Montana · Jefferson County
Past Producer

Free Enterprise Mine

Jefferson County, Montana, United States
SilverUraniumLeadCopperZincMolybdenumBarium-BariteArsenicAntimony
⌖ Show on mapUSGS source ↗
Description

Sanford Davis

Commodities
PrimarySilver, Uranium
SecondaryLead, Copper, Zinc
TertiaryMolybdenum, Barium-Barite, Arsenic, Antimony
Commodity typeB
Deposit
Deposit sizeS
Orebody formTABULAR, PODS
Materials
Ore mineralsChalcopyrite, Galena, Molybdenite, Pitchblende, Silver, Uraninite
GangueBarite, Limonite, Pyrite, Quartz
Geology
Host rockQuartz Monzonite · Butte Quartz Monzonite;Aplite And Alaskite Dikes
Associated rockQuartz Monzonite,Granite · Aplite Alaskite Dike (Boulder Batholith);Butte Quartz Monzonite
StructureBoulder Batholith
Economic & production
Development statusPast Producer
Discovery year1949
Identification
Deposit ID10103894
MRDS IDM060809
Alternate namesSilver Bell
RegionNA
Data scoreB
Coordinates46.25573, -112.14866
References
USGS BULL 988-G, P. 143-155.MBMG BULL 16, P. 39-40.USGS PP 428, P. 20, 40-42, 94, PL. 1.1950 GEOLMAP ROBERTS, W., USGS BULL., 988-USGS BULL, 988-G