Montana · Jefferson County
Prospect
Grubstake Lode
Jefferson County, Montana, United States
Gold
Silver
Copper
Lead
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USGS source ↗
Description
Filmore Mikkola
Commodities
Tertiary
Gold, Silver, Copper, Lead
Commodity type
M
Deposit
Deposit type
Vein
Deposit size
N
Workings
Underground
Orebody form
IRREGULAR
Materials
Ore minerals
Chalcopyrite, Galena, Gold
Geology
Associated rock
Quartz Monzonite · Boulder Batholith, Qtz Monzonite
Economic & production
Development status
Prospect
Discovery year
1939
Identification
Deposit ID
10022826
MRDS ID
FS00315
Region
NA
Data score
D
Coordinates
45.98184, -112.30727
References
1941 DIREXPL USFS