Rock unit name Glacial Deposits-Gravels;Sand, Shale, Lignite
    Rock description Glacial Deposits-Gravels;Sand, Shale, Lignite
    Stratigraphic age (youngest) Pleistocene
    Stratigraphic age (youngest) Late Cretaceous

Nearby scientific data

(1) -115.83268, 45.25627

Economic information

Geologic structures

Type of structure Local
Structure description Minor Fault

Ore body information

  • Depth to bottom 4.57M

Comments on the geologic information

  • Tertiary Beds Dip Sw And Are The Bedrock; Gravel Consists Of Granite, Quartzite

Economic information about the deposit and operations

Operation type Surface
Development status Past Producer
Commodity type Both
Deposit size Small
Significant No

Mining district

District name Resort District

Land status

Ownership category National Forest
Area name Payette National Forest

Comments on development

  • Worked By Hydraulic Methods

Reference information

Bibliographic references

  • Deposit

    Sorenson, R., 1937, Minerals From Certain Placer Deposits In Idaho: Moscow, Idaho, Univ. Of Idaho, B. S. Thesis, 22 P.

  • Production

    Capps, S. R., 1940, Idaho Bureau Of Mines And Geology Pamphlet 52.

  • Deposit

    Capps, S. R., 1940, Gold Placers Of The Secesh Basin, Idaho County, Idaho: Idaho Bureau Of Mines And Geology Pamphlet 52, 43 P.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-DEC-1976 Siefken, Robert R. (Miller, Pat) U.S. Geological Survey
Reporter 06-JAN-1994 Ridenour, James U.S. Bureau of Mines

Beyond USGS

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