The City of Rocks Mine is a uranium and feldspar mine located in Cassia county, Idaho at an elevation of 6,401 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
Elevation: 6,401 Feet (1,951 Meters)
Commodity: Uranium, Feldspar
Lat, Long: 42.0475, -113.73470
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.
City of Rocks Mine MRDS details
Site Name
Primary: City of Rocks Mine
Commodity
Primary: Uranium
Primary: Feldspar
Tertiary: Beryllium
Tertiary: Thorium
Location
State: Idaho
County: Cassia
District: Almo Area
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: Intermontane Plateaus
Physiographic Province: Columbia Plateau
Physiographic Section: Snake River Plain
Physiographic Detail: Silent City Of Rocks
Mineral Deposit Model
Not available
Orebody
Not available
Structure
Not available
Alterations
Not available
Rocks
Name: Granite
Role: Associated
Age Type: Host Rock
Age Young: Late Cretaceous
Name: Granite
Role: Associated
Age Type: Associated Rock Unit
Age Young: Late Cretaceous
Name: Granite
Role: Associated
Age Type: Associated Rock
Age Young: Late Cretaceous
Analytical Data
Not available
Materials
Ore: Pegmatite
Gangue: Muscovite
Gangue: Plagioclase
Gangue: Garnet
Gangue: Quartz
Comments
Not available
References
Reference (Deposit): Lesure, F. G., 1964, Mica And Associated Pegmatite Minerals, In Mineral And Water Resources Of Idaho: Idaho Bureau Of Mines And Geology Special Rept. No. 1, P. 129.
Reference (Deposit): Minobras, 1975, Idaho Industrial Minerals, P. 30.
Reference (Deposit): Fryklund, V. C., Jr., 1951, A Reconnaissance Of Some Idaho Feldspar Deposits: Idaho Bureau Of Mines And Geology Pamphlet 91, P. 16.
Idaho Gold
"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.
