Usage:
No current usage.
(Rocks of †Lees Summit Shale of Pleasanton Group (MO) reallocated to Shale Hill Formation. See Shale Hill.)
Subunits:
(alphabetical) --all in MO: Exline Limestone Member, Unity Farm Shale Member.
Geologic age:
Late Pennsylvanian (Missourian)
Type section, locality, area and/or origin of name:
Type section: in shale quarry of the Acme Brick and Tile Company plant at Vale, in NE/4 NW/4 sec. 27, T. 48 N., R. 32 W., Jackson Co., MO. Named from city of Lees Summit, Jackson Co., MO (Howe, 1982).
AAPG geologic province:
Forest City basin
Iowa shelf
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 ([ ]).