Hall Mountain No. 1 Prospect

The Hall Mountain No. 1 Prospect is a thorium mine located in Boundary 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: Hall Mountain No. 1 Prospect  

State:  Idaho

County:  Boundary


Primary Mineral: Thorium

Lat, Long: 48.9936, -116.41000

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 Hall Mountain No. 1 Prospect

Hall Mountain No. 1 Prospect MRDS details

Site Name

Primary: Hall Mountain No. 1 Prospect
Secondary: T.M.U. Claims


Primary: Thorium


State: Idaho
County: Boundary
District: Moyie-Yaak 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: Kaniksu National Forest


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Owner Name: NW Prospecting And Development Co.
Home Office: Washington
Info Year: 1960

Owner Name: Hall Mountain Thorite Mining Co.
Home Office: Bruce R. Berringer, President Pacific Hotel, Spokane, Wa.


Not available


Record Type: Site
Operation Category: Occurrence
Operation Type: Surface
Years of Production:
Significant: N


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

Mineral Deposit Model

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Type: R
Description: Northerly Trending Faults, Some Of Which Are Normal


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Name: Plutonic Rock
Role: Associated
Age Type: Host Rock
Age Young: Neoproterozoic

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

Analytical Data

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Comment (Development): D.M.E.A. Docket No. 4344 (1956), 5 Claims Make Up The Property

Comment (Deposit): Brecciated Quartzite Is The Main Mineralized Zone

Comment (Deposit): For More Information See D.M.E.A. Docket No. 4344 (1956) ; Info.Src : 2 Unpub Rept

Comment (Location): Prospect Is About About 1500 Ft Higher, And To The E Of The Golden Scepter Mine


Reference (Deposit): Commodity Files, USGS, Spokane W

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.