Archusa Marl Member of Cook Mountain Formation of Claiborne Group (MS*)
early Tertiary (middle Eocene)*
Type locality: bluff beneath south end of bridge across Chickasawhay River on U.S. Highway 45, 2 mi south of Quitman, Clarke Co., eastern MS. Named from Archusa Springs, a health resort (Thomas, 1942).
Mid-Gulf Coast 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 ([ ]).