Fifty-One Placer Group

The Fifty-One Placer Group is a thorium, iron, and gold mine located in Boise 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: Fifty-One Placer Group

State:  Idaho

County:  Boise

Elevation:

Commodity: Thorium, Iron, Gold

Lat, Long: 43.89167, -115.90833

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 Fifty-One Placer Group

Fifty-One Placer Group MRDS details

Site Name

Primary: Fifty-One Placer Group


Commodity

Primary: Thorium
Primary: Iron
Primary: Gold
Secondary: Zirconium


Location

State: Idaho
County: Boise


Land Status

Administrative Organization: Boise


Holdings

Not available


Workings

Not available


Ownership

Not available


Production

Not available


Deposit

Record Type: Site
Operation Category: Producer
Deposit Type: Placer
Operation Type: Unknown
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: Granite
Role: Host
Age Type: Host Rock
Age Young: Late Cretaceous


Analytical Data

Analytical Data: FS MIN EXAM. 1962. ASSAY, 1962. BLACK AND DEASON, SALT LAKE CITY.


Materials

Ore: Zircon
Ore: Ilmenite
Ore: Magnetite
Ore: Monazite
Ore: Gold


Comments

Comment (Deposit): ALL CONDITIONS FAVORABLE TO EASY AND ECONOMICAL MINING OPERATIONS.


References

Not available


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.