Usage:
Staunton Formation of Raccoon Creek Group (IN*)
Subunits:
(alphabetical) --all in IN*: Holland Limestone Member, Logan Quarry Member (local), Perth Limestone Member, Seelyville Coal Member, Silverwood Limestone Member.
Geologic age:
Middle Pennsylvanian (Desmoinesian)*
Type section, locality, area and/or origin of name:
Named from Staunton, Clay Co., southwestern IN (Cumings, 1922).
Indiana geologists consider type locality to be in T. 12 N., R. 7 W., northern Clay Co., southwestern IN (Shaver and others, 1986).
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 ([ ]).