U.S. Geological Survey Home AASG Logo USGS HOME CONTACT USGS SEARCH USGS
National Geologic Map Database

Geologic Unit: Topeka

Usage:

Topeka Limestone of Shawnee Group (KS*)
Topeka Formation of Shawnee Group (IA*,MO*,NE*)
Topeka Limestone Member of Pawhuska Formation of Shawnee Group (OK*)
Topeka Limestone Member of Pawhuska Formation of Ada Group (OK)


Subunits:

FORMATION STATUS (alphabetical) --all in IA*,KS*,MO*,NE*: Coal Creek Limestone Member, Curzon Limestone Member, Du Bois Limestone Member, Hartford Limestone Member, Holt Shale Member, Iowa Point Shale Member, Jones Point Shale Member, Sheldon Limestone Member, Turner Creek Shale Member.
MEMBER STATUS --all in OK: Turkey Run Limestone Bed.


Geologic age:

Late Pennsylvanian (Virgilian)*


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

Topeka, [Shawnee Co.], eastern KS (Moore, 1936).


AAPG geologic province:

Forest City 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 ([ ]).