Silver Bow Deposits

Past Producer in Silver Bow county in Montana, United States with commodities Fluorine-Fluorite, Gold, Silver, Barium-Barite
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. Controls for ore emplacement
  14. Economic information about the deposit and operations
  15. Mining district
  16. Land status
  17. Ownership information
  18. Links to other databases
  19. Bibliographic references
  20. General comments
  21. Reporter information

Geologic information

Identification information

Deposit ID 10019813
MRDS ID DC11605
Record type Site
Current site name Silver Bow Deposits
Alternate or previous names Bull Moose, Merrimac, Wrong Font, Eva, Superior, Delia, Little Jack,

Geographic coordinates

Geographic coordinates: -112.65228, 46.00546 (WGS84)
Relative position 6 MILES W OF BUTTE ALONG SILVER BOW CREEK.

Site location context

Political divisions (FIPS codes)

Silver Bow(county)

Montana(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Ramsay(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)

Federal lands

Beaverhead-Deerlodge National Forest(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States Montana Silver Bow

Public Land Survey System information

Meridian Township Range Section Fraction State
Montana Principal 003N;003N 009N;008W 13;18 E2 OF SE (13); SW OF SW (18) Montana

Comments on the location information

  • INFO FROM LAND.ST :(1971)

Commodities

Commodity Importance
Fluorine-Fluorite Critical Primary
Gold Secondary
Silver Secondary
Barium-Barite Critical Secondary

Materials information

Materials Type of material
Fluorite Ore
Barite Gangue
Pyrite Gangue
Quartz Gangue

Alteration

  • (Local) Oxidation, Sericitization

Analytical data

Result AVERAGE SAMPLE 83.34% CAF2

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Granite
    Rock unit name Butte Quartz Monzonite(Boulder Batholith);Boulder Batholith
    Rock description Butte Quartz Monzonite(Boulder Batholith);Boulder Batholith
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous
  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Monzonite

Nearby scientific data

(1) -112.65228, 46.00546

Economic information

Geologic structures

Type of structure Regional
Structure description Boulder Batholith

Ore body information

  • General form BANDS
    Strike NW
    Dip SW

Controls for ore emplacement

  • Fracture Zone

Economic information about the deposit and operations

Development status Past Producer
Commodity type Both
Deposit size Small
Significant No
Discovery year 1944

Mining district

District name Butte District

Land status

Ownership category National Forest

Ownership information

  • Type Owner
    Owner Bull Moose -John Clark And Helehan Family; Merrimac-Silver Bow Copper Co; Wrong Font-John Helehan

Comments on the production information

  • FLUORITE PRODUCTION FOR METALLUGICAL PURPOSES (SMALL)

Comments on the workings information

  • PITS AND TRENCHES

Reference information

Bibliographic references

  • Deposit

    USGS BULL 955-E, P. 214-217.

  • Deposit

    KNECHTEL 1946, WRITTEN COMM.

  • Deposit

    MBMG BULL 28, P. 6, 19-22

General comments

Subject category Comment text
Deposit Discovery Year: WRONG FONT - 1944
Deposit PRINCIPAL EXPOSURE ON BULL MOOSE, AND MERRIMAC, BULL MOOSE ZONE 650 FT LONG
Deposit BEST EXPOSURES NOW UNDER HIGHWAY, POSSIBLE ENOUGH GOLD AND SILVER PRESENT TO RECOVER FLOURITE ; INFO.SRC : 1 PUB LIT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JAN-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.