Greenback Mine

Past Producer in Custer county in Idaho, United States with commodities Gold, Silver, Lead
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. 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 10071147
MRDS ID W014381
MAS/MILS ID 0160370121
Record type Site
Current site name Greenback Mine
Alternate or previous names Greenback Prospects, Duquette Mine

Geographic coordinates

Geographic coordinates: -115.10284, 44.18098 (WGS84)
Elevation 2499
Relative position 8.5 MI WSW OF STANLEY

Site location context

Political divisions (FIPS codes)

Custer(county)

Idaho(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Stanley Lake(quadrangle 1:24,000 scale)

Deadwood River(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 010N 012E 18,19 Idaho

Comments on the location information

  • Mine Is About A Mile North of Observation Peak At An Elevation of About 2499 Meters. Samples Contained Trace Amounts of Gold and Silver.

Commodities

Commodity Importance
Gold Primary
Silver Tertiary
Lead Tertiary

Materials information

Materials Type of material
Limonite Gangue
Pyrite Gangue
Quartz Gangue

Alteration

  • (Local) Kaolinization
  • (Local) PYRITIZATION

Analytical data

Result SAMPLES FOUND AU TRACE - .01 OZ/TON AND AG TRACE - 1.6 OZ./TON.

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Quartz Monzonite
    Rock unit name Idaho Batholith-Leucocratic Quartz Monzonite
    Rock description Idaho Batholith-Leucocratic Quartz Monzonite
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous
  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Quartz Monzonite

Nearby scientific data

(1) -115.10284, 44.18098

Economic information

Geologic structures

Type of structure Local
Structure description Gouge

Ore body information

  • General form IRREGULAR LENS
    Strike N
    Dip W
    Thickness 4.88M
    Length 914.4M

Economic information about the deposit and operations

Operation type Surface-Underground
Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1903
Discoverer H.G. Trainoff, J.C. Olsen In 1948

Mining district

District name Stanley District

Land status

Ownership category National Forest
Area name Challis National Forest
Ownership category National Forest
Area name Challis National Forest

Ownership information

  • Type Operator
    Owner Greenback Mining Co. ( 1949 )

Workings at the site

  • Type of workings Surface/Underground
    Overall depth 27.43M

Comments on the workings information

  • Development Consists of 1 Shaft, 1 Main Adit, 2 Short Caved Adits, Several Prospect Pits

Comments on development

  • 11 Patented Claims

Reference information

Bibliographic references

  • Deposit

    Kiilsgaard, T. H., And Others, 1970, Mineral Resources Of The Sawtooth Primitive Area, Idaho: USGS Bulletin 1319-D, 174p.

  • Deposit

    U.S. Bureau Of Mines Open-File Report MLA 9-92, 1992, P. 39-46.

  • Deposit

    U S Forest Service Planemetric Map Challis Nat Forest 1965

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1976 Siefken, Robert R. (Miller, Pat) U.S. Geological Survey
Reporter 14-NOV-1983 Western Field Operations Center (WFOC) U.S. Bureau of Mines
Reporter 06-NOV-1992 Peters U.S. Bureau of Mines

Beyond USGS

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

External references