Duncan Mine

Past Producer in Idaho county in Idaho, United States with commodities Copper, Gold, Silver
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. 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 10070214
MRDS ID W012965
MAS/MILS ID 0160490353
Record type Site
Current site name Duncan Mine
Alternate or previous names Great Western Mine, Great Eastern

Geographic coordinates

Geographic coordinates: -116.52791, 45.52627 (WGS84)
Elevation 671
Relative position 12 MI. N. W. OF RIGGINS.

Site location context

Political divisions (FIPS codes)

Idaho(county)

Idaho(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Temperance Creek(quadrangle 1:24,000 scale)

Grangeville(quadrangle 1:100,000 scale)

Grangeville(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Hells Canyon(hydrologic unit)

Lower Snake(hydrologic accounting unit)

Lower Snake(hydrologic subregion)

Pacific Northwest(hydrologic region)

Federal lands

Wallowa-Whitman 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 025N 002W 01,12 SWSESE (01) Idaho

Comments on the location information

  • Within 1/2 Mi. Of Snake River And About 800 Ft. Above Water Level. Land Status Value Calculated 7-94 Using GIS Overlay Analysis With USFS Land Ownership Boundaries, 1:126,720 Scale.

Commodities

Commodity Importance
Copper Primary
Gold Tertiary
Silver Tertiary

Materials information

Materials Type of material
Chalcocite Ore
Chalcopyrite Ore
Malachite Ore
Pyrite Gangue

Alteration

  • (Local) Bleached, Sericitization, Silicification, Pyritization

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Pyroclastic Rock > Tuff
    Stratigraphic age (youngest) Late Permian
    Stratigraphic age (youngest) Late Permian
    Stratigraphic age (youngest) Late Permian
  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite
    Rock unit name Seven Devils Volcanics-Andesite, Tuff
    Rock description Seven Devils Volcanics-Andesite, Tuff
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Pyroclastic Rock > Tuff
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite

Nearby scientific data

(1) -116.52791, 45.52627

Economic information

Ore body information

  • General form IRREGULAR

Controls for ore emplacement

  • Fractures ; Planes Of Schistosity

Comments on the geologic information

  • Rocks Strike N. 30 - 50 Deg. E. And Dip 38 - 45 Deg. S.E.

Economic information about the deposit and operations

Operation type Underground
Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1900

Mining district

District name Crooks Corral District

Land status

Ownership category National Forest
Area name Nez Perce National Forest

Ownership information

  • Type Owner-Operator
    Owner Duncan, Asa
    First year 1945

Comments on the production information

  • In 1913 Several Shipments Of Ore With 10 - 20% Cu. Reported.

Workings at the site

  • Type of workings Surface/Underground
    Length 365.76M

Comments on the workings information

  • Open Cuts And Adits.

Reference information

Bibliographic references

  • Deposit

    WAGNER, W. R., 1945, A GEOLOGICAL RECONNAISSANCE BETWEEN THE SNAKE AND SALMON RIVERS NORTH OF RIGGINS, ID: IDAHO BUREAU OF MINES AND GEOLOGY PAMPHLET 74, 16 P

  • Production

    WAGNER, W. R., 1945, ID. BUREAU OF MINES AND GEOL., PAMPHLET 74

Reporter information

Type Date Name Affiliation Comment
Reporter 01-FEB-1975 Murphy, Lyn S.; Miller, Pat U.S. Geological Survey
Reporter 20-MAR-1989 Ridenour, James U.S. Bureau of Mines

Beyond USGS

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