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National Geologic Map Database

Geologic Unit: Carwood

Usage:

No current usage.
(†Carwood Formation of Borden Group (IN*,KY) replaced with Spickert Knob Formation of the Borden Group. See Spickert Knob.)


Geologic age:

Mississippian, Early*
Osagean


Type section, locality, area and/or origin of name:

Named from exposures near village of Carwood (Bridgeport), 4.75 mi southeast of Borden, in NW/4 NW/4 sec. 4, T. 1 S., R. 6 E., Clark Co., southeastern IN. Any of the numerous exposures in Clark Co. might serve as a "type" section, the best one being along Borden-Martinsburg Road, 0.5 mi southwest of Borden (Stockdale, 1931).


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