Mine detail: Keystone

Previously called ''

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Location

Lat / long:

45.57379, -111.95975

Resource(M)

Primary:	Tungsten
Tertiary:	Antimony, Copper
Ore:	Huebnerite, Tetrahedrite

Production

Operation type:	Unknown
Deposit type:	Vein
Production size:	None
Development status:	Occurrence

Geology

Host rock:	Pre Belt Pony-Cherry Creek Series
Host type:	Quartz Monzonite
Associated rock:	Tobacco Root Batholith-Quartz Monzonite
Associated type:	Quartz Monzonite
Structure:	Nw-Trending Bismark Fault

References

MRDS	D004285
DEP	10094322
Reference	{Deposit:: WINCHELL, 1916, MINING DISTRICTS-DILLON QUAD, MONT, USGS BULL 574 P. 125}{Deposit:: TANSLEY AND HART, 1933, GEOL. RECON-TOBACCO ROOT MTN, MADISON CO., MONT, MBMG MEM 9, P. 32}{Deposit:: EYDE, 1958, POTOSI TUNGSTEN DIST, MADISON CO, MONT, MBMG. INF. CIRC. 21, P. 43}{Deposit:: 1916 COMPILE WINCHELL, BULL 574}{Deposit:: 1933 RECON MBMG MEM 9}{Deposit:: 1958 COMPILE MBMG INF CIR. 21}{Production:: TANSLEY, ET AL, P. 26.}
Reporter	Doyle, Brien (Wells, John)