Usage:
Anna Shale Member of Pawnee Limestone of Marmaton Group (KS*)
Anna Shale Member of Pawnee Formation of Marmaton Group (IA*,MO*)
Anna Shale Member of Labette Formation of Marmaton Group (OK*)
Anna Shale Member of Carbondale Formation (IL-southern area)
[?] Anna Shale Member of Shelburn Formation of McLeansboro Group (IL-northern area)
Anna Shale Member of Pawnee Formation of /Appanoose subgroup [informal] of Marmaton Group (MO)
["Subgroup" not recognized as a formal stratigraphic rank term (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005, 2021). Appanoose subgroup considered informal and should not be capitalized.]
Geologic age:
Middle Pennsylvanian (Desmoinesian)*
Type section, locality, area and/or origin of name:
Type locality: on KS Highway 7, a little north of center of sec. 7, T. 27 S., R. 24 E., Bourbon Co., eastern KS. [Named from village of Anna (Pawnee Station), southeast of type locality, Bourbon Co., eastern KS] (Jewett, 1941).
AAPG geologic province:
Cherokee basin*
Chautauqua platform*
Iowa shelf*
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 ([ ]).