Snowdrift Mine

Past Producer in Silver Bow county in Montana, United States with commodities Silver, Manganese, Gold, Antimony
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. Host and associated rocks
  9. Nearby scientific data
  10. Geologic structures
  11. Ore body information
  12. Economic information about the deposit and operations
  13. Mining district
  14. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10019565
MRDS ID DC10832
Record type Site
Current site name Snowdrift Mine

Geographic coordinates

Geographic coordinates: -112.54533, 46.03879 (WGS84)
Location accuracy 500(meters)
Relative position ON THE S SIDE OF ORO FINO GULCH, NEAR ITS HEAD.

Site location context

Political divisions (FIPS codes)

Silver Bow(county)

Montana(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Butte North(quadrangle 1:24,000 scale)

Butte North(quadrangle 1:100,000 scale)

Butte(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Clark Fork(hydrologic unit)

Pend Oreille(hydrologic accounting unit)

Kootenai-Pend Oreille-Spokane(hydrologic subregion)

Pacific Northwest(hydrologic region)

Geographic areas

Country State County
United States Montana Silver Bow

Public Land Survey System information

Meridian Township Range Section Fraction State
Montana Principal 003N 008W 01 W2 OF SW Montana

Commodities

Commodity Importance
Silver Primary
Manganese Critical Primary
Gold Secondary
Antimony Critical Tertiary

Materials information

Materials Type of material
Galena Ore
Gold Ore
Rhodonite Ore
Sphalerite Ore
Tetrahedrite Ore
Calcite Gangue
Limonite Gangue
Pyrite Gangue
Quartz Gangue

Analytical data

Result RICH ORE RUNS 100 OZ/TON.

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Quartz Monzonite
    Rock unit name Butte Quartz Monzonite (Boulder Batholith)
    Rock description Butte Quartz Monzonite (Boulder Batholith)
    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) Granitic rock

Economic information

Geologic structures

Type of structure Regional
Structure description Boulder Batholith

Ore body information

  • Dip 70N

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Butte District

Comments on the production information

  • PRODUCTION WAS RECORDED IN 1922.

Reference information

Bibliographic references

  • Deposit

    USGS PP 74, PL. 248-49, PL. X.

  • Deposit

    MBMG BULL 10, P. 67.

  • Deposit

    USGS-USBM MINERAL YEARBOOK, 1922

  • Production

    USGS-USBM MINERAL YEARBOOK

General comments

Subject category Comment text
Deposit A FAULT FISSURE WITH A N45E STRIKE AND A DIP OF 60 NW (FROM THE RARUS SERIES) CUTS THROUGH THE VEIN AND DISPLACES IT FOR 25-40 FEET.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-1974 Unknown U.S. Geological Survey
Updater 01-JAN-1983 Wise, Kristine K. (Elliott, James E.) U.S. Geological Survey

Beyond USGS

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