Moorefield Formation (AR*,OK*)
Moorefield Formation of Mayes Group (OK)
(alphabetical): Bayou Manard Member (OK), Lindsey Bridge Member (OK), Ordnance Plant Member (OK), Ruddell Shale Member (AR*), Spring Creek Member (AR*), Tahlequah Member (OK).
Mississippian, Late*
Meramecian*
Chesterian*
Named from Moorefield, Independence Co., AR (Adams, 1904).
Arkoma basin*
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 ([ ]).