Spring Creek Prospect

The Spring Creek Prospect is a thorium mine located in Lemhi 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: Spring Creek Prospect  

State:  Idaho

County:  Lemhi

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

Commodity: Thorium

Lat, Long: 45.4358, -114.24440

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 Spring Creek Prospect

Spring Creek Prospect MRDS details

Site Name

Primary: Spring Creek Prospect
Secondary: Simplot Monazite Deposit


Commodity

Primary: Thorium
Tertiary: REE
Tertiary: Molybdenum


Location

State: Idaho
County: Lemhi
District: Indian Creek District


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: Salmon National Forest


Holdings

Not available


Workings

Not available


Ownership

Not available


Production

Not available


Deposit

Record Type: Site
Operation Category: Occurrence
Deposit Type: Vein
Operation Type: Unknown
Years of Production:
Organization:
Significant: N
Deposit Size: S


Physiography

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


Mineral Deposit Model

Not available


Orebody

Form: LENSES


Structure

Not available


Alterations

Not available


Rocks

Name: Schist
Role: Host
Age Type: Host Rock
Age Young: Late Cretaceous

Name: Schist
Role: Host
Age Type: Host Rock Unit
Age Young: Neoproterozoic

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

Name: Gneiss
Role: Host
Age Type: Host Rock Unit
Age Young: Neoproterozoic

Name: Gneiss
Role: Host
Age Type: Host Rock
Age Young: Late Cretaceous


Analytical Data

Analytical Data: SAMPLES OF VEIN MATERIAL CONTAIN FROM 0.12 - 1.27% MO.


Materials

Ore: Monazite
Ore: Molybdenite
Gangue: Quartz
Gangue: Siderite
Gangue: Calcite
Gangue: Actinolite
Gangue: Barite


Comments

Comment (Geology): Molybdenite Occurs As Quartz Veins In Granite

Comment (Location): 5 Mi NE Of Shoup


References

Reference (Deposit): King, R. U., 1964, Mineral Resource - Molybdenum, In Mineral And Water Resources Of Idaho: Idaho Bureau Of Mines And Geology Spec. Rept. No. 1, P. 133 - 138.

Reference (Deposit): Weis, P. L., And Others, 1958, Reconnaissance For Radioactive Minerals In Washington, Idaho, And Western Montana 1952 - 1955: USGS Bulletin 1074-B, 48 P.


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