Usage:
Brewer Phyllite (AL*)
Brewer Phyllite of Kahatchee Mountain Group (AL*)
Brewer Formation of Kahatchee Mountain Group (AL)
Subunits:
Sawyer Limestone Member (AL).
Geologic age:
Precambrian and Early Cambrian(?)*
Type section, locality, area and/or origin of name:
Named from exposures at Brewer School, Columbiana quadrangle, Chilton Co., northeastern AL (Butts, 1940).
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 ([ ]).