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
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.
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
"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.
