Usage:
Heard Group (AL,GA)
Subunits:
Centralhatchee (GA,AL, Glenloch (GA,AL), Roopville (GA,AL) Formations
Geologic age:
Precambrian
Cambrian
Type section, locality, area and/or origin of name:
Type area: Heard Co., west-central GA. (Bentley and Neathery, 1970)
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 ([ ]).