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  3. Mineral Resource Data System (MRDS)

Ajax Mine

Past Producer in Madison county in Montana, United States with commodity Lead
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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. Controls for ore emplacement
  14. Economic information about the deposit and operations
  15. Mining district
  16. Land status
  17. Links to other databases
  18. Bibliographic references
  19. Reporter information

Geologic information

Identification information

Deposit ID 10102061
MRDS ID DC11982
Record type Site
Current site name Ajax Mine

Geographic coordinates

Geographic coordinates: -112.54199, 45.61129 (WGS84)
Elevation 1859
Relative position 1.5 MILES WEST OF ROCHESTER

Site location context

Political divisions (FIPS codes)

Madison(county)

Montana(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Nez Perce Hollow(quadrangle 1:24,000 scale)

Butte South(quadrangle 1:100,000 scale)

Dillon(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Big Hole(hydrologic unit)

Missouri Headwaters(hydrologic accounting unit)

Missouri Headwaters(hydrologic subregion)

Missouri(hydrologic region)

Federal lands

Bureau of Land Management(Bureau of Land Management MT)

Bureau of Land Management MT BLM(Type of land area)

BLM(Federal land areas administered by BLM)

Geographic areas

Country State County
United States Montana Madison

Public Land Survey System information

Meridian Township Range Section Fraction State
Montana Principal 003S 008W 01 Montana

Comments on the location information

  • NW 1/4, NW 1/4, SECTION 1.

Commodities

Commodity Importance
Lead Primary

Materials information

Materials Type of material
Galena Ore
Limonite Gangue
Quartz Gangue

Alteration

  • (Local) Breccia, Gouge, Oxidation

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Schist
    Rock unit name Pre Belt
    Rock description Pre Belt
    Stratigraphic age (youngest) Neoarchean
    Stratigraphic age (youngest) Neoarchean

Nearby scientific data

(1) -112.54199, 45.61129
ListMap

Economic information

Geologic structures

Type of structure Local
Structure description Fault

Ore body information

  • General form IRREGULAR SHOOTS
    Strike N 40 E
    Dip 40 NW
    Width 1.22M

Controls for ore emplacement

  • Vein Parallels Trend Of Schistosity.

Economic information about the deposit and operations

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

Mining district

District name Rochester District

Land status

Ownership category Private

Comments on the workings information

  • SEVERAL INCLINE SHAFTS, HUNDREDS OF FEET DEEP. STOPES AND SURFACE PITS.

Reference information

Bibliographic references

  • Deposit

    MBMG MEM 19, P. 43.

  • Deposit

    CONSV. DIV. COMP. DATE, 05-22-1963

  • Deposit

    1950 GEOLMAP MBMG MEM. 1

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-1974 Unknown U.S. Geological Survey
Updater 01-JUN-1980 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.

External references

Maps centered on this site