Galena Dolomite (IL*,IA*,MN*,WI*)
Galena Formation (MN*,WI*)
Galena Group (IL*,IA,MN*,WI)
Exposures in bluffs of Mississippi River in vicinity of Galena, Jo Daviess Co., IL (Hall, 1851).
For more information, please contact Nancy Stamm, Geologic Names Committee Secretary.
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"No current usage" (†) implies that a name has been abandoned or has fallen into disuse. Former usage and, if known, replacement name given in parentheses ( ).
Slash (/) indicates name does not conform with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005). This may be explained within brackets ([ ]).