No current usage.
(†Enterprise Sandstone (OK-recognized locally in Muskogee Co.) replaced with Bluejacket Sandstone Member of Boggy Shale. See Bluejacket.)
Pennsylvanian
Recognized in Muskogee Co., central eastern OK.
Chautauqua platform
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 ([ ]).