The Lost Creek Mine is a tungsten mine located in Beaverhead county, Montana at an elevation of 6,900 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: 6,900 Feet (2,103 Meters)
Commodity: Tungsten
Lat, Long: 45.48722, -112.80361
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.
Lost Creek Mine MRDS details
Site Name
Primary: Lost Creek Mine
Commodity
Primary: Tungsten
Secondary: Molybdenum
Location
State: Montana
County: Beaverhead
District: Lost Creek District
Land Status
Not available
Holdings
Not available
Workings
Type: Surface/Underground
Ownership
Owner Name: Minerals Engineering Co.
Production
Year: 1956
Time Period: 1952-1956
Material type: ORE
Description: Cp_Grade: ^0.18% Wo3
Deposit
Record Type: Site
Operation Category: Past Producer
Deposit Type: Contact Metasomatic
Operation Type: Unknown
Discovery Year: 1915
Discovery Method: Unknown
Years of Production:
Organization:
Significant: N
Deposit Size: S
Physiography
General Physiographic Area: Rocky Mountain System
Physiographic Province: Northern Rocky Mountains
Physiographic Detail: Pioneer Mountains
Mineral Deposit Model
Not available
Orebody
Form: IRREGULAR
Structure
Type: L
Description: North Trending, Steeply Dipping Faults Cut Tactite Zone
Alterations
Not available
Rocks
Name: Quartz Monzonite
Role: Associated
Age Type: Associated Rock
Age Young: Late Cretaceous
Name: Quartz Monzonite
Role: Associated
Age Type: Host Rock
Age Young: Pennsylvanian
Name: Quartz Monzonite
Role: Associated
Age Type: Associated Rock Unit
Age Young: Late Cretaceous
Analytical Data
Analytical Data: MUCH OF "ORE" AVERAGES LESS, ALSO 0.15% MO
Analytical Data: RICHEST ORE AVERAGES 0.3% WO3
Materials
Ore: Scheelite
Ore: Powellite
Ore: Molybdenite
Gangue: Epidote
Gangue: Diopside
Comments
Comment (Development): ECON.COM: MUCH FAULTED GROUND REQUIRES TIMBERING, LOW GRADE ORE NEEDS BENEFICIATION
References
Reference (Production): DMEA FILES
Reference (Deposit): USGS MR-25
Reference (Deposit): USBM RI 5552.
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.
