U.S. Geological Survey Home AASG Logo USGS HOME CONTACT USGS SEARCH USGS
National Geologic Map Database

Geologic Unit: Norcross

Usage:

No current usage.
(†Norcross Gneiss (GA) replaced with Lithonia Gneiss, which has priority. See Lithonia.)


Geologic age:

Silurian(?)


Type section, locality, area and/or origin of name:

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).


AAPG geologic province:

Piedmont-Blue Ridge province


For more information, please contact Nancy Stamm, Geologic Names Committee Secretary.

Asterisk (*) indicates usage by the U.S. Geological Survey. Other usages by state geological surveys.

"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 does not conform with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005). This may be explained within brackets ([ ]).