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National Geologic Map Database

Geologic Unit: Hoffner

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 usage by the U.S. Geological Survey. Other usages by state geological surveys.

"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 does not conform with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005). This may be explained within brackets ([ ]).