Usage:
Tatum Limestone Member of Catahoula Sandstone (subsurface of AL*,FL*,LA*,MS*)
(Is same as HETEROSTEGINA limestone (informal) of MS Geol. Survey.)
Geologic age:
Oligocene and Miocene(?)*
Type section, locality, area and/or origin of name:
Type section (subsurface): U.S. Atomic Energy Commission hydrologic test well 1, in NE/4 SW/4 sec. 12, T. 2 N., R. 16 W., Tatum dome area, Lamar Co., MS; datum is 321 ft above sea level (Eargle, 1964).
Reference section (subsurface): U.S. Atomic Energy Commission hydrologic test well 2, in SW/4 SW/4 sec. 14, T. 2 N., R. 16 W.; datum is 302 ft above sea level (Eargle, 1964).
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 ([ ]).