Mine detail: Keokirk-Elm Orlu Group

Previously called 'Keokuk'

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Location

Lat / long:

45.59156, -112.937

Resource(M)

Primary:	Silver, Copper
Secondary:	Gold
Gangue:	Pyrite, Quartz
Orebody form:	IRREGULAR, TABULAR
Discovery year:	1872

Production

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

Geology

Host rock:	Hasmark;Park Formation
Host type:	Dolomite
Associated rock:	Quartz Monzonite
Associated type:	Quartz Monzonite

References

MRDS	D004822
DEP	10010831
Reference	{Deposit:: MBMG MEM 25, P. 74-78.}{Deposit:: MBMG BULL 85, P. 115-118.}{Deposit:: 1948 COMPILE M.B.M.G. MEM. 2}{Production:: M.B.M.G. BULL. 85.}
Reporter	Loen, Jeffrey S. (Pearson, Robert C.)