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National Geologic Map Database

Geologic Unit: Clegg Creek

Usage:

Clegg Creek Member of New Albany Shale (IN*,KY)


Subunits:

(alphabetical --all in IN,KY: Falling Run Bed, Henryville Bed, Jacobs Chapel Bed, Underwood Bed.


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 usage by the U.S. Geological Survey. Other usages by state geological surveys.

"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 does not conform with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005). This may be explained within brackets ([ ]).