Usage:
Stanley Group (AR,OK*)
Stanley Shale (AR*,OK*,TX*?)
Originally called Standley.
Subunits:
GROUP STATUS (alphabetical): Chickasaw Creek Formation (AR,OK) or Chickasaw Creek Shale (OK*), Moyers Formation (AR,OK*), Tenmile Creek Formation (AR,OK*).
FORMATION STATUS (alphabetical): Chickasaw Creek Member (AR*), Gap Ridge Sandstone Member (AR*), Hatton Tuff Lentil (AR*,OK*), Hot Springs Sandstone Member (AR*), Moyers Member (AR*), Parker Hill Sandstone Member (AR), Tenmile Creek Member (AR*), Tuskahoma Member (OK).
Geologic age:
Mississippian, Late*
Meramecian*
Chesterian*
Type section, locality, area and/or origin of name:
Named from Stanley, Pushmataha Co., OK (Taff, 1902).
AAPG geologic province:
Arkoma basin*
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 ([ ]).