Poison Lake Claim

The Poison Lake Claim is a thorium mine located in Beaverhead county, Montana at an elevation of 8,281 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

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.

Site Name

Primary: Poison Lake Claim

Commodity

Primary: Thorium
Secondary: Uranium

Location

State: Montana
County: Beaverhead
District: Deer Creek District

Land Status

Not available

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

Physiography

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

Mineral Deposit Model

Not available

Orebody

Not available

Structure

Not available

Alterations

Alteration Type: L
Alteration Text: Intense Alteration Of Limestone And Aplite

Rocks

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

Name: Plutonic Rock
Role: Associated
Age Type: Associated Rock
Age Young: Pliocene

Analytical Data

Analytical Data: SAMPLE ANALYSIS FOR THORIA AVERAGES .1 % AND FOR URANIUM .001 %, EQUIVALENT URANIUM .016 %.

Materials

Ore: Thorite
Gangue: Fluorite

Comments

Comment (Geology): VEINS ARE IN A MINERALIZED AREA 600 FT LONG AND 200 FT WIDE ; GEOL.DESC: HYDROTHERMAL FLUORITE VEINS.

Comment (Workings): OUTCROP VEIN

Comment (Deposit): VEINS WITHIN MINERALIZED AREA GENERALLY TREND NE. STRIKE ABOVE IS FOR ENTIRE AREA.

Comment (Location): ON THE DIVIDE OVERLOOKING A SOUTHERN CANYON ON THE WEST END OF BELL CANYON

References

Reference (Deposit): SAHINEN, U. M., 1955 , MONT. BUR. OF MINES AND GEOL., INF. CIRC. 6 .

Reference (Deposit): TRITES, A. F., TOOKER, E. W., 1953 , URANIUM AND THORIUM DEPOSITS IN EAST-CENTRAL IDAHO AND SOUTHERN MONTANA, USGS BULL 988-H.

Reference (Deposit): GEACH, R. D., 1972 , MINES AND MINERAL DEPOSITS, BEAVERHEAD CO., MONT., MONT. BUR. OF MINES & GEOLOGY, BULL 85 .

Reference (Deposit): CONSV. DIV. COMP. DATE, 02-07-1963

Reference (Deposit): 1953 GEOLMAP TRITES A. F., TOOKER E. W., BULL 988-H

Reference (Deposit): 1972 COMPILE MONT. BUR. OF MINES & GEO., BULL 85

Principal Gold Districts of Montana

In Montana, 54 mining districts have each have produced more than 10,000 ounces of gold. The largest producers are Butte, Helena, Marysville, and Virginia City, each having produced more than one million ounces. Twenty seven other districts are each credited with between 100,000 and one million ounces of gold production. Read more: Principal Gold Districts of Montana.