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National Geologic Map Database

Geologic Unit: Atlanta

Usage:

No current usage.
(†Atlanta Group (GA) abandoned.)


Subunits:

Inman Yard Formation; Wolf Creek Formation; Promised Land Formation and its Hannah Member; Norcross Gneiss; Clairmont Formation; Senoia Formation; Wahoo Creek Formation Stonewall Formation; Clarkston Formation and its Fairburn and Tar Creek Members; Big Cotton Indian Formation; Intrenchment Creek Quartzite; Camp Creek Formation. (of Higgins and Atkins, 1981)


Geologic age:

Late Proterozoic to early Paleozoic


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

Type area: area around Atlanta, Fulton 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 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 ([ ]).