Mine detail: German Gulch Placers

Previously called 'Siberia Placers'

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Location

Lat / long:

45.96767, -112.84146

Resource(M)

Primary:	Gold
Secondary:	Silver
Ore:	Gold
Gangue:	Chalcopyrite, Sylvanite
Orebody form:	IRREGULAR
Discovery year:	1864

Production

Operation type:	Unknown
Deposit type:	Placer
Production size:	Small
Development status:	Past Producer
First production started:	1865

Geology

Host type:	Alluvium
Associated rock:	Boulder Batholith;Volcanics
Associated type:	Quartz Monzonite
Structure:	Boulder Batholith, Tertiary Volcanics

References

MRDS	W026570
DEP	10078301
Reference	{Deposit:: DINGMAN, O. A., 1932 , PLACER MINING POSSIBILITIES IN MONTANA, MONTANA BUREAU OF MINES AND GEOLOGY, MEMOIR NO. 5 P. 28}{Deposit:: LYDEN, C. J., 1948 , THE GOLD PLACERS OF MONTANA: MONTANA BUREAU OF MINES AND GEOLOGY MEMOIR 26 , P. 142 , 143}{Deposit:: USGS BULL 574, P. 102-103.}{Production:: WINCHELL, 1914}
Reporter	Mc Kenzie, Craig L.; R. B. Berg, Loen, Jeffrey S. (Pearson, Robert C.)