Usage:
Powers Ferry Member of Stonewall Gneiss (GA*)
Geologic age:
Neoproterozoic to Middle Ordovician(?)
Type section, locality, area and/or origin of name:
Type area: Powers Ferry Landing, where Powers Ferry once crossed the Chattahoochee River, and exposed in cuts in Powers Ferry Landing shopping center, Fulton Co., GA (Higgins and McConnell, 1978).
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 ([ ]).