Usage:
Oconee Group (GA)
Subunits:
(alphabetical): Black Mingo Formation, Gaillard Formation, Snapp Formation, Steel Creek Formation.
(ascending) "Tuscaloosa formation" (GA), Pio Nono Formation (GA), Cape Fear Formation (GA), Gaillard Formation (GA), Middendorf Formation (GA), and Huber Formation (GA)
Geologic age:
Late Cretaceous and early Tertiary (Paleocene); Austinian to Navarroan, and Midwayan
Type section, locality, area and/or origin of name:
Type section: composite of Pio Nono, Gaillard, and Huber formations type sections. Named from Oconee River (Huddlestun and Hetrick, 1991).
Type area: vicinity of Ocmulgee River in the west, into Washington Co., GA, in the east.
AAPG geologic province:
South Georgia sedimentary province
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 ([ ]).