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National Geologic Map Database

Geologic Unit: Delaware Creek

Usage:

Delaware Creek Shale (OK)
Delaware Creek Formation (OK)
Delaware Creek Member of Caney Shale (OK*-recognized locally in northern Arbuckle Mountains)
Delaware Creek Member of Caney Shale of Springer Group (OK*-recognized locally in southern Arbuckle Mountains)


Geologic age:

Middle Mississippian (Visean; early Chesterian)*


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

Type section: measured section C (beds 38 to 97), in NE/4 sec. 14, T. 2 S., R. 7 E., Johnston Co., south-central OK. Named from Delaware Creek which flows eastward in Bromide-Wapanucka area (Elias, 1956).


AAPG geologic province:

South Oklahoma folded belt*


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 ([ ]).