Montana · Deer Lodge County
Past Producer

Ontario Mine

Deer Lodge County, Montana, United States
SilverLeadCopperBarium-BariteArsenic
⌖ Show on mapUSGS source ↗
Commodities
PrimarySilver
SecondaryLead, Copper
TertiaryBarium-Barite, Arsenic
Commodity typeB
Deposit
Deposit sizeS
Materials
Ore mineralsGalena, Tetrahedrite
GangueBarite
Geology
Host rockLimestone · Jefferson Formation
StructurePhilipsburg Batholith, Cable Stock
Economic & production
Development statusPast Producer
Production yearsPRE-1906
Last production1906
Identification
Deposit ID10019613
MRDS IDDC10954
RegionNA
Data scoreC
Coordinates46.20017, -113.25869
References
USGS PP 78, P. 238.MBMG BULL 84, P. 18-19.EMMONS, 1913, USGS PROF PAPER 78