Mine detail: Gem Mine

Previously called 'Part of Trout Group'

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Location

Lat / long:

46.32906, -113.27453

Resource(M)

Primary:	Silver, Manganese
Secondary:	Copper, Lead, Zinc
Tertiary:	Arsenic, Antimony
Ore:	Galena, Proustite, Psilomelane, Pyrolusite, Sphalerite, Tetrahedrite
Gangue:	Calcite, Dolomite, Quartz, Rhodochrosite
Orebody form:	TABULAR

Production

Operation type:	Unknown
Deposit type:	Polymetallic Replacement
Production size:	Small
Development status:	Past Producer

Geology

Host rock:	Red Lion Formation;Hasmark Formation
Host type:	Quartzite,Marble,Limestone
Associated rock:	Philipsburg Batholith
Associated type:	Diorite
Structure:	Philipsburg Batholith, Philipsburg Anticline, Philipsburg Overthrust
Alteration processes:	Oxidized

References

MRDS	DC10927
DEP	10019605
Reference	{Deposit:: USGS PP 78, P. 210.}{Deposit:: USGS BULL 1237, P. 31-57, PLATES.}{Deposit:: USGS BULL 922-G P.}{Production:: USGS PP 78.}
Reporter	Unknown, Wise, Kristine K. (Elliott, James E.)