Montana · Jefferson County
Producer

Australian

Jefferson County, Montana, United States
SilverLeadCopperGoldZincArsenic
⌖ Show on mapUSGS source ↗
Commodities
PrimarySilver, Lead
SecondaryCopper, Gold, Zinc
TertiaryArsenic
Commodity typeM
Deposit
Deposit sizeS
WorkingsUnderground
Ore controlBismark-Van Armin Shear Zone
Materials
Ore mineralsChalcopyrite, Galena, Sphalerite
GanguePyrite, Quartz
Geology
Host rockQuartz Monzonite,Quartz Latite
Associated rockQuartz Monzonite,Quartz Latite · Quartz Latite (Boulder Batholith);Butte Quartz Monzonite
StructureBoulder Batholith
Economic & production
Development statusProducer
Discovery year1873
Identification
Deposit ID10019622
MRDS IDDC10990
RegionNA
Data scoreB
Coordinates46.31101, -112.14394
References
MBMG BULL 16, P. 21, 98.USGS PP 428, PL 1.MBMG BULL 16, P. 98.