Ajax Mine

The Ajax Mine is a gold mine located in Elmore county, Idaho at an elevation of 5,600 feet.

About the MRDS Data:

All mine locations were obtained from the USGS Mineral Resources Data System. The locations and other information in this database have not been verified for accuracy. It should be assumed that all mines are on private property.

Mine Info

Name: Ajax Mine  

State:  Idaho

County:  Elmore

Elevation: 5,600 Feet (1,707 Meters)

Primary Mineral: Gold

Lat, Long: 43.2169, -115.21690

Map: View on Google Maps

Satelite View

MRDS mine locations are often very general, and in some cases are incorrect. Some mine remains have been covered or removed by modern industrial activity or by development of things like housing. The satellite view offers a quick glimpse as to whether the MRDS location corresponds to visible mine remains.

Satelite image of the Ajax Mine

Ajax Mine MRDS details

Site Name

Primary: Ajax Mine


Primary: Gold
Tertiary: Copper
Tertiary: Silver
Tertiary: Lead


State: Idaho
County: Elmore
District: Volcano District

Land Status

Land ownership: Private
Note: the land ownership field only identifies whether the area the mine is in is generally on public lands like Forest Service or BLM land, or if it is in an area that is generally private property. It does not definitively identify property status, nor does it indicate claim status or whether an area is open to prospecting. Always respect private property.


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Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Discovery Method: Unknown
Years of Production:
Significant: N
Deposit Size: S


General Physiographic Area: Rocky Mountain System
Physiographic Province: Northern Rocky Mountains
Physiographic Detail: Sawtooth Mountains

Mineral Deposit Model

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Type: L
Description: E - W Shear Zone Roughly 10 Mi. Long


Alteration Type: L
Alteration Text: Sericite, Epidote, Silica, Chlorite, Albite


Name: Quartz Monzonite
Role: Associated
Age Type: Host Rock
Age Young: Late Cretaceous

Name: Quartz Monzonite
Role: Associated
Age Type: Associated Rock
Age Young: Late Cretaceous

Analytical Data

Analytical Data: 0.1 OZ AU AND 0.8 OZ AG/TON


Ore: Malachite
Ore: Chalcopyrite
Ore: Sphalerite
Ore: Gold
Gangue: Quartz
Gangue: Pyrite
Gangue: Magnetite
Gangue: Calcite


Comment (Location): Headwaters Of W. Fk. King Hill Creek


Reference (Deposit): Allen, R. M., Jr., 1952, Geology And Mineralization Of The Volcano District, Elmore County, Idaho: Econ. Geology, V. 47, No. 8, P. 815 - 821.

Reference (Deposit): Allen, R. M., Jr., 1940, Geology And Mineralization Of The Volcano District, Elmore County, Idaho: Moscow, Idaho, Univ. Of Idaho, M. S. Thesis, 41 P.

Reference (Deposit): V.E. Mitchell, Et. Al; Mines And Prospects Map Series, 1981, Hailey Quad No. 445

Idaho Gold

Where to Find Gold in Idaho

"Where to Find Gold in Idaho" looks at the density of modern placer mining claims along with historical gold mining locations and mining district descriptions to determine areas of high gold discovery potential in Idaho. Read more at Where to Find Gold in Idaho.