Commodities
PrimaryCopper, Silver
SecondaryLead, Gold, Zinc
TertiaryBismuth, Antimony
Commodity typeM
Deposit
Deposit sizeS
WorkingsUnderground
Orebody formIRREGULAR
Materials
Ore mineralsBornite, Chalcopyrite, Gold, Tetrahedrite
GanguePyrite, Quartz
Geology
Host rockQuartz Monzonite
Associated rockQuartz Monzonite,Andesite · Butte Quartz Monzonite (Boulder Batholith);Elkhorn Mountain Volcanics
StructureBoulder Batholith
AlterationSericitization, Oxidation, Some Pyritization
Economic & production
Development statusPast Producer
Last production1917
Identification
Deposit ID10101934
MRDS IDDB02151
Alternate namesBertha Group
RegionNA
Data scoreB
Coordinates46.38018, -112.0881
References
MBMG BULL 16, P. 47-9.USGS BULL 842, P. 242.USGS BULL 527 P. 110-11.USGS PP 428, P. 78.