Grant Mine

Past Producer in Flathead county in Montana, United States with commodities Silver, Gold, Barium-Barite, 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. Controls for ore emplacement
  14. Economic information about the deposit and operations
  15. Mining district
  16. Land status
  17. Ownership information
  18. Production statistics
  19. Workings at the site
  20. Links to other databases
  21. Bibliographic references
  22. General comments
  23. Reporter information

Geologic information

Identification information

Deposit ID 10078280
MRDS ID W026536
Record type Site
Current site name Grant Mine
Alternate or previous names Ole Mine
Related records 10158705

Geographic coordinates

Geographic coordinates: -114.60155, 47.92266 (WGS84)
Elevation 1277
Relative position 22 AIRLINE MILES SW OF KALISPELL

Site location context

Political divisions (FIPS codes)

Flathead(county)

Montana(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Kofford Ridge(quadrangle 1:24,000 scale)

Polson(quadrangle 1:100,000 scale)

Wallace(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Lower Flathead(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 Flathead

Public Land Survey System information

Meridian Township Range Section Fraction State
Montana Principal 025N 023W 18 SE OF NE SW Montana

Commodities

Commodity Importance
Silver Primary
Gold Primary
Barium-Barite Critical Secondary
Lead Secondary

Materials information

Materials Type of material
Argentite Ore
Barite Ore
Beidellite Ore
Beudantite Ore
Latite Ore
Alunite Gangue

Alteration

  • (Local) Formation Of Silica, Pyrite, Kaolinite, And Alunite

Analytical data

Result 15 TO 60 OZ/TON AG IN UNDERGROUND WORKINGS, AND ABOUT 5 OZ/TON IN SURFACE CUTS

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Latite
    Rock unit name Porphyritic Latite
    Rock description Porphyritic Latite
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Pliocene
    Stratigraphic age (youngest) Pliocene
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Argillite
    Rock unit name Ravalli Group
    Rock description Ravalli Group

Nearby scientific data

(1) -114.60155, 47.92266

Economic information

Geologic structures

Type of structure Regional
Structure description West Of Rocky Mountain Trench
Type of structure Local
Structure description Joints In The Latite And In Country Rock At Contacts

Ore body information

  • General form IRREGULAR
    Strike NE
    Dip 20 DEG W
    Width 0.46M
    Depth to top 0M

Controls for ore emplacement

  • Contact Of Latite Intrusive And Ravalli Argillite

Economic information about the deposit and operations

Development status Past Producer
Commodity type Both
Deposit size Small
Significant No
Discovery year 1928
Discoverer Ole Mining Company
Year of first production 1964

Mining district

District name Hog Heaven District

Land status

Ownership category Private

Ownership information

  • Type Operator
    Owner D. Grant, D. Clothler, H. Slama
  • Type Owner
    Owner Burlington Northern Railroad

Production statistics

  • Year 1964
    Period 1963 - 1964
    Material AG
    Accuracy Estimate
    Description Cp_Grade: ^About 5 Toz/Ton Est.
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Silver Silver 5g/mt

Workings at the site

  • Type of workings Surface/Underground
    Area 0.013HA
    Length 182.88M
    Overall depth 15.24M
    Overall length 30.48M
    Overall width 4.57M

Comments on the workings information

  • ORE MINED FROM OPEN CUT CONTAINED ABOUT 5 OZ AG/TON

Reference information

Bibliographic references

  • Deposit

    JOHNS, W. M., 1970 , GEOLOGY AND ORE DEPOSITS OF LINCOLN AND FLATHEAD COUNTIES; MONTANA: MONTANA BUREAU OF MINES AND GEOLOGY, BULLETIN 79 , P. 140 - 142.

  • Deposit

    SHENON, P. J., AND TAYLOR, A. V., JR., 1936 , GEOLOGY AND ORE OCCURRENCE OF THE HOG HEAVEN MINING DISTRICT, FLATHEAD COUNTY, MONTANA: MONTANA BUREAU OF MINES AND GEOLOGY MEMOIR 17 , 26 P.

  • Deposit

    SHENON, P.J., AND TAYLOR, A.V., JR., 1936, GEOLOGY AND ORE OCCURRENCE OF THE HOG HEAVEN MINING DISTRICT, FLATHEAD COUNTY, MONTANA: MONTANA BUREAU OF MINES AND GEOLOGY MEMOIR 17.

  • Deposit

    JOHNS, W.M., SMITH, A.G., BARNES, W.C., GILMOUR, E.H., AND PAGE, W.A., 1963, PROGRESS REPORT ON GEOLOGIC INVESTIGATIONS IN THE KOOTENAI-FLATHEAD AREA, NORTHWEST MONTANA, NO. 5, WESTERN FLATHEAD COUNTY AND PART OF LINCOLN COUNTY: MONTANA BUREAU OF MINES AND GEOLOGY BULLETIN 36.

  • Deposit

    JOHNS, W.M., 1970, GEOLOGY AND MINERAL DEPOSITS OF LINCOLN AND FLATHEAD COUNTIES, MONTANA: MONTANA BUREAU OF MINES AND GEOLOGY BULLETIN 79.

  • Deposit

    1929 RECON MBMG, MEM. NO. 17

  • Deposit

    1962 GEOLMAP MBMG BULLS. 36 , 79

  • Production

    JOHNS, 1970 , MONT. BUREAU OF MINES AND GEOL. BULL. 79 , P. 141

General comments

Subject category Comment text
Deposit THE SMALL PIPE AT THE PORTAL OF THE ADIT HAS NOT BEEN FOLLOWED DOWN DIP TO DETERMINE LENGTH. SMALL PIPES (DESCRIBED AS SOLUTION HOLES BY SOME WORKERS) RELATED TO THE LATITE

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAY-1977 Johns, Willis M.; R. B. Berg U.S. Geological Survey

Beyond USGS

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