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  3. Mineral Resource Data System (MRDS)

Ajax Mine

Past Producer in Lewis and Clark county in Montana, United States with commodities Gold, Silver, Copper
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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. Ownership information
  15. Workings at the site
  16. Links to other databases
  17. Bibliographic references
  18. General comments
  19. Reporter information

Geologic information

Identification information

Deposit ID 10015881
MRDS ID DB02156
Record type Site
Current site name Ajax Mine

Geographic coordinates

Geographic coordinates: -112.06171, 46.65462 (WGS84)
Relative position ABOUT 4.2 KM NE OF VA CENTER.

Site location context

Political divisions (FIPS codes)

Lewis and Clark(county)

Montana(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Scratchgravel Hills(quadrangle 1:24,000 scale)

Elliston(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)

Geographic areas

Country State County
United States Montana Lewis and Clark

Public Land Survey System information

Meridian Township Range Section Fraction State
Montana Principal 010N 004W 01 SW OF NW Montana

Comments on the location information

  • S SIDE OF SCRATCHGRAVEL HILLS.

Commodities

Commodity Importance
Gold Primary
Silver Primary
Copper Secondary

Materials information

Materials Type of material
Gold Ore
Quartz Gangue

Analytical data

Result 1.1 OZ/TON AG, 1.1% CU, ASSAY FOR ORE OTHER THAN AU

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Quartz Monzonite
    Rock unit name Scratchgravel Quartz Monzonite Stock
    Rock description Scratchgravel Quartz Monzonite Stock
    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) -112.06171, 46.65462
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Boulder Batholith
Type of structure Local
Structure description Scratchgravel Quartz Monzonite Stock

Ore body information

  • Strike EAST
    Dip 30-40S
    Width 1.52M

Economic information about the deposit and operations

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

Mining district

District name Scratchgravel Hills District

Ownership information

  • Type Operator
    Owner H. T. O'Reilly
    Home office 933 Tenth Ave., Helena, Mt.
  • Type Owner
    Owner Scratch Gravel Mining Corp.

Workings at the site

  • Type of workings Underground
    Overall depth 30.48M

Comments on the workings information

  • 2 INCLINES

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit IN THE 60 FT INCLINE, THE LODE IS FROM 1-2 FT WIDE.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JAN-1980 Elliott, James E. U.S. Geological Survey
Updater 01-DEC-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.

Maps centered on this site