Mine detail: Yellow Band Shafer Group

Previously called 'Shafer GroupArgenta'

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Location

Lat / long:

45.3349, -112.90506

Resource(M)

Primary:	Gold, Silver, Copper
Secondary:	Lead, Zinc
Ore:	Cinnabar, Gold, Stibnite, Tetrahedrite
Gangue:	Calcite, Quartz
Orebody form:	LENSES
Discovery year:	1934

Production

Operation type:	Unknown
Deposit type:	Polymetallic Replacement
Production size:	Yes
Development status:	Past Producer
First production started:	1934

Geology

Host rock:	Jefferson;Three Forks
Host type:	Dolomite
Structure:	Kelly Thrust Trends Ne And Dips 45 W. Area Of Tear Faults, Overturning And Tight Folds
Alteration processes:	Brecciation

References

MRDS	W002863
DEP	10069277
Reference	{Deposit:: GEACH, R.D., 1972, MINES & MINERAL DEPOSITS, BEAVERHEAD CO., MONTANA BUREAU OF MINES & GEOLOGY BULL. 85.}{Deposit:: MBMG BULL 92.}{Deposit:: 1972 COMPILE M.B.M.G., GEACH, R.D., BULL. 85}{Deposit:: 1972 COMPILE M.B.M.G., GEACH, R.D., BULL. 85, SIZE & DIRECTIONAL DATA}{Production:: GEACH, R.D., 1972, MONTANA BUREAU OF MINES & GEOLOGY BULL. 85}
Reporter	Mlynarczyk, Meg S., Loen, Jeffrey S. (Pearson, Robert C.)