Usage:
Banner Formation (IL,IN)
Subunits:
Harkness Silt (IL), Lierle Clay (IL), Sankoty Sand (IL), Mahomet Sand (IL,IN), Blackford (IN), Belgium (IL), and Hegeler (IL) Members; Tilton Till (IL,IN), Hillery Till (IL,IN), Harmattan Till (IL,IN), West Lebanon Till (IN) Members; informal Casey till member (IL).
Geologic age:
Quaternary (Pleistocene)
Type section, locality, area and/or origin of name:
Type section: Borrow pit, IN SW/4 SW/4 NE/4 sec. 31, T. 7 N., R. 6 E., Peoria Co., IL. Named from town of Banner, Fulton Co. (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 ([ ]).