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  3. Mineral Resource Data System (MRDS)

Northwest Mine

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

Geologic information

Identification information

Deposit ID 10014484
MRDS ID D011282
Record type Site
Current site name Northwest Mine

Geographic coordinates

Geographic coordinates: -112.48422, 46.01518 (WGS84)
Location accuracy 500(meters)
Relative position ABOUT 2.0 KM NW OF COLUMBIA GARDENS.

Site location context

Political divisions (FIPS codes)

Silver Bow(county)

Montana(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Elk Park Pass(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 007W 16 Montana

Comments on the location information

  • AT THE MOUTH OF THE CANYON FROM ELK PARK.

Commodities

Commodity Importance
Copper Primary
Silver Primary

Materials information

Materials Type of material
Chalcopyrite Ore
Copper Ore
Pyrite Gangue
Quartz Gangue

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) -112.48422, 46.01518
ListMap

Economic information

Ore body information

  • Strike EAST-WEST
    Dip NORTH

Comments on the geologic information

  • THE GRANITE IS OF A TRANSITION TYPE RICH IN FERROMAGNESIAN MINERALS AND PLAGIOCLASE AND MORE COARSLY CRYSTALLINE THAN THE COMMON ROCK.

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 workings information

  • SHAFT, CROSSCUT

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit A VEIN WAS CUT WHICH CARRIED A LARGE AMOUNT OF PYRITE AND SOME CHALCOPYRITE. THE PYRITE IS CLOSELY ASSOCIATED WITH THE FERROMAGNESIAN MINERALS OF THE QUARTZ MONZONITE.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-FEB-1984 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.

Maps centered on this site