Usage:
Mississinewa Shale Member of Wabash Formation of Salina Group (IN-northern)
Mississinewa Shale Member of Wabash Formation (IN-southern and westernmost)
Mississinewa Shale (IN*)
Geologic age:
late Silurian (Ludlow)*
Type section, locality, area and/or origin of name:
Exposures along Mississinewa, at or near river level, at Wabash and Lagro, Wabash Co., northeastern IN (Cumings and Shrock, 1927).
AAPG geologic province:
Cincinnati arch*
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 ([ ]).