Montana · Powell County
Past Producer

Cyclone Mine

Powell County, Montana, United States
CopperSilverGold
⌖ Show on mapUSGS source ↗
Commodities
PrimaryCopper
SecondarySilver, Gold
Commodity typeM
Deposit
Deposit sizeS
Ore controlTactite Zone Along Contact Between Limestone And Porphyritic Granite
Materials
Ore mineralsGold, Malachite
GangueGarnet, Quartz, Vermiculite
Geology
Host rockLimestone,Granite
Associated rockGranite · Butte Quartz Monzonite (Boulder Batholith)
StructureBoulder Batholith
Economic & production
Development statusPast Producer
Identification
Deposit ID10015926
MRDS IDDB02219
RegionNA
Data scoreB
Coordinates46.69851, -112.49673
References
MBMG BULL 98, P. 27, 33, 62.MBMG BULL 33, P. 28.MBMG BULL 98, P. 62.