Usage:
Exline Limestone Member of Pleasanton Formation of Bronson Group (IA)
Exline Limestone Member of Shale Hill Formation of Pleasanton Group (KS?,MO)
Exline Limestone Member of Modesto Formation (IL)
Geologic age:
Late Pennsylvanian (Missourian)
Type section, locality, area and/or origin of name:
About 1.5 mi south of the southwest corner of Exline, Appanoose Co., IA. Well exposed in a west-flowing tributary ravine of North Shoal Creek, in SE/4 sec. 6, T. 67 N., R. 17 W. (Cline, 1941, p. 65).
AAPG geologic province:
Iowa shelf
Forest City basin
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 ([ ]).