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  3. Mineral Resource Data System (MRDS)

International Mine

Past Producer in Granite county in Montana, United States with commodities Gold, Silver, 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. Geologic structures
  12. Economic information about the deposit and operations
  13. Mining district
  14. Production statistics
  15. Workings at the site
  16. Links to other databases
  17. Bibliographic references
  18. General comments
  19. Reporter information

Geologic information

Identification information

Deposit ID 10019706
MRDS ID DC11189
Record type Site
Current site name International Mine

Geographic coordinates

Geographic coordinates: -113.33982, 46.82656 (WGS84)
Location accuracy 250(meters)
Relative position 0.25 MI N OF THE CENTER OF GARNET

Site location context

Political divisions (FIPS codes)

Granite(county)

Montana(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Elevation Mountain(quadrangle 1:24,000 scale)

Missoula East(quadrangle 1:100,000 scale)

Butte(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Blackfoot(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 Granite

Public Land Survey System information

Meridian Township Range Section Fraction State
Montana Principal 012N 014W 03 Montana

Comments on the location information

  • ADJOINS SHAMROCK ON THE EAST.

Commodities

Commodity Importance
Gold Primary
Silver Secondary
Copper Secondary

Materials information

Materials Type of material
Gold Ore
Limonite Gangue
Pyrite Gangue
Quartz Gangue

Alteration

  • (Local) Oxidation

Analytical data

Result 4-8 OZ/TON AU, 5-10 OZ/TON AG

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Rock unit name Garnet Stock
    Rock description Garnet Stock
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous
  • Host or associated Host
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite

Nearby scientific data

(1) -113.33982, 46.82656
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Bearmouth Overthrust
Type of structure Local
Structure description Deep Creek Anticline, Garnet Stock

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Production years 1910-1914

Mining district

District name Garnet (First Chance) District

Production statistics

  • Year 1940
    Period 1910-1940
    Accuracy Accurate
    Description Cp_Grade: ^4-8 Oz/Ton Au, 5-10 Oz/Ton Ag
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Minor Silver Silver 212g/mt
    Major Gold Gold 167g/mt

Workings at the site

  • Type of workings Unknown
    Length 30.48M

Comments on the workings information

  • 100FT SHAFT AND LEVELS

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit 2 OR MORE SMALL VEINS THAT YIELED RICH OXIDIZED ORE.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-1974 Unknown U.S. Geological Survey
Updater 01-APR-1981 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.

External references

Maps centered on this site