Usage:
Parachucla Formation of Hawthorn Group (FL*,GA*)
Parachucla Formation (SC*)
Subunits:
Tiger Leap Member (FL,GA), Porters Landing Member (FL,GA,SC)
Geologic age:
Tertiary (late Oligocene to early Miocene)*
Type section, locality, area and/or origin of name:
Named from exposures along the Savannah River in vicinity of Parachucla, [at Porters Landing and Marl Lake in Effingham Co.], southeastern GA (US geologic names lexicons, USGS Bull. 896, 1200).
Principal reference section: at Porters Landing, on the Savannah River, Effingham Co., GA (Huddlestun, 1988).
Reference section (subsurface): Effingham 10 core (GGS-3108) (Huddlestun, 1988).
AAPG geologic province:
Atlantic Coast basin*
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 ([ ]).