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Bunker Hill Mine

Past Producer in Lewis and Clark county in Montana, United States with commodities Silver, Lead, Gold, Zinc, Arsenic
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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. 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. Land status
  16. Ownership information
  17. Production statistics
  18. Workings at the site
  19. Links to other databases
  20. Bibliographic references
  21. General comments
  22. Reporter information

Geologic information

Identification information

Deposit ID 10019774
MRDS ID DC11449
Record type Site
Current site name Bunker Hill Mine
Related records 10245794

Geographic coordinates

Geographic coordinates: -112.24867, 46.46934 (WGS84)
Elevation 1737
Relative position 2.1 KM S OF RIMINI.

Site location context

Political divisions (FIPS codes)

Lewis and Clark(county)

Montana(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Chessman Reservoir(quadrangle 1:24,000 scale)

Butte North(quadrangle 1:100,000 scale)

Butte(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Missouri(hydrologic unit)

Upper Missouri(hydrologic accounting unit)

Missouri-Marias(hydrologic subregion)

Missouri(hydrologic region)

Federal lands

Helena-Lewis and Clark 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 Lewis and Clark

Public Land Survey System information

Meridian Township Range Section Fraction State
Montana Principal 008N 005W 04,05 Montana

Comments on the location information

  • E SIDE OF TENMILE CR. ; INFO FROM LAND.ST :(1950)

Commodities

Commodity Importance
Silver Primary
Lead Primary
Gold Secondary
Zinc Critical Secondary
Arsenic Critical Tertiary

Materials information

Materials Type of material
Galena Ore
Gold Ore
Sphalerite Ore
Quartz Gangue
Sericite Gangue
Tourmaline Gangue

Alteration

  • (Local) Sericitization

Analytical data

Result ADIT NO. 1: 0.5 OZ/TON AU, 14 OZ/TON AG, 9 % PB, 5% ZN; ADIT NO. 2: 0.15 OZ/TON AU, 20 OZ/TON AG, 5% PB, 2 % PB, A LITTLE 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
  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Quartz Monzonite

Nearby scientific data

(1) -112.24867, 46.46934
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Boulder Batholith
Type of structure Local
Structure description Red Mountain Fault

Ore body information

  • Dip 75 S
    Length 609.6M
    Width 1.22M
    Depth to top 0M
    Depth to bottom 182.88M

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Year of first production 1888

Mining district

District name Rimini District

Land status

Ownership category National Forest

Ownership information

  • Type Operator
    Owner Montana Lead Co.

Production statistics

  • Year 1891
    Period 1888-1891
    Accuracy Estimate
    Description Cp_Grade: ^0.22 Oz/Ton Au, 30 Oz/Ton Ag, 11 % Pb.
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Lead Lead 11wt-pct
    Major Ore Silver Silver 847g/mt
    Minor Ore Gold Gold 6g/mt
  • Year 1947
    Accuracy Accurate
    Description Ap_Grade: ^.15 Oz/Ton Au, 20 Oz/Ton Ag, 5% Pb, 2% Zn
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Silver Silver 565g/mt
    Minor Ore Gold Gold 4g/mt
    Minor Ore Zinc Zinc 2wt-pct
    Major Ore Lead Lead 5wt-pct

Comments on the production information

  • PRODUCTION WAS RECORDED IN 1942.

Workings at the site

  • Type of workings Underground
    Length 365.76M

Comments on the workings information

  • 3 ADIT DRIFTS,

Reference information

Bibliographic references

  • Deposit

    USGS PP 428, P. 42, 43, 54, 58, PL. 1.

  • Deposit

    USGS BULL 842, P. 253.

  • Deposit

    USGS-USBM MINERAL YEARBOOK 1942.

  • Production

    USGS PP 428, P. 58. USGS-USBM MINERAL YEARBOOK

General comments

Subject category Comment text
Deposit ADIT NO. 1 IS THE LOWES, THE VEIN IS 3 FT OR LESS IN WIDTH BOUNDED BY PARALLEL JOINTS; ADIT NO. 2 LESS CONTINUOUS CONTROLLING JOINTS, IT HAS 2 QUARTZ-TOURMALINE VEINS 1-5 FT IN WIDTH. THIS VEIN ZONE SEEMS TO HAVE BEEN A CHANNEL WAY FOR HYDROTHERMAL SOLUTIONS. ADIT NO. 3 HAS SEVERAL BRANCHES WHICH CONTINUE EAST BUT THE DIP FLATTENS.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-1974 Unknown U.S. Geological Survey
Updater 01-OCT-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.

External references

Maps centered on this site