Usage:
Catahoula Formation (LA*,MS*,TX*)
Catahoula Sandstone (AL*,FL*,MS*,TX*)
Catahoula Tuff (TX*)
[?] Catahoula Group (LA,TX)
Subunits:
(alphabetical): Cassel Hill Member (LA), Chalk Hills Member (LA), Chita Sand Member (TX), Chusa Tuff Member (TX*), Corough Sandstone Member (TX), Dunlap Quarry Sandstone Member (TX), Fant Tuff Member (TX*), Onalaska Member (TX), Soledad Conglomerate Member (TX*), Tatum Limestone Member (AL*,FL*,LA*,MS*).
Geologic age:
Oligocene and Miocene*
Type section, locality, area and/or origin of name:
Named from typical development in Catahoula Parish, LA (Veatch, 1905).
AAPG geologic province:
Arkla basin
Gulf Coast basin*
Mid-Gulf Coast basin*
Upper Mississippi embayment*
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 ([ ]).