Montana · Jefferson County
Past Producer
Pen Yan Mine
Jefferson County, Montana, United States
Gold
Silver
Copper
Lead
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USGS source ↗
Commodities
Primary
Gold, Silver
Secondary
Copper, Lead
Commodity type
M
Deposit
Deposit size
S
Ore control
Bluebird-Mount Washington Shear Zone
Materials
Ore minerals
Gold
Geology
Host rock
Quartz Monzonite,Tuff
Associated rock
Quartz Monzonite,Tuff,Quartz Latite · Quartz Latite Flows And Dikes;Butte Quartz Monzonite;Elkhorn Mountain Volcanics
Structure
Boulder Batholith
Economic & production
Development status
Past Producer
Identification
Deposit ID
10019630
MRDS ID
DC11004
Alternate names
Penn Yan Mine
Region
NA
Data score
B
Coordinates
46.35823, -112.17727
References
MBMG BULL 16, P. 53.USGS PP 428, P. 72-3, PL. 1.MBMG MEM 20, P. 42.MBMG BULL 16, P. 53. MBMG MEM 20, P. 42.