Keystone Mine

The Keystone Mine is a silver and gold mine located in Blaine county, Idaho at an elevation of 6,001 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:  Blaine

Elevation: 6,001 Feet (1,829 Meters)

Commodity: Silver, Gold

Lat, Long: 43.4686, -114.33580

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


Commodity

Primary: Silver
Primary: Gold
Secondary: Copper
Secondary: Lead


Location

State: Idaho
County: Blaine
District: Mineral Hill 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

Type: Underground


Ownership

Not available


Production

Not available


Deposit

Record Type: Site
Operation Category: Past Producer
Deposit Type: Vein
Operation Type: Unknown
Year First Production: 1883
Discovery Method: Unknown
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: POCKETS


Structure

Type: L
Description: Lamprophyre Dikes Are Post - Mineralization


Alterations

Not available


Rocks

Name: Diorite
Role: Associated
Age Type: Associated Rock
Age Young: Late Cretaceous

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


Analytical Data

Not available


Materials

Ore: Chalcopyrite
Ore: Galena
Ore: Sphalerite
Gangue: Quartz
Gangue: Siderite
Gangue: Pyrite


Comments

Comment (Location): E. SIDE OF SCORPIAN GULCH. ACROSS FROM THE COMET

Comment (Workings): CONSISTED OF 3 TUNNELS


References

Reference (Deposit): 1930 GEOLMAP J. B. UMPLEBY AND OTHERS, BULL. 814

Reference (Deposit): 1949 GEOLMAP IDAHO BUREAU OF MINES & GEOL. PAMPHLET 90

Reference (Deposit): ANDERSON, A. L., AND OTHERS, 1950, DETAILED GEOLOGY OF CERTAIN AREAS IN THE MINERAL HILL AND WARM SPRINGS MINING DISTRICTS: IDAHO BUREAU OF MINES AND GEOLOGY PAMPHLET 90, 73 P.

Reference (Deposit): UMPLEBY, J. B., AND OTHERS, 1930, GEOLOGY AND ORE DEPOSITS OF THE WOOD RIVER REGION, IDAHO, WITH A DESCRIPTION OF THE MINNIE MOORE AND NEAR-BY MINES: USGS BULL. 814, P. 1-245.

Reference (Production): ANDERSON, A. L., AND OTHERS, 1950, IDAHO BUREAU OF MINES AND GEOLOGY PAMPHLET 90, P. 28.


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: Where to Find Gold in Idaho.