Mine detail: Beaverhead Mine

Previously called 'Sierra Strip Mine'

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Location

Lat / long:

45.22518, -112.30337

Resource(N)

Primary:	Talc-Soapstone
Ore:	Talc
Orebody form:	POD

Production

Operation type:	Unknown
Deposit type:	Replacement
Production size:	Medium
Development status:	Producer

Geology

Host rock:	Pre Belt;Gneiss;Schist;Amphibolite
Host type:	Marble
Structure:	Minor Faults Offset Talc Body, Possible Isoclinal Folding, Steeply Inclined Faults
Tectonic:	Precambrian Basement

References

MRDS	W013398
DEP	10070456
Reference	{Deposit:: 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 MINERALS}{Deposit:: GARIHAN, J. M., 1973, GEOLOGY AND TALC DEPOSITS OF THE CENTRAL RUBY RANGE, MADISON COUNTY, MONTANA: UNPUB. PHD DISS. PENN. STATE UNIV.}{Deposit:: BERG, R.B., 1979, TALC AND CHLORITE DEPOSITS IN MONTANA: MONTANA BUREAU OF MINES AND GEOLOGY MEMOIR 45, P.34.}
Reporter	Loen, Jeffrey S. (Pearson, Robert C.), Berg, Richard B. (Krohn, D. H.)