Montana · Silver Bow County
Past Producer
Niagra Mine
Silver Bow County, Montana, United States
Manganese
Zinc
Lead
Silver
Beryllium
Fluorine-Fluorite
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USGS source ↗
Commodities
Primary
Manganese, Zinc
Secondary
Lead, Silver
Tertiary
Beryllium, Fluorine-Fluorite
Commodity type
B
Deposit
Deposit type
Vein
Deposit size
S
Materials
Ore minerals
Helvite, Rhodochrosite, Rhodonite, Sphalerite
Gangue
Quartz
Geology
Host rock
Quartz Monzonite
Associated rock
Quartz Monzonite · Butte Quartz Monzonite (Boulder Batholith)
Structure
Boulder Batholith
Economic & production
Development status
Past Producer
Identification
Deposit ID
10019566
MRDS ID
DC10833
Region
NA
Data score
C
Coordinates
46.03323, -112.52589
References
USBM R1 7148USGS-USBM MINERAL YEARBOOKS 1957