No current usage.
(†Unity Farm Shale Member of Lees Summit Shale of Pleasanton Group (MO) replaced with Mantey Shale Member of Shale Hill Formation of Pleasanton Group. See Mantey.)
Late Pennsylvanian (Missourian)
Type section: shale quarry in NE/4 NW/4 sec. 27, T. 48 N., R. 32 W., Jackson Co., MO. Named from Unity Farms in Jackson Co., MO (Howe, 1982).
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 ([ ]).