Montana · Beaverhead County
Past Producer

Jumbo Group

Beaverhead County, Montana, United States
IronTungsten
⌖ Show on mapUSGS source ↗
Commodities
PrimaryIron
TertiaryTungsten
Commodity typeM
Deposit
Deposit typeContact Metasomatic
Deposit sizeS
WorkingsUnderground
Orebody formSHOOTS OR LENSES
Ore controlTactite On Toungue Of Intrusive
Materials
Ore mineralsMagnetite, Powellite, Scheelite
GangueCalcite, Epidote, Hematite
Geology
Host rockLimestone,Dolomite · Wolsey, Pilgrim
Associated rockQuartz Monzonite · Pioneer Batholith
StructureEast Limb Of Humbolt Mtn Anticline, Pioneer Batholith
Economic & production
Development statusPast Producer
Production yearsPOST-1908.
First production1908
Identification
Deposit ID10019915
MRDS IDDC11924
Alternate namesBirch Cr Fe
RegionNA
Data scoreB
Coordinates45.39157, -112.84256
References
USBM RI 5552, P. 78.MBMG BULL 85, P. 93.MBMG IC 13, P. 30-31.1960 RECON U.S. BUREAU OF MINES, R.I. 55521972 COMPILE M.B.M.G. BULL. 85M.B.M.G. BULL. 85, P. 93, M.B.M.G. I.C. 13, P. 31