Montana · Madison County
Past Producer
Gold Nugget Claim
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
Ore control
Granite Sill Parallels Footwall Of Vein
Geology
Host rock
Schist · Pre Belt
Associated rock
Lamprophyre
Structure
Boulder Batholith, 200-Ft Wide Lamprophyre Strikes Nw.
Economic & production
Development status
Past Producer
Discovery year
1931
Identification
Deposit ID
10010909
MRDS ID
D004992
Region
NA
Data score
C
Coordinates
45.62351, -112.49199
References
MBMG MEM 19, P. 39-401950 GEOLMAP MBMG MEMOIR 1