Poison Gulch Radioactive Occurrence

The Poison Gulch Radioactive Occurrence is a thorium mine located in Lemhi county, Idaho at an elevation of 6,299 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: Poison Gulch Radioactive Occurrence  

State:  Idaho

County:  Lemhi

Elevation: 6,299 Feet (1,920 Meters)

Commodity: Thorium

Lat, Long: 44.9856, -113.54690

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 Poison Gulch Radioactive Occurrence

Poison Gulch Radioactive Occurrence MRDS details

Site Name

Primary: Poison Gulch Radioactive Occurrence
Secondary: Idaho Thorium Showing No. 5.


Commodity

Primary: Thorium


Location

State: Idaho
County: Lemhi
District: Mcdevitt District


Land Status

Land ownership: BLM Administrative Area
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
Years of Production:
Organization:
Significant: N
Deposit Size: S


Physiography

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


Mineral Deposit Model

Not available


Orebody

Not available


Structure

Type: R
Structure: Laramide Thrust Zone


Alterations

Not available


Rocks

Name: Quartzite
Role: Host
Description: Impure Quartzite
Age Type: Host Rock
Age Young: Neoproterozoic

Name: Quartzite
Role: Host
Description: Impure Quartzite
Age Type: Host Rock Unit
Age Young: Neoproterozoic


Analytical Data

Not available


Materials

Not available


Comments

Comment (Location): On High Sharp Ridge Between 2 Prominent Gulches Tributary To Poison Gulch; 1 Mi E Of Pattee Creek

Comment (Commodity): Weak Radioactivity; Mineralization Not Detected By Unaided Eye

Comment (Geology): Original Structures entry: Regional - Broad Se-Trending Laramide Thrust Zone

Comment (Geology): Original tectonic setting entry: Edge Of Cratonic Shelf Or Hinge Belt

Comment (Geology): Original concentration process entry: Hydrothermal Activity

Comment (Geology): Original ore control entry: Shear Zone


References

Reference (Deposit): Anderson, A. L., 1961, Geology And Mineral Resources Of The Lemhi Quadrangle, Lemhi County, Idaho: Idaho Bureau Of Mines And Geology Pamphlet 124, 111 P.

Reference (Deposit): Anderson, A. L., 1958, Uranium, Thorium, Columbium, And Rare Earth Deposits In The Salmon Region, Lemhi County, Idaho: Idaho Bureau Of Mines And Geology Pamphlet 115, 81 P.

Reference (Deposit): V.E. Mitchell, Et. Al; Mines And Prospects Map Series, 1981, Dubois Quad, Location No. 14.


Idaho Gold

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"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.