Usage:
Hoffner Member of Ste. Genevieve Limestone (IL)
Geologic age:
Middle Mississippian (Visean; early Chesterian)
Type section, locality, area and/or origin of name:
Well exposed along Swan Creek northeast of Anna in E/2 sec. 17, T. 12 S., R. 1 W., and east of Hoffner School in W/2 sec. 8, T. 13 S., R. 1 E., Union Co., southern IL (Weller, IN Weller and Krey, 1939).
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 ([ ]).