Ringgold member [informal] of Sequatchie Formation (GA)
Considered informal until formally published. The rank or lithologic term should not be capitalized.
Ordovician, Late
Maysvillian
Ringgold Gap, northwestern GA (Rindsberg and Chowns, 1986).
Appalachian 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 ([ ]).