Snowshoe Mine

Producer in Lincoln county in Montana, United States with commodities Silver, Lead, Gold, Copper, Zinc
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. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Mining district
  15. Ownership information
  16. Production statistics
  17. Workings at the site
  18. Links to other databases
  19. Bibliographic references
  20. General comments
  21. Reporter information

Geologic information

Identification information

Deposit ID 10071382
MRDS ID W014727
Record type Site
Current site name Snowshoe Mine
Related records 10294634

Geographic coordinates

Geographic coordinates: -115.6452, 48.20487 (WGS84)
Elevation 1393
Relative position ABOUT 14 MILES S - SW OF LIBBY, MONTANA

Site location context

Political divisions (FIPS codes)

Lincoln(county)

Montana(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Snowshoe Peak(quadrangle 1:24,000 scale)

Libby(quadrangle 1:100,000 scale)

Kalispell(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Middle Kootenai(hydrologic unit)

Kootenai(hydrologic accounting unit)

Kootenai-Pend Oreille-Spokane(hydrologic subregion)

Pacific Northwest(hydrologic region)

Federal lands

Kootenai 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 Montana Lincoln

Public Land Survey System information

Meridian Township Range Section Fraction State
Montana Principal 028N 032W 11 Montana

Commodities

Commodity Importance
Silver Primary
Lead Primary
Gold Secondary
Copper Secondary
Zinc Critical Secondary

Materials information

Materials Type of material
Chalcopyrite Ore
Pyrite Ore
Sphalerite Ore
Clay Gangue
Quartz Gangue
Siderite Gangue

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Quartz Monzonite
    Rock unit name Dry Creek Stock, Quartz Monzonite
    Rock description Dry Creek Stock, Quartz Monzonite
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Neoproterozoic
  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Quartzite
    Rock unit name Ravalli Group, Argillite & Quartzite;Wallace Formation, Shale & Limestone
    Rock description Ravalli Group, Argillite & Quartzite;Wallace Formation, Shale & Limestone
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone

Nearby scientific data

(1) -115.6452, 48.20487

Economic information

Geologic structures

Type of structure Regional
Structure description Snowshoe Anticline
Type of structure Local
Structure description Snowshoe Fault

Ore body information

  • Strike N 5 - 12 W
    Dip VERTICAL
    Width 2M

Controls for ore emplacement

  • Snowshoe Anticline, Snowshoe Fault-Fissured And Sheeted Zone May Be Related To Dry Creek Stock

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1889
Discoverer A. F. Dunlap And J. Abbot
Year of first production 1890

Mining district

District name Libby (Snowshoe) District

Ownership information

  • Type Operator
    Owner Sidney Mining Co,
    Home office Box 1049, Kellogg, Id 83837
  • Type Owner
    Owner Foote, W. B.
    Home office Kalispell, Mt, 59901

Production statistics

  • Year 1964
    Period 1890 - 1964
    Material PB
    Accuracy Estimate
    Description Cp_Grade: ^About 6 %
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Lead Lead 6wt-pct
  • Year 1964
    Period 1890 - 1964
    Material AG
    Accuracy Estimate
    Description Cp_Grade: ^About 3 Toz/St
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Silver Silver 85g/mt

Comments on the production information

  • TOTAL PRODUCTION REPORTED TO BE 145,000 ST ORE VALUED AT $1,211,000 - PRODUCTION ESTIMATED FROM TONNAGE, VALUE, AND GRADE . PRODUCTION YEARS ABOUT 1890 - 1900 , 1936 - 1941.

Workings at the site

  • Type of workings Underground
    Length 3500M
    Overall depth 300M

Comments on the workings information

  • PROPERTY LISTED (1974) AS DEVELOPING. DEVELOPMENT HAS INCLUDED TWO SHAFTS, FOUR ADITS, INTERMEDIATE LEVELS AND CONNECTING RAISES.

Reference information

Bibliographic references

  • Deposit

    JOHNS, W. M., 1970, GEOLOGY & MINERAL DEPOSITS - LINCOLN & FLATHEAD CO, MT. BUREAU OF MINES & GEOLOGY BULL. 79.

  • Deposit

    LAWSON, D. C., 1974, DIRECTORY OF MINING ENTERPRISES FOR 1974, MONTANA BUREAU OF MINES & GEOLOGY BULL. 95.

  • Production

    JOHNS, 1970, MBMG BULL. 79

General comments

Subject category Comment text
Deposit THE SNOWSHOE GROUP INCLUDES THESE PATENTED CLAIMS: RUSTLER, SNOWSHOE QUARTZ, PORCUPINE, AND CHINOOK

Reporter information

Type Date Name Affiliation Comment
Reporter 01-APR-1976 Mlynarczyk, Meg S. U.S. Geological Survey

Beyond USGS

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

External references