Usage:
Leemon Formation of Edgewood Group (MO*,IL)
Leemon Formation (IL*)
Geologic age:
Ordovician, Late*
Hirnantian*
Cincinnatian*
Type section, locality, area and/or origin of name:
Type section: 100 m below head of drainage and 100 m east of barn, in SE/4 NE/4 SW/4 sec. 21, T. 32 N., R. 13 E., Cape Girardeau Co., eastern MO. Named from town of Leemon, 3.2 km northeast of type section (Thompson and Satterfield, 1975).
AAPG geologic province:
Ozark uplift*
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 ([ ]).