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Ajax Mine

Past Producer in Jefferson county in Montana, United States with commodities Lead, Zinc, Silver, Gold, Copper, Arsenic, Antimony
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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. Host and associated rocks
  9. Nearby scientific data
  10. Geologic structures
  11. Ore body information
  12. Economic information about the deposit and operations
  13. Mining district
  14. Land status
  15. Ownership information
  16. Workings at the site
  17. Links to other databases
  18. Bibliographic references
  19. Reporter information

Geologic information

Identification information

Deposit ID 10011925
MRDS ID D007119
Record type Site
Current site name Ajax Mine
Alternate or previous names Big Four

Geographic coordinates

Geographic coordinates: -112.18421, 46.10462 (WGS84)
Elevation 1768
Relative position 15.5 KM SW OF BOULDER, N OF BEAVER PONDS.

Site location context

Political divisions (FIPS codes)

Jefferson(county)

Montana(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Ratio Mountain(quadrangle 1:24,000 scale)

Butte North(quadrangle 1:100,000 scale)

Butte(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Jefferson(hydrologic unit)

Missouri Headwaters(hydrologic accounting unit)

Missouri Headwaters(hydrologic subregion)

Missouri(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 Jefferson

Public Land Survey System information

Meridian Township Range Section Fraction State
Montana Principal 004N 005W 14 NE Montana

Comments on the location information

  • INFO FROM LAND.ST :(1954)

Commodities

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

Materials information

Materials Type of material
Covellite Ore
Galena Ore
Sphalerite Ore
Tetrahedrite Ore
Anglesite Gangue
Pyrite Gangue
Quartz Gangue

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
    Stratigraphic age (youngest) Late Cretaceous
  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Quartz Monzonite

Nearby scientific data

(1) -112.18421, 46.10462
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Boulder Batholith

Ore body information

  • Dip S72W

Economic information about the deposit and operations

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

Mining district

District name Big Foot (State Creek) District

Land status

Ownership category National Forest

Ownership information

  • Type Owner
    Owner O. W. Humphrey, Santa Anna, Ca., Fred Morgan, Tucson, Az., Mary Drake, Salt Lake City, Ut.

Comments on the production information

  • PRODUCTION INCLUDED WITH BIG FOUR GROUP.

Workings at the site

  • Type of workings Underground
    Length 30.48M

Comments on the workings information

  • 100 FT SHAFT, INACESSIBLE 1959.

Comments on development

  • 6 PATENTED CLAIMS: HOOSIER BOY, BIG FOUR, TERROR, NICKEL PLATE, SEARCHLIGHT, AND AJAX.

Reference information

Bibliographic references

  • Deposit

    MBMG BULL 30, P. 26.

  • Deposit

    MBMG BULL 16, P. 38, 99.

  • Production

    MBMG BULL 16, P. 38.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-APR-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