No current usage?
(†Delphi Dolomite (OK) considered abandoned? Uncertain if used by the OK Geol. Survey. Not used by the USGS.)
Permian
Not designated. Named from town of Delphi, Green Co., OK (Gould, 1902).
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 ([ ]).