Montana · Madison County
Occurrence
Mary Mark Lode
Madison County, Montana, United States
Gold
Silver
Manganese
Tungsten
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USGS source ↗
Description
Potosi Tungsten Mining Company
Commodities
Primary
Gold, Silver, Manganese, Tungsten
Commodity type
M
Deposit
Deposit size
N
Orebody form
IRREGULAR
Geology
Host rock
Quartz Monzonite
Structure
Tobacco Root Batholith
Economic & production
Development status
Occurrence
Discovery year
1937
Identification
Deposit ID
10022789
MRDS ID
FS00265
Region
NA
Data score
D
Coordinates
45.56518, -111.96975
References
1963 DIREXPL USFS