Usage:
Toulon Member of Glasford Formation (IL)
Geologic age:
Quaternary
Pleistocene, middle
Illinoian
Type section, locality, area and/or origin of name:
Type section: exposures in borrow pit 0.75 mi west of Toulon, in NW/4 NW/4 SW/4 sec. 24, T. 13 N., R. 5 E. Named from Toulon, Stark Co., IL (Willman and Frye, 1970).
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 ([ ]).