City of Rocks Uranium Deposit

The City of Rocks Uranium Deposit is a mine located in Cassia county, Idaho at an elevation of 6,201 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: City of Rocks Uranium Deposit  

State:  Idaho

County:  Cassia

Elevation: 6,201 Feet (1,890 Meters)

Primary Mineral:

Lat, Long: 42.07361, -113.71139

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 City of Rocks Uranium Deposit

City of Rocks Uranium Deposit MRDS details

Site Name

Primary: City of Rocks Uranium Deposit


Commodity

Tertiary: Uranium
Tertiary: Thorium
Tertiary: REE


Location

State: Idaho
County: Cassia
District: Almo Area


Land Status

Land ownership: State
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: Occurrence
Operation Type: Unknown
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

Form: TABULAR


Structure

Not available


Alterations

Not available


Rocks

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

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


Analytical Data

Analytical Data: AVERAGE U3O8 EQUIVALENT = 0.03%


Materials

Ore: Magnetite


Comments

Comment (Development): ECON.COM: OCCURRENCE OF MINERALOGIC, RATHER THAN ECONOMIC, IMPORTANCE

Comment (Workings): PLACER 20 FT THICK


References

Reference (Deposit): ARMSTRONG, F. C., 1964, MINERAL RESOURCES - URANIUM, IN MINERAL AND WATER RESOURCES OF IDAHO: IDAHO BUREAU OF MINES AND GEOLOGY SPECIAL REPT. NO. 1, P. 238.

Reference (Deposit): POWERS, H.A., 1955, URANIUM: IDAHO BUREAU OF MINES AND GEOLOGY OPEN - FILE REPORT

Reference (Deposit): 1955 RECON ID. BUREAU OF MINES & GEOL. - OPEN FILE REPORT


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.