Usage:
Rockford Granite (AL)
Rockford Granite of Pinckneyville Granite Complex (AL,GA)
Geologic age:
Devonian
Type section, locality, area and/or origin of name:
In T. 24 N., R. 20 E., Coosa Co., central AL (Wampler and others, 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 ([ ]).