Montana · Madison County
Past Producer
Index Mine
Madison County, Montana, United States
Gold
Silver
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USGS source ↗
Commodities
Primary
Gold, Silver
Commodity type
M
Deposit
Deposit type
Vein
Deposit size
S
Orebody form
IRREGULAR LENSES
Ore control
Fissure Zone
Materials
Gangue
Limonite, Quartz
Geology
Host rock
Schist · Pre Belt
Structure
Rochester Fault Trends N50w.
Alteration
Oxidation
Economic & production
Development status
Past Producer
Identification
Deposit ID
10019957
MRDS ID
DC12053
Region
NA
Data score
C
Coordinates
45.61296, -112.51671
References
MBMG MEM 19, P. 45.CONSV. DIV. COMP. DATE, 05-22-1963