Usage:
Reelsville Limestone (IN*, KY*)
Reelsville Limestone of West Baden Group (IN)
Reelsville Limestone Member of Ridenhower Formation (IL)
Geologic age:
Middle Mississippian (Visean; early Chesterian)*
Type section, locality, area and/or origin of name:
Type section: near center sec. 21, T. 13 N., R. 5 W., along highway down hill, south bluff of Walnut Creek, just south of Reelsville, Putnam Co., IN (Malott, 1952).
AAPG geologic province:
Illinois basin*
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 ([ ]).