Commodities
PrimaryTalc-Soapstone
Commodity typeN
Deposit
Deposit typeReplacement
Deposit sizeM
Orebody formTABULAR
Ore controlLithology Of Host Rock
Materials
Ore mineralsTalc
GangueApatite, Chlorite, Graphite, Gypsum, Limonite, Rutile
Geology
Host rockMarble · Pre Belt;Biotite Schist;Quartzofeldspathic Gneiss
StructureHigh Angle Right-Lateral Faults Trending Nw.
Tectonic settingPrecambrian Basement
Economic & production
Development statusProducer
Identification
Deposit ID10070449
MRDS IDW013391
Alternate namesTri-State, Treasure Chest Mine, Treasure State Mine
RegionNA
Data scoreB
Coordinates45.22796, -112.31031
References
OLSON, R. H., (IN PREP.) THE GEOLOGY OF MONTANA TALC DEPOSITS: TO BE PUBLISHED BY THE MBMG IN THE PROCEEDINGS VOLUME OF THE ELEVENTH FORUM ON THE GEOLOGY OF INDUSTRIAL MINERALSGARIHAN, J. M., 1973, GEOLOGY AND TALC DEPOSITS OF THE CENTRAL RUBY RANGE, MADISON COUNTY, MONTANA: UNPUB. PHD DISS. PENN. STATE UNIV.MBMG MEM. 45, P. 34.