Montana · Lewis and Clark County
Past Producer

Johny Mine

Lewis and Clark County, Montana, United States
LeadSilver
⌖ Show on mapUSGS source ↗
Commodities
PrimaryLead, Silver
Commodity typeM
Deposit
Deposit sizeS
Materials
Ore mineralsGalena
GanguePyrite, Quartz, Tourmaline
Geology
Host rockQuartz Monzonite
Associated rockQuartz Monzonite · Butte Quartz Monzonite (Boulder Batholith)
StructureBoulder Batholith, Red Mountain Fault
Economic & production
Development statusPast Producer
Identification
Deposit ID10019776
MRDS IDDC11451
Alternate namesJohnnie Mine
RegionNA
Data scoreC
Coordinates46.47323, -112.24978
References
USGS BULL 842, P. 254.USGS PP 428, PL. 1.USGS-USBM MINERAL YEARBOOK, 1911