Keystone Mine

The Keystone Mine is a gold mine located in Elmore county, Idaho at an elevation of 5,801 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: Keystone Mine  

State:  Idaho

County:  Elmore

Elevation: 5,801 Feet (1,768 Meters)

Primary Mineral: Gold

Lat, Long: 43.6781, -115.30390

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 Keystone Mine

Keystone Mine MRDS details

Site Name

Primary: Keystone Mine
Secondary: E. N. Stone Property
Secondary: Mountain View


Commodity

Primary: Gold
Secondary: Silver


Location

State: Idaho
County: Elmore
District: Rocky Bar 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.


Holdings

Not available


Workings

Not available


Ownership

Not available


Production

Not available


Deposit

Record Type: Site
Operation Category: Past Producer
Operation Type: Underground
Discovery Method: Ore-Mineral In Place
Years of Production:
Organization:
Significant: N
Deposit Size: S


Physiography

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


Mineral Deposit Model

Not available


Orebody

Form: LENSES


Structure

Not available


Alterations

Alteration Type: L
Alteration Text: Oxidation


Rocks

Name: Granite
Role: Associated
Age Type: Associated Rock
Age Young: Pliocene

Name: Granite
Role: Associated
Age Type: Host Rock
Age Young: Late Cretaceous


Analytical Data

Analytical Data: 0.48 OZ AU/TON, 0.5 OZ AG/TON IN GRAB SAMPLE FROM ORE PILE


Materials

Gangue: Quartz
Gangue: Pyrite


Comments

Comment (Location): Nw Of The Wide West Mine

Comment (Deposit): 2 Fault Systems: One Strikes N 20 Deg W, The Other N 80 Deg W


References

Reference (Deposit): Anderson, A. L., 1943, Geology Of The Gold - Bearing Lodes Of Rocky Bar District, Elmore Co., Idaho: Idaho Bureau Of Mines & Geol. Pam. 65, P. 3

Reference (Deposit): 1943 Geolmap Idaho Bureau Of Mines & Geol. Pam. 6


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.