Usage:
Chattahoochee Formation (FL,GA)
Chattahoochee Formation of Hawthorn Group (GA)
Geologic age:
late Tertiary (Miocene)
Type section, locality, area and/or origin of name:
Named from exposures along Chattahoochee River, especially at Chattahoochee Landing, Gadsden Co., northwestern FL (US geologic names lexicons, USGS Bull. 896, 1200).
Type locality: Jim Woodruff Dam section located on dam access road in SW/4 sec. 29, T. 4 N., R. 6 W., directly below U.S. Engineers office on east side of Apalachicola River, [Chattahoochee 7.5-min quadrangle, Seminole Co., GA] (see Hendry and Yon, 1958).
AAPG geologic province:
Florida platform
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 ([ ]).