Usage:
Crawfish Schist of Allatoona Complex (GA*)
Geologic age:
Precambrian*
Proterozoic, Early(?)*
Proterozoic, Middle*
Type section, locality, area and/or origin of name:
Type section: continuous outcrops along an unnamed creek that flows east from unnamed lake, about 4 km south of U.S. Interstate Highway I-20 past abandoned Villa Rica Waterworks, Villa Rica 7.5-min quadrangle, northwestern GA (Crawford and others, 1999).
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 ([ ]).