Usage:
Talladega Group (AL*)
Talladega Slate (AL*,GA*,NC,TN)
Talladega Formation (AL,GA,NC,TN)
Subunits:
GROUP STATUS: Lay Dam Formation and its Cheaha Quartzite Member (AL*), Butting Ram Sandstone (AL*), Jemison Chert (AL*).
FORMATION STATUS: Cheaha Sandstone Member (GA*).
Geologic age:
Paleozoic, middle*
Devonian, Early(?)*
Devonian, Middle(?)*
Type section, locality, area and/or origin of name:
Talladega Creek, Talladega Co., AL (Smith, 1888).
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 ([ ]).