Usage:
Red Bluff Clay (AL*,MS*)
Red Bluff Clay of Vicksburg Group (AL,MS)
Red Bluff Formation (AL*,MS*,FL)
Red Bluff Formation of Vicksburg Group (MS)
Geologic age:
Tertiary*
Oligocene, early*
Type section, locality, area and/or origin of name:
Exposures at Red Bluff, on Chickasawhay River just above railroad bridge, 1.5 mi south of Shubuta, Wayne Co., MS (Hilgard, 1860).
AAPG geologic province:
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 ([ ]).