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  3. Mineral Resource Data System (MRDS)

Mountain Chief Mine

Prospect in Custer county in Idaho, United States with commodities Gold, Silver
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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. Links to other databases
  17. Bibliographic references
  18. Reporter information

Geologic information

Identification information

Deposit ID 10071064
MRDS ID W014267
MAS/MILS ID 0160370259
Record type Site
Current site name Mountain Chief Mine
Alternate or previous names Mountain Chief Prospect

Geographic coordinates

Geographic coordinates: -114.71153, 44.45379 (WGS84)
Elevation 2774
Relative position 24 MI W OF CHALLIS; 5 7/8 MI N OF BONANZA

Site location context

Political divisions (FIPS codes)

Custer(county)

Idaho(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Custer(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

Salmon-Challis 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 013N 015E 16 Idaho

Comments on the location information

  • Just N. Snowdrift.

Commodities

Commodity Importance
Gold Primary
Silver Tertiary

Materials information

Materials Type of material
Quartz Gangue

Alteration

  • (Local) Fe Stains

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Pyroclastic Rock > Tuff
    Rock unit name Challis Volcanics-Andesitic Tuff
    Rock description Challis Volcanics-Andesitic Tuff
    Stratigraphic age (youngest) Oligocene
    Stratigraphic age (youngest) Oligocene
    Stratigraphic age (youngest) Oligocene
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Pyroclastic Rock > Tuff

Nearby scientific data

(1) -114.71153, 44.45379
ListMap

Economic information

Ore body information

  • Width 0.3M

Controls for ore emplacement

  • Fissure

Comments on the geologic information

  • Fissure Strikes N 30 Deg E and Dips 70 Deg SE.

Economic information about the deposit and operations

Operation type Surface
Development status Prospect
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Yankee Fork District

Land status

Ownership category National Forest
Area name Challis National Forest

Comments on the workings information

  • Cuts

Reference information

Bibliographic references

  • Deposit

    Anderson, A. L., 1949, Silver - Gold Deposits Of The Yankee Fork District, Custer County, Idaho: Idaho Bureau Of Mines And Geology Pamphlet 83, 37 P

  • Deposit

    U.S. Bureau Of Mines Open-File Report MLA 6-91, 1991, Table A-3, No. 481, P. 220.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-1976 Siefken, Robert R. (Miller, Pat) U.S. Geological Survey
Reporter 05-NOV-1992 McHugh, Edward L. U.S. Bureau of Mines

Beyond USGS

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

Maps centered on this site