Montana · Beaverhead County
Past Producer
Lost Creek Mine
Beaverhead County, Montana, United States
Tungsten
Molybdenum
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USGS source ↗
Description
A German Engineer
Commodities
Primary
Tungsten
Secondary
Molybdenum
Commodity type
M
Deposit
Deposit type
Contact Metasomatic
Deposit size
Y
Workings
Surface/Underground
Orebody form
IRREGULAR
Ore control
Contact Between Amsden Formation And Quartz Monzonite
Materials
Ore minerals
Molybdenite, Powellite, Scheelite
Gangue
Diopside, Epidote
Geology
Host rock
Limestone · Amsden Formation-Limestone, Shale, Dolomite;Quadrant;Phosphoria
Associated rock
Quartz Monzonite · Pioneer Batholith
Structure
North Trending, Steeply Dipping Faults Cut Tactite Zone
Tectonic setting
Highly Faulted Contact Zone Near Quartz Monzonite.
Economic & production
Development status
Past Producer
Discovery year
1915
Identification
Deposit ID
10042778
MRDS ID
M060801
Region
NA
Data score
B
Coordinates
45.48712, -112.8045
References
USGS MR-25USBM RI 5552.DMEA FILES