Wildhorse Mountain Formation of Jackfork Group (OK*)
Prairie Hollow Member (OK).
Mississippian, Late*
Chesterian*
Pennsylvanian, Early*
Morrowan*
North of town of Moyers, in T. 2 S., R. 16 E., Pushmataha Co., OK (Harlton, 1938).
Ouachita 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 ([ ]).