Silver Bow Mine

Past Producer in Silver Bow county in Montana, United States with commodities Copper, Silver, 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. Alteration
  9. Host and associated rocks
  10. Nearby scientific data
  11. Geologic structures
  12. Ore body information
  13. Economic information about the deposit and operations
  14. Mining district
  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 10101735
MRDS ID D008076
Record type Site
Current site name Silver Bow Mine
Alternate or previous names Part of Berkley Pit.

Geographic coordinates

Geographic coordinates: -112.51478, 46.01379 (WGS84)
Location accuracy 500(meters)
Relative position 1.2 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

Comments on the location information

  • SW PART OF BERKLEY PIT.

Commodities

Commodity Importance
Copper Primary
Silver Primary
Arsenic Critical Tertiary

Materials information

Materials Type of material
Argentite Ore
Chalcanthite Ore
Chalcocite Ore
Enargite Ore
Silver Ore
Iron Gangue
Limonite Gangue
Pyrite Gangue
Quartz Gangue

Alteration

  • (Local) Oxidation

Analytical data

Result 80 OZ/TON AG, CHALCANTITE CONTAINS 13 % CU.

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) -112.51478, 46.01379

Economic information

Geologic structures

Type of structure Regional
Structure description Boulder Batholith

Ore body information

  • Strike N 65 W
    Dip 68 S
    Width 6.1M
    Depth to top 0M

Comments on the geologic information

  • WATER AT THE BOTTOM OF DRIFT IS RICH IN CU, IRON RAILS HAVE BEEN COMPLETELY CORRODED AND AT TIMES ENTIRELY REPLACED BY METALLIC CU.

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 production information

  • AMOUNT OF PRODUCTION UNKNOWN

Workings at the site

  • Type of workings Surface
    Overall depth 304.8M

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit CONTINUOUSLY STOPED TO A DEPTH OF 600 FT. CUT BY RARUS FAULT. CU AND AG DECREASES DOWNWARD

Reporter information

Type Date Name Affiliation Comment
Reporter 01-DEC-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.

Current status (per MSHA)

StatusNew Mine since 12/15/2025
MSHA mine ID2402827
Mine name (MSHA)Silver Bow Mine
Current operatorSBM Montana LLC
Current controller (parent)Silver Bow Mining Corp
Mine typeUnderground (Metal / non-metal)

Inferred by coordinate + name similarity (1883 m, 1.00 match). Confirm against MSHA if precision matters — non-USGS-curated cross-references may occasionally point at a neighbouring mine.

Open MSHA's Mine Data Retrieval System for inspections, accidents, and violations for this mine.