Montana · Powell, Granite County
Past Producer
Mountain Mine
Powell, Granite County, Montana, United States
Copper
Gold
Silver
⌖ Show on map
USGS source ↗
Commodities
Primary
Copper
Secondary
Gold, Silver
Commodity type
M
Deposit
Deposit type
Contact Metasomatic
Deposit size
S
Workings
Surface/Underground
Materials
Ore minerals
Chalcopyrite, Chrysocolla, Gold, Malachite
Gangue
Garnet, Magnetite, Pyrite, Quartz
Geology
Host rock
Diorite,Limestone · Madison Group;Jefferson Limestone{Maywood Formation;Red Lion Formation{Hasmark
Associated rock
Diorite · Stock At Top 10 Deep
Economic & production
Development status
Past Producer
First production
1916
Identification
Deposit ID
10019704
MRDS ID
DC11184
Region
NA
Data score
B
Coordinates
46.8166, -113.27202
References
USGS BULL 660, P. 210-11