No current usage.
(†DeKalb Limestone (also spelled De Kalb) in Bronson Group (IA,KS,MO,NE) considered same as Winterset Limestone. See Winterset.)
Late Pennsylvanian (Missourian)
Named from DeKalb, Decatur Co., IA (Bain, 1898).
Forest City basin
Iowa shelf
For more information, please contact Nancy Stamm, Geologic Names Committee Secretary.
Asterisk (*) indicates published by U.S. Geological Survey authors.
"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 conflicts with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005, 2021). May be explained within brackets ([ ]).