Usage:
No current usage.
(†Boskydell sandstone (informal) (IL) or †Boskydell marine horizon (informal) (IL) marker beds not used by the IL Geol. Survey.)
Geologic age:
Pennsylvanian
Type section, locality, area and/or origin of name:
Exposure 1 mi southwest of Boskydell, in sec. 8, T. 10 S., R. 1 W., Jackson Co., southwestern IL (Wanless, 1939; 1958).
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 ([ ]).