Usage:
Chepultepec Dolomite (AL*)
Chepultepec Dolomite of Beekmantown Group (KY,OH,TN)
Chepultepec Dolomite of Knox Group (AL,GA*,KY*,TN*,VA*)
Chepultepec Formation (GA,WV)
Chepultepec Formation of Knox Group (TN,VA)
Chepultepec Dolomite Member of Beekmantown Formation of Knox Group (VA)
Geologic age:
Early Ordovician*; locally latest Cambrian*
Type section, locality, area and/or origin of name:
Named from exposures near Chepultepec [now Allgood], 30 mi northeast of Birmingham, Blount Co., north-central AL (US geologic names lexicons, USGS Bull. 896, 1200).
AAPG geologic province:
Appalachian basin*
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 ([ ]).