No current usage.
(†Keownville Limestone Member of Ripley Formation (MS) replaced with Chiwapa Member of Ripley Formation. See Chiwapa.)
Late Cretaceous
Type section: roadcuts on MS State Route 30, 1.4 to 2.1 mi south of Keownville, Union Co., on north-facing slope of Willhite Creek valley and parallel to Daniel Creek, a north-flowing tributary of Willhite Creek, in E/2 sec. 31, T. 6 S., R. 4 E. (Sohl, 1960).
Upper Mississippi embayment
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 ([ ]).