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Snowdrift Mine

Past Producer in Custer county in Idaho, United States with commodities Gold, Silver, Lead, 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 10071070
MRDS ID W014278
MAS/MILS ID 0160370268
Record type Site
Current site name Snowdrift Mine

Geographic coordinates

Geographic coordinates: -114.71013, 44.44739 (WGS84)
Elevation 2804
Relative position 24 MI WSW OF CHALLIS; 5 2/3 MI NNE 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 21 NW Idaho

Comments on the location information

  • N. Side Estes Mtn, 200 Ft. From Top.

Commodities

Commodity Importance
Gold Primary
Silver Tertiary
Lead Tertiary
Copper Tertiary

Materials information

Materials Type of material
Quartz Gangue

Alteration

  • (Local) Gouge

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Pyroclastic Rock > Tuff
    Rock unit name Challis Volcanics-Bedded Tuffs
    Rock description Challis Volcanics-Bedded Tuffs
    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) -114.71013, 44.44739
ListMap

Economic information

Ore body information

  • General form SEAMS
    Strike N 5 DEG W
    Dip 74 DEG W
    Length 12.19M
    Width 0.15M

Controls for ore emplacement

  • Fractures & Mineralized Fissure Zones

Comments on the geologic information

  • Most Production From Fissure Zone That Strikes N 10 Deg W To N 5 Deg E and Dips 74 Deg W. Other Fissures Strike N 20 - 30 Deg W and Dip 80 Deg Sw

Economic information about the deposit and operations

Operation type Underground
Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1924

Mining district

District name Yankee Fork District

Land status

Ownership category National Forest
Area name Challis National Forest

Workings at the site

  • Type of workings Underground
    Length 304.8M

Comments on the workings information

  • 4 Claims, 3 Tunnels

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. 478, P. 219.

  • Production

    Anderson, A. L., 1949, Ida. Bureau Of Mines & Geol. Pamphlet 83, P. 31.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-1976 Siefken, Robert 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