Montana · Silver Bow County
Past Producer
Bertha Mine
Silver Bow County, Montana, United States
Copper
Silver
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USGS source ↗
Commodities
Primary
Copper
Secondary
Silver
Commodity type
M
Deposit
Deposit size
S
Materials
Ore minerals
Chalcopyrite, Chrysocolla, Cuprite, Malachite, Tenorite
Gangue
Quartz
Geology
Host rock
Quartz Monzonite
Associated rock
Quartz Monzonite · Butte Quartz Monzonite (Boulder Batholith)
Economic & production
Development status
Past Producer
Identification
Deposit ID
10014483
MRDS ID
D011280
Region
NA
Data score
C
Coordinates
46.00823, -112.48145
References
USGS PP 74, P. 235, PL. X.USGS-USBM MINERAL YEARBOOK 1952, 1954.USGS PP 74, P. 235;