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Boss Tweed Mine

Past Producer in Madison county in Montana, United States with commodities Silver, Copper, Gold
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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. Alteration
  8. Host and associated rocks
  9. Nearby scientific data
  10. Ore body information
  11. Controls for ore emplacement
  12. Economic information about the deposit and operations
  13. Mining district
  14. Ownership information
  15. Production statistics
  16. Links to other databases
  17. Bibliographic references
  18. Reporter information

Geologic information

Identification information

Deposit ID 10070463
MRDS ID W013406
Record type Site
Current site name Boss Tweed Mine
Related records 10148599

Geographic coordinates

Geographic coordinates: -111.95725, 45.66379 (WGS84)
Elevation 2256
Relative position APPROXIMATELY 4 MILES, BY ROAD, FROM PONY, MONTANA.

Site location context

Political divisions (FIPS codes)

Madison(county)

Montana(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Pony(quadrangle 1:24,000 scale)

Bozeman(quadrangle 1:100,000 scale)

Bozeman(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Jefferson(hydrologic unit)

Missouri Headwaters(hydrologic accounting unit)

Missouri Headwaters(hydrologic subregion)

Missouri(hydrologic region)

Geographic areas

Country State County
United States Montana Madison

Public Land Survey System information

Meridian Township Range Section Fraction State
Montana Principal 002S 003W 15 Montana

Comments on the location information

  • LOCATED AT HEADWATERS OF PONY CREEK.

Commodities

Commodity Importance
Silver Primary
Copper Primary
Gold Primary

Alteration

  • (Local) Sericitization And Silicification

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Quartz Monzonite
    Rock unit name Tobacco Root Batholith Quartz Monzonite
    Rock description Tobacco Root Batholith Quartz Monzonite
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoproterozoic
  • Host or associated Host
    Rock type Metamorphic Rock > Gneiss
    Rock unit name Pony Formation, Gneiss
    Rock description Pony Formation, Gneiss

Nearby scientific data

(1) -111.95725, 45.66379
ListMap

Economic information

Ore body information

  • General form IRREGULAR
    Strike N 60 W
    Dip 40 SW

Controls for ore emplacement

  • Ore In Fault Zone - Where Cut By Transverse Fractures En Echelon Gaps Are Developed That Are Generally Mineralized

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Pony District

Ownership information

  • Type Operator
    Owner Pacific Gold Mining Co.

Production statistics

  • Year 1935
    Period 1890 - 1935
    Material CU
    Accuracy Estimate
    Description Cp_Grade: ^0.02 %
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Copper Copper 0wt-pct

Comments on the production information

  • PRODUCTION FROM 176,000 ST ORE

Comments on the workings information

  • MINE DEVELOPED BY TWO PRINCIPLE ORE SHOOTS, THE EAST AND WEST. IN 1936 MINE SITE EQUIPTED WITH 100 TON FLOATATION MILL, COMPRESSOR, & SHOPS

Reference information

Bibliographic references

  • Deposit

    LORAIN, 1937, GOLD LODE MINING - TOBACCO ROOT MTS., U. S. BUREAU MINES INF. CIRC. 6972.

  • Deposit

    MBMG MEM 9, P. 26

  • Deposit

    MBMG MEM 36.

  • Deposit

    VITALIANO, ET AL, 1979, GEOLOGIC MAP OF SOUTHERN TOBACCO ROOT MTNS, MADISON CO., MONT., GEO. SOC. OF AMER, MC-31.

  • Deposit

    1933 RECON MBMG MEM 9

  • Deposit

    1957 GEOLMAP MBMG MEM 36

  • Deposit

    1979 GEOLMAP G.S.A. MC-31

  • Production

    LORAIN, 1937, USBM INF. CIRC. 6972

Reporter information

Type Date Name Affiliation Comment
Reporter 01-APR-1976 Mlynarczyk, Meg S.; Krohn, D. U.S. Geological Survey
Updater 01-FEB-1980 Doyle, Brien (Wells, John) 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