Usage:
Morgan Trail Member of New Albany Shale (IN*,KY)
Geologic age:
Late Devonian (Famennian)*
Type section, locality, area and/or origin of name:
Type section: south side of State Highway 56, in NW/4 sec. 16, T. 3 N., R. 8 E., Scott Co., IN. Named from roadside park 1 mi southwest of type section (Lineback, 1968).
AAPG geologic province:
Cincinnati arch*
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 ([ ]).