Mine detail: Jumbo Group

Previously called 'Birch Cr Fe'

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Location

Lat / long:

45.39157, -112.84256

Resource(M)

Primary:	Iron
Tertiary:	Tungsten
Ore:	Magnetite, Powellite, Scheelite
Gangue:	Calcite, Epidote, Hematite
Orebody form:	SHOOTS OR LENSES

Production

Operation type:	Unknown
Deposit type:	Contact Metasomatic
Production size:	Small
Development status:	Past Producer
Production years:	POST-1908.
First production started:	1908

Geology

Host rock:	Wolsey, Pilgrim
Host type:	Limestone,Dolomite
Associated rock:	Pioneer Batholith
Associated type:	Quartz Monzonite
Structure:	East Limb Of Humbolt Mtn Anticline, Pioneer Batholith

References

MRDS	DC11924
DEP	10019915
Reference	{Deposit:: USBM RI 5552, P. 78.}{Deposit:: MBMG BULL 85, P. 93.}{Deposit:: MBMG IC 13, P. 30-31.}{Deposit:: 1960 RECON U.S. BUREAU OF MINES, R.I. 5552}{Deposit:: 1972 COMPILE M.B.M.G. BULL. 85}{Production:: M.B.M.G. BULL. 85, P. 93, M.B.M.G. I.C. 13, P. 31}
Reporter	Unknown, Loen, Jeffrey S. (Pearson, Robert C.)