Usage:
No current usage.
(†Promised Land Formation (GA) replaced with Lithonia Gneiss, which has priority. See Lithonia.)
Geologic age:
Precambrian
Proterozoic, Late
Cambrian
Ordovician, Early(?)
Type section, locality, area and/or origin of name:
Type section: roadcuts along GA Highway 124 where it crosses Yellow River, 1 km west of Promised Land, Snellville 7.5-min quadrangle, Gwinnett Co., GA (Higgins and Atkins, 1981).
AAPG geologic province:
Piedmont-Blue Ridge 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 ([ ]).