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The Great Centennial Placer

Past Producer in Custer county in Idaho, United States with commodities Gold, REE, Uranium, Zirconium, Titanium, Garnet
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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. Links to other databases
  18. Bibliographic references
  19. Reporter information

Geologic information

Identification information

Deposit ID 10071000
MRDS ID W014173
MAS/MILS ID 0160370406
Record type Site
Current site name The Great Centennial Placer

Geographic coordinates

Geographic coordinates: -114.67653, 44.24909 (WGS84)
Elevation 1829

Site location context

Political divisions (FIPS codes)

Custer(county)

Idaho(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Robinson Bar(quadrangle 1:24,000 scale)

White Cloud Peaks(quadrangle 1:100,000 scale)

Challis(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Salmon(hydrologic unit)

Salmon(hydrologic accounting unit)

Lower Snake(hydrologic subregion)

Pacific Northwest(hydrologic region)

Federal lands

Sawtooth 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 Custer

Public Land Survey System information

Meridian Township Range Section Fraction State
Boise 011N 015E 27 SE Idaho

Comments on the location information

  • Located On SE Side of the Salmon River, 600 Ft W Warm Spring Creek .

Commodities

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

Materials information

Materials Type of material
Brannerite Ore
Euxenite Ore
Garnet Ore
Gold Ore
Ilmenite Ore
Monazite Ore
Zircon Ore
Augite Gangue
Biotite Gangue
Hornblende Gangue

Alteration

  • (Local) Oxidation

Host and associated rocks

  • Host or associated Host
    Rock type Unconsolidated Deposit > Gravel
    Rock unit name Alluvium-Sands, Gravels
    Rock description Alluvium-Sands, Gravels
    Stratigraphic age (youngest) Holocene
    Stratigraphic age (youngest) Holocene

Nearby scientific data

(1) -114.67653, 44.24909
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Idaho Batholith

Ore body information

  • General form IRREGULAR

Controls for ore emplacement

  • Salmon River Bed

Economic information about the deposit and operations

Operation type Placer
Development status Past Producer
Commodity type Both
Deposit size Small
Significant No
Discoverer Ebenezer Cunningham

Mining district

District name Robinson Bar District

Land status

Ownership category Private

Comments on the production information

  • $100,000 ($20/Oz)

Comments on the workings information

  • Extent of the Old Workings Is Unknown. Mining Was Done By Drifting On Bedrock Along Pay Streaks.

Comments on development

  • Econ.Com: Cost of Gathering the Gold Exceeds the Revenue Expected.

Reference information

Bibliographic references

  • Deposit

    Choate, Raoul, Geology And Ore Deposits Of The Stanley Area: Idaho Bureau Of Mines And Geology, Pamphlet 126, 120 P

  • Deposit

    1962 Geolmap Idaho Bureau Of Mines And Geology Pamphlet 126

  • Production

    Choate, Raoul, 1962, Idaho Bur. Min. & Geol. Pamphlet 126, P. 104

Reporter information

Type Date Name Affiliation Comment
Reporter 01-FEB-1975 Yett, Jay R.; Miller, Pat U.S. Geological Survey

Beyond USGS

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

Maps centered on this site