Granite Group

The Granite Group is a silver and iron mine located in Custer county, Idaho.

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: Granite Group  

State:  Idaho

County:  Custer

Elevation:

Primary Mineral: Silver, Iron

Lat, Long: 43.9033, -113.68110

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 Granite Group

Granite Group MRDS details

Site Name

Primary: Granite Group
Secondary: Granite Nos. 1, 2, and 3
Secondary: Granite No. 2
Secondary: Granite No. 3
Secondary: Shadyside
Secondary: Anna
Secondary: Silver King


Commodity

Primary: Silver
Primary: Iron
Tertiary: Copper
Tertiary: Gold


Location

State: Idaho
County: Custer


Land Status

Land ownership: National Forest
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.
Administrative Organization: Challis National Forest


Holdings

Not available


Workings

Not available


Ownership

Not available


Production

Not available


Deposit

Record Type: Site
Operation Category: Producer
Operation Type: Underground
Years of Production:
Organization:
Significant: N


Physiography

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


Mineral Deposit Model

Not available


Orebody

Not available


Structure

Not available


Alterations

Not available


Rocks

Name: Limestone
Role: Host
Age Type: Host Rock
Age Young: Late Permian


Analytical Data

Analytical Data: FS MIN EXAM 1961 PLUMB


Materials

Ore: Hematite


Comments

Comment (Deposit): This Group Consists Of The Shadyside, Anna, Granite Nos 1 , 2 , And 3 Claims


References

Reference (Deposit): Mitchel, V.E., Et Al, Mines And Prospects Of The Idaho Falls Quadrangle, Idaho, 1981, Map No. 17.

Reference (Deposit): U.S. Forest Service, Challis National Forest 2810 Files

Reference (Deposit): McHugh and others, U.S. Bureau Of Mines Open-File Report MLA 6-91, 1991, Table A-4, No. 569, P. 238.


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.