Usage:
Blue Mound Shale Member of Shale Hill Formation of Pleasanton Group (IA?,MO)
Geologic age:
Late Pennsylvanian (Missourian)
Type section, locality, area and/or origin of name:
Type section: roadcut in NW/4 NW/4 sec. 28, T. 56 N., R. 24 W., Livingston Co., MO. Named from settlement in southeastern part of T. 56 N., R. 24 W., Livingston Co., MO (Howe, 1982; Gentile and Thompson, 2004).
AAPG geologic province:
Forest City basin
Iowa shelf
Lincoln anticline
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 ([ ]).