Ajax Mine

Past Producer in Idaho county in Idaho, United States with commodities Gold, Lead, Zinc, Copper, Silver
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. Ownership information
  18. Workings at the site
  19. Links to other databases
  20. Bibliographic references
  21. Reporter information

Geologic information

Identification information

Deposit ID 10071645
MRDS ID W015148
MAS/MILS ID 0160490134
Record type Site
Current site name Ajax Mine
Alternate or previous names Mountain Boy, Midas

Geographic coordinates

Geographic coordinates: -115.46957, 45.56377 (WGS84)
Elevation 1759
Relative position .75 MI NW OF DIXIE ON RIDGE BETWEEN FOURTH OF JULY AND BOULDER CREEKS

Site location context

Political divisions (FIPS codes)

Idaho(county)

Idaho(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Dixie(quadrangle 1:24,000 scale)

Elk City(quadrangle 1:100,000 scale)

Elk City(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Middle Salmon-Chamberlain(hydrologic unit)

Salmon(hydrologic accounting unit)

Lower Snake(hydrologic subregion)

Pacific Northwest(hydrologic region)

Federal lands

Nez Perce-Clearwater 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 Idaho Idaho

Public Land Survey System information

Meridian Township Range Section Fraction State
Boise 026N 008E 27,28 Idaho

Commodities

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

Materials information

Materials Type of material
Chalcopyrite Ore
Galena Ore
Sphalerite Ore
Pyrite Gangue
Quartz Gangue

Alteration

  • (Local) Sericitization, Silicification, Epidote, Oxidation

Analytical data

Result ORE SAMPLES ASSAYED 1.2 OZ AU/TON

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Granite
    Rock unit name Idaho Batholith-Granitic Rocks
    Rock description Idaho Batholith-Granitic Rocks
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous
  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Granite

Nearby scientific data

(1) -115.46957, 45.56377

Economic information

Geologic structures

Type of structure Local
Structure description Brecciation, Gouge

Ore body information

  • General form LENTICULAR, PINCH AND SWELL
    Strike N 55 DEG W
    Dip 55 DEG NE
    Width 3.05M

Controls for ore emplacement

  • Shear Zone

Economic information about the deposit and operations

Operation type Underground
Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Year of first production 1900

Mining district

District name Dixie District

Land status

Ownership category National Forest
Area name Nez Perce National Forest

Ownership information

  • Type Owner
    Owner Midas Gold Mining Co (By Finch And Campbell)

Workings at the site

  • Type of workings Underground
    Length 111.25M
    Overall depth 60.96M

Comments on development

  • 3 Patented Claims; 10 - Stamp Mill

Reference information

Bibliographic references

  • Deposit

    Capps, S. R., And Roberts, R. J., 1939, The Dixie Placer District, Idaho: Idaho Bureau Of Mines And Geology Pamphlet 48, 35 P.

  • Production

    Capps, S. R., And Roberts, R. J., 1939, Idaho Bureau Of Mines And Geology Pamphlet 48

  • Deposit

    Roberts, R. J., 1938, The Petrography And Ore Deposits Of The Dixie District, Idaho: Seattle, Washington, Univ. Of Washington, M. S. Thesis, 61 P.

  • Deposit

    Idaho Bureau Of Mines And Geology Bulletin 7

Reporter information

Type Date Name Affiliation Comment
Reporter 01-APR-1974 Miller, Pat J. U.S. Geological Survey
Reporter 30-DEC-1996 Western Field Operations Center (WFOC) U.S. Bureau of Mines

Beyond USGS

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

External references