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National Geologic Map Database

Geologic Unit: Chattahoochee

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 ([ ]).