Usage:
Degonia Sandstone (IL*,IN*,KY*)
Degonia Formation (IL*,KY*)
Degonia Formation of Pope Group (IL)
Degonia Sandstone of Buffalo Wallow Group (IN-subsurface)
Geologic age:
Late Mississippian (Serpukhovian; late Chesterian)*
Type section, locality, area and/or origin of name:
Cliffs along several tributaries to the Mississippi River in Degonia Twp., Jackson Co., IL (Weller, 1920).
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 ([ ]).