Norwich Mine

Past Producer in Silver Bow county in Montana, United States with commodities Manganese, Lead, Zinc, Silver, Molybdenum, Gold, Copper
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. Nearby scientific data
  10. Geologic structures
  11. Ore body information
  12. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Mining district
  15. Land status
  16. Ownership information
  17. Workings at the site
  18. Links to other databases
  19. Bibliographic references
  20. General comments
  21. Reporter information

Geologic information

Identification information

Deposit ID 10078302
MRDS ID W026571
Record type Site
Current site name Norwich Mine

Geographic coordinates

Geographic coordinates: -112.58006, 46.01879 (WGS84)
Elevation 1741
Relative position APPROXIMATELY 2 MILES WEST OF BUTTE, MONTANA

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 008W 10,15 Montana

Comments on the location information

  • LOCATION APPROXIMATED

Commodities

Commodity Importance
Manganese Critical Primary
Lead Tertiary
Zinc Critical Tertiary
Silver Tertiary
Molybdenum Tertiary
Gold Tertiary
Copper Tertiary

Comments on the commodity information

  • SILVER MINERALS ALSO INCLUDE SILVER BEARING TETRAHEDRITE OR FREIBERGITE - POSSIBLY OTHERS

Materials information

Materials Type of material
Galena Ore
Molybdenite Ore
Rhodochrosite Ore
Sphalerite Ore
Pyrite Gangue
Quartz Gangue
Tourmaline Gangue

Alteration

  • (Local) Sericitization, Chloritization, Minor Silicification, Pyritization

Nearby scientific data

(1) -112.58006, 46.01879

Economic information

Geologic structures

Type of structure Regional
Structure description Boulder Batholith
Type of structure Local
Structure description One Major Cross Fault, East - West Fault System, Northwest Fault System, Northeast Fault System

Ore body information

  • General form IRREGULAR
    Strike N 82 DEG E
    Dip 57 DEG S
    Length 152.4M
    Width 3.05M

Controls for ore emplacement

  • Fault Zones And Fractures Filled

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

Land status

Ownership category Private

Ownership information

  • Type Operator
    Owner Norwich Min. Co And Umont Min. Co.
  • Type Owner
    Owner I. G. Irving And R. H. Nelson

Workings at the site

  • Type of workings Underground
    Length 1676.4M
    Overall depth 121.92M

Comments on the workings information

  • WORKINGS ON SIX LEVELS ON THE NORWICH VEIN "HANGING WALL" VEIN ENCOUNTERED ON 3 LEVELS

Reference information

Bibliographic references

  • Deposit

    HO, AU - N60C, 1957 , GEOLOGY AND ORE DEPOSITS OF THE NORWICH MINE, SILVER BOW COUNTY, MONTANA, MASTERS THESIS, MONTANA SCHOOL OF MINES (MONTANA TECH). VOLS. 1 AND 2

  • Deposit

    COLE, J. W., 1951 , INVESTIGATION OF THE NORWICH MANGANESE DEPOSIT, SILVER BOW COUNTY, MONT: U. S. BUREAU OF MINES REPORT OF INVESTIGATIONS 4784 , 14 P.

  • Deposit

    COLE, J.W., 1951, INVESTIGATION OF THE NORWICH MANGANESE DEPOSIT, SILVER BOW COUNTY, MONTANA: U.S. BUREAU OF MINES REPORT OF INVESTIGATION NO. 4784, 14 P.

  • Deposit

    1951 DIREXPL U. S. BUREAU OF MINE

General comments

Subject category Comment text
Deposit THREE VEINS IN MINE AREA, NORWICH, PLUTUS, AND "HANGING WALL" VEINS, NORWICH VEIN HAS PRIMARY CONSIDERATION AND IS DESCRIBED ABOVE.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAY-1977 Mc Kenzie, Craig L.; R. B. Berg U.S. Geological Survey

Beyond USGS

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