Usage:
Cloud Chief Formation (OK*,TX*)
[?] Cloud Chief Formation of Foss Group (OK)
Subunits:
(alphabetical) --all in OK: Big Basin Member, Day Creek Dolomite Member*, Kiger Shale Member, Moccasin Creek Gypsum Member*.
Geologic age:
Middle Permian (Guadalupian)*
Type section, locality, area and/or origin of name:
Typically exposed near town of Cloud Chief in eastern Washita Co., central western OK (Gould, 1924).
AAPG geologic province:
Anadarko basin*
Bend arch*
Palo Duro basin*
Permian basin*
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 ([ ]).