No current usage.
(†Eulie shale (informal) (TN) considered obsolete. Rocks reallocated to unnamed part of Maury Formation. See Maury.)
Mississippian, Early
Not designated. Occurs only at Bransford, Westmoreland, and Eulie, Sumner Co., central TN (Campbell, 1946).
Cincinnati arch
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 ([ ]).