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  3. Mineral Resource Data System (MRDS)

Sylvanite Gold - Copper Prospect

Occurrence in Idaho county in Idaho, United States with commodities Gold, Copper
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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. Ore body information
  12. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Mining district
  15. Land status
  16. Workings at the site
  17. Links to other databases
  18. Bibliographic references
  19. Reporter information

Geologic information

Identification information

Deposit ID 10070193
MRDS ID W012932
Record type Site
Current site name Sylvanite Gold - Copper Prospect

Geographic coordinates

Geographic coordinates: -116.0063, 45.92547 (WGS84)
Elevation 640
Relative position 5 1/2 MI. E. OF GRANGEVILLE.

Site location context

Political divisions (FIPS codes)

Idaho(county)

Idaho(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Grangeville East(quadrangle 1:24,000 scale)

Grangeville(quadrangle 1:100,000 scale)

Grangeville(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

South Fork Clearwater(hydrologic unit)

Clearwater(hydrologic accounting unit)

Lower Snake(hydrologic subregion)

Pacific Northwest(hydrologic region)

Geographic areas

Country State County
United States Idaho Idaho

Public Land Survey System information

Meridian Township Range Section Fraction State
Boise 030N 004E 19 Idaho

Comments on the location information

  • About 1 1/2 Mi Below The Dewey On S. Fk. Of Clearwater River.

Commodities

Commodity Importance
Gold Primary
Copper Tertiary

Materials information

Materials Type of material
Chalcopyrite Ore
Pyrite Gangue
Quartz Gangue

Alteration

  • (Local) Silicification

Host and associated rocks

  • Host or associated Associated
    Rock type Metamorphic Rock > Metavolcanic Rock > Mafic Metamorphic Rock > Greenstone
    Rock unit name Andesite; Altered Greenstones
    Rock description Andesite; Altered Greenstones
    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
  • Host or associated Host
    Rock type Metamorphic Rock > Metavolcanic Rock > Mafic Metamorphic Rock > Greenstone
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite

Nearby scientific data

(1) -116.0063, 45.92547
ListMap

Economic information

Ore body information

  • Strike N. 10 DEG. E.
    Dip 30 DEG. S.E.

Controls for ore emplacement

  • Fissure Zone

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Harpster District

Land status

Ownership category Private

Workings at the site

  • Type of workings Underground
    Length 173.74M

Reference information

Bibliographic references

  • Deposit

    Anderson, A.L., 1956, The Geology And Mineral Resources Of The Region About Orofino, Idaho: Idaho Bureau Of Mines And Geology Pamphlet 34, 63 P

Reporter information

Type Date Name Affiliation Comment
Reporter 01-NOV-1974 Miller, Pat J. 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