Montana · Madison County
Occurrence
Quartz City
Madison County, Montana, United States
Silver
Copper
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USGS source ↗
Commodities
Primary
Silver
Secondary
Copper
Commodity type
M
Deposit
Deposit type
Vein
Deposit size
N
Ore control
Fault
Materials
Ore minerals
Copper, Silver
Geology
Associated rock
Quartz Monzonite
Structure
Bismark Fault
Economic & production
Development status
Occurrence
Identification
Deposit ID
10094647
MRDS ID
D010481
Region
NA
Data score
C
Coordinates
45.61657, -112.05087
References
E. CATHER, USBM, SPOKANE, PERSONAL COMM., 1983