Montana · Jefferson County
Past Producer
Pilot Mines
Jefferson County, Montana, United States
Lead
Silver
Copper
Gold
Zinc
Uranium
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USGS source ↗
Commodities
Primary
Lead, Silver, Copper
Secondary
Gold, Zinc
Tertiary
Uranium
Commodity type
M
Deposit
Deposit size
S
Workings
Underground
Ore control
Shear Zone, Bleached Zone 8-10 Ft.
Materials
Ore minerals
Galena, Gold, Malachite, Sphalerite
Gangue
Limonite, Pyrite, Quartz
Geology
Host rock
Quartz Monzonite
Associated rock
Quartz Monzonite · Butte Quartz Monzonite (Boulder Batholith)
Structure
Boulder Batholith
Alteration
Oxidized, Silicified
Economic & production
Development status
Past Producer
Production years
1906, 1924, 1931, 1949.
Identification
Deposit ID
10015915
MRDS ID
DB02203
Region
NA
Data score
B
Coordinates
46.30601, -112.10505
References
MBMG BULL 16, P. 21-2. PL. 1USGS PP 428, P. 94, PL. 1.MBMG BULL 16, P. 98.