Usage:
Ochelata Group (OK*)
Ochelata Formation (OK)
Subunits:
GROUP STATUS (alphabetical) --all in OK: Avant Limestone, Barnsdall Formation*, Cottage Grove Sandstone, Dewey Limestone, Iola Limestone*, Okesa Sandstone, Stanton Limestone*, Tallant Formation*, Torpedo Formation* or Torpedo Sandstone, Wann Formation*.
FORMATION STATUS: Torpedo Sandstone Member (OK).
Geologic age:
Late Pennsylvanian (Missourian)*
Type section, locality, area and/or origin of name:
Not designated. Named from town of Ochelata, Washington Co., OK (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 ([ ]).