Usage:
Fort Valley Group (AL,GA)
Subunits:
(ascending): Nakomis Formation (GA), Providence Sand (GA,AL), Marshallville Formation (GA), Mossy Creek Sand (GA,AL), Perry Sand (GA).
Geologic age:
Late Cretaceous (Maastrichtian) and early Tertiary (Paleocene and Eocene)
Type section, locality, area and/or origin of name:
Exposure at a large, unnamed bluff in the eastern valley wall of the Flint River on a county road, approximately 3.2 mi west-northwest of the town of Marshallville. Named from town in Peach Co., GA (Huddlestun and Hetrick, 1991).
AAPG geologic province:
South Georgia sedimentary 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 ([ ]).