Usage:
Shellmound Formation (GA*,TN*)
Shellmound Member of Sequatchie Formation (GA)
Subunits:
Fernvale Member (GA*,TN*).
Geologic age:
Late Ordovician*
Type section, locality, area and/or origin of name:
Type section: roadcuts along west lane of U.S. Interstate Highway I-24 near Shellmound, a few hundred meters west of Jasper interchange, Marion Co., TN (Milici and Wedow, 1977).
AAPG geologic province:
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 ([ ]).