Usage:
Clegg Creek Member of New Albany Shale (IN*,KY)
Subunits:
(alphabetical): Falling Run Bed (IN) or informal Falling Run bed (KY), Henryville Bed (IN, and KY?), Jacobs Chapel Bed (IN) or informal Jacobs Chapel bed (KY), Underwood Bed (IN).
Geologic age:
Late Devonian to Early Mississippian (Famennian to Kinderhookian)*
Type section, locality, area and/or origin of name:
Type section: exposures along road cut on IN Highway 160, 2 mi (3.2 km) southeast of Henryville, Clark Co., southeastern IN. Named from Clegg Creek, a tributary to Silver Creek, 2 mi from 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 ([ ]).