Montana · Jefferson County
Past Producer

Yama Group

Jefferson County, Montana, United States
SilverLeadGoldZinc
⌖ Show on mapUSGS source ↗
Commodities
PrimarySilver, Lead
SecondaryGold, Zinc
Commodity typeM
Deposit
Deposit sizeS
Materials
Ore mineralsGalena, Gold, Sphalerite
GangueQuartz
Geology
Host rockQuartz Monzonite
Associated rockQuartz Monzonite · Butte Quartz Monzonite (Boulder Batholith)
StructureBoulder Batholith
Economic & production
Development statusPast Producer
Identification
Deposit ID10019768
MRDS IDDC11435
RegionNA
Data scoreB
Coordinates46.41573, -112.20782
References
MBMG BULL 16, P. 43-4.USGS PP 428, PL. 1.