Green Hill Member of Pride Mountain Formation (AL*,MS*)
Middle Mississippian (Visean; early Chesterian)*
Exposure at roadside near head of Green Hill Branch about 3 mi south of Barton, Colbert Co., AL, in SW/4 NW/4 sec. 22, T. 4 S., R. 13 W. (Welch, 1958).
Black Warrior 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 ([ ]).