Usage:
Bluejacket Sandstone Member of Boggy Formation of Krebs Group (OK*)
Bluejacket Sandstone Member of Krebs Formation of Cherokee Group (KS*)
[?] Bluejacket Formation of Krebs Group (OK)
[?] Bluejacket Sandstone Member of Boggy Shale (OK-south of Arkansas River)
[?] Bluejacket Sandstone Member of Cherokee Shale (KS-north of Arkansas River)
Bluejacket Sandstone of /Krebs subgroup [informal] of Cherokee Group (MO)
["Subgroup" not recognized as a formal stratigraphic rank term (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005, 2021). Krebs subgroup considered informal and should not be capitalized.]
Geologic age:
Middle Pennsylvanian (Desmoinesian)*
Type section, locality, area and/or origin of name:
Named from exposures near Bluejacket in northeastern Craig Co., OK, by D.W. Ohern in unpub. mss. (Gould, 1925).
Is a well defined lithologic and mappable unit, typically exposed along road from Bluejacket west to Pyramid Corners, on east slope of Timbered Hill, on OK Highway 25, in NE/4 NE/4 sec. 25, T. 27 N., R. 20 E., Craig Co., OK (Howe, 1951, p. 2090; see also MO Geol. Survey lexicon, Thompson, 2001).
AAPG geologic province:
Chautauqua platform*
Cherokee basin*
Forest City basin*
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 ([ ]).