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National Geologic Map Database

Geologic Unit: Shawnee

Usage:

Shawnee Group (IA,KS*,MO*,NE*, and CO*-subsurface)
[?] Shawnee Formation (CO)


Subunits:

GROUP STATUS (alphabetical): Scranton Shale (IA,KS,MO,NE), Tecumseh Formation (MO) or Tecumseh Shale (IA*,KS*,MO*,NE*), Topeka Formation (MO) or Topeka Limestone (IA,KS*,MO*,NE*).


Geologic age:

Late Pennsylvanian (Virgilian)*


Type section, locality, area and/or origin of name:

Not synopsized to date.


AAPG geologic province:

Forest City basin*
Sedgwick basin*
Anadarko basin*
Nemaha anticline*


For more information, please contact Nancy Stamm, Geologic Names Committee Secretary.

Asterisk (*) indicates usage by the U.S. Geological Survey. Other usages by state geological surveys.

"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 does not conform with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005). This may be explained within brackets ([ ]).