No current usage.
(†Norcross Gneiss (GA) replaced with Lithonia Gneiss, which has priority. See Lithonia.)
Silurian(?)
Industrial parks on both sides of Jimmy Carter Blvd., southeast of U.S. Interstate Highway I-85, Norcross 7.5-min quadrangle, Gwinnett Co., GA. Named from the city of Norcross (Higgins and Atkins, 1981).
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 ([ ]).