Usage:
Dornick Hills Group (OK*)
[?] Dornick Hills Formation (OK*)
Subunits:
GROUP STATUS (alphabetical) --all in OK: Big Branch Formation, Golf Course Formation*, Lake Murray Formation*.
Geologic age:
Early to Middle Pennsylvanian (Bashkirian to Moscovian; Namurian to Westphalian; Morrowan to Desmoinesian)*
Type section, locality, area and/or origin of name:
Named from Dornick Hills, north of Ardmore, Carter Co., OK (Waters, 1927).
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 ([ ]).