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 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 ([ ]).