Montana · Silver Bow County
Past Producer

Otisco Mine

Silver Bow County, Montana, United States
ZincLeadSilverGoldCopper
⌖ Show on mapUSGS source ↗
Commodities
PrimaryZinc, Lead, Silver
SecondaryGold, Copper
Commodity typeM
Deposit
Deposit sizeS
WorkingsUnknown
Materials
Ore mineralsChalcocite, Galena, Gold, Sphalerite
GanguePyrite, Quartz
Geology
Host rockQuartz Monzonite
Associated rockQuartz Monzonite · Butte Quartz Monzonite (Boulder Batholith)
StructureBoulder Batholith
Economic & production
Development statusPast Producer
Identification
Deposit ID10019640
MRDS IDDC11027
RegionNA
Data scoreB
Coordinates46.00907, -112.52589
References
USBM, 1943, REPT TO SEC. OF INT.: OTISCO MINEUSGS PP 74, P. 193, PL. XX1USGS-USBM MINERAL YEARBOOK 1927, 1934