Usage:
Oldtown Coal Bed of Tradewater Formation of Raccoon Creek Group (IL-local)
Geologic age:
Middle Pennsylvanian (Moscovian; Westphalian C; late Atokan)
Type section, locality, area and/or origin of name:
Type locality: railroad cut just south of Oldtown (Old Stonefort), in SW/4 NW/4 NW/4 sec. 5, T. 11 S., R. 5 E., Stonefort quadrangle, Pope Co., southeastern IL (Nelson and others, 1991).
AAPG geologic province:
Illinois 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 ([ ]).