Usage:
Wann Formation of Ochelata Group (OK*)
Subunits:
(alphabetical) --all in OK: Clem Creek Sandstone Tongue*, Hound Dog Holler Sandstone Member, Keystone Park Member, Overlook Sandstone Member, Ramona Hill Member, Tall Chief Member, Torpedo Sandstone Member, Washington Irving Sandstone Member.
Geologic age:
Late Pennsylvanian (Missourian)*
Type section, locality, area and/or origin of name:
Not designated (Ohern, 1910).
AAPG geologic province:
Chautauqua platform*
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 ([ ]).