Usage:
Pachuta Marl Member of Yazoo Clay of Jackson Group (AL*,MS*)
Pachuta Marl Member of Yazoo Formation of Jackson Group (AL*,MS*)
Geologic age:
early Tertiary (late Eocene)*
Type section, locality, area and/or origin of name:
Type locality: exposures on south side of Pachuta Creek, 1.25 mi south and southeast of Pachuta, in SW/4 sec. 8, T. 2 N., R. 14 E., Clarke Co., eastern MS (Murray, 1947).
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 ([ ]).