Ground Squirrel Mine

Past Producer in Silver Bow county in Montana, United States with commodities Copper, Silver, Gold, Arsenic
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 10014492
MRDS ID D011293
Record type Site
Current site name Ground Squirrel Mine

Geographic coordinates

Geographic coordinates: -112.51339, 46.00823 (WGS84)
Location accuracy 500(meters)
Relative position ABOUT 1.5 KM SW OF MEADERVILLE.

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 007W 18 Montana

Commodities

Commodity Importance
Copper Primary
Silver Secondary
Gold Secondary
Arsenic Critical Tertiary

Materials information

Materials Type of material
Chalcocite Ore
Enargite Ore
Gold Ore
Pyrite Gangue
Quartz Gangue

Analytical data

Result 12-23% CU
Result 13-53 OZ/TON AG
Result $1.00/TON AU
Result OXIDIZIED VEINS PART OF THE VEIN CARRY 20 OZ/TON AG.

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) -112.51339, 46.00823

Economic information

Ore body information

  • Dip 65-70 S
    Width 1.83M

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

  • 3 SHAFTS

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit THE GLENGARRY VEIN EXTENDS THROUGH THE GROUND SQUIRREL MINE. THE MINE FOLLOWS IT UNTIL THE BLUE VEIN FAULT. THE ORE WAS BLACK UNDER THE OXIDIZED MATERIAL. SECONDARY FRACTURING OF THE VEIN BY STRIKE FAULTS IS SHOWN BY CLAY SELVAGES AND SEAMS, WHICH IN PLACES ARE 8 IN THICK AND ARE ACCOMPANIED BY SEAMS OF GLANCE OF EQUAL THICKNESS.

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.