Tuscarora Group

Past Producer in Beaverhead county in Montana, United States with commodities Silver, Copper, Lead, Zinc, Gold
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. Host and associated rocks
  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. Ownership information
  16. Production statistics
  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 10105637
MRDS ID W013418
Record type Site
Current site name Tuscarora Group
Related records 10124219

Geographic coordinates

Geographic coordinates: -112.87283, 45.31296 (WGS84)
Elevation 2100

Site location context

Political divisions (FIPS codes)

Beaverhead(county)

Montana(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Argenta(quadrangle 1:24,000 scale)

Dillon(quadrangle 1:100,000 scale)

Dillon(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Beaverhead(hydrologic unit)

Missouri Headwaters(hydrologic accounting unit)

Missouri Headwaters(hydrologic subregion)

Missouri(hydrologic region)

Geographic areas

Country State County
United States Montana Beaverhead

Public Land Survey System information

Meridian Township Range Section Fraction State
Montana Principal 006S 010W 18 Montana

Commodities

Commodity Importance
Silver Primary
Copper Primary
Lead Primary
Zinc Critical Primary
Gold Secondary

Materials information

Materials Type of material
Galena Ore
Jasper Gangue
Sand Gangue

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite
    Stratigraphic age (youngest) Paleocene
    Stratigraphic age (youngest) Late Devonian
  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Quartzite
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Dolomite
    Rock unit name Jefferson;Flathead
    Rock description Jefferson;Flathead

Nearby scientific data

(1) -112.87283, 45.31296

Economic information

Geologic structures

Type of structure Local
Structure description East - Trending Tuscarora Fault, Smaller North - Trending Vertical Faults

Ore body information

  • General form PIPE

Controls for ore emplacement

  • Ore Bodies Localized At Intersections Of Fractures Parallel To Tuscarora Fault And Favorable Beds About A Meter Thick

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1865
Discoverer Amede Bessett & Wash Stapleton
Year of first production 1875

Mining district

District name Argenta District

Ownership information

  • Type Owner
    Owner The Anaconda Co, E And C White, And G. W. Foger

Production statistics

  • Year 1959
    Period 1916-1959
    Material ZN
    Accuracy Accurate
    Description Cp_Grade: ^0.3%
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Zinc Zinc 0wt-pct
  • Year 1959
    Period 1916-1959
    Material ORE
    Accuracy Accurate
    Description Cp_Grade: ^9 Oz/St
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Ore Copper Copper 585g/mt
  • Year 1959
    Period 1916-1959
    Material AU
    Accuracy Accurate
    Description Cp_Grade: ^0.197 Oz/St
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Gold Gold 6g/mt

Workings at the site

  • Type of workings Surface/Underground
    Overall depth 40M
    Overall length 137.16M
    Overall width 50M

Comments on the workings information

  • CUTS 50M LONG, THREE 50M SHAFTS

Reference information

Bibliographic references

  • Deposit

    MBMG BULL 85.

  • Deposit

    SHENON, 1931, GEOLOGY & ORE DEPOSITS - BANNACK & ARGENTA, MT., MT. BUREAU MINES & GEOLOGY BULL. 6.

General comments

Subject category Comment text
Deposit THE GROUP OF PATENTED CLAIMS INCLUDES THE GOVENOR TILDEN, FLORIDA, WOOLEY, FRACTION, FRACTION PLACER, REFORM, BURLEIGH, AND SPRING. THE MAJOR ORE PRODUCTION HAS BEEN FROM THE TUSCARORA & GOVENOR TILDEN MINES.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAY-1976 Mlynarczyk, Meg S.; Krohn, D. U.S. Geological Survey
Updater 01-MAR-1983 Loen, Jeffrey S. (Pearson, Robert C.) U.S. Geological Survey

Beyond USGS

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