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National Geologic Map Database

Geologic Unit: Checkerboard

Usage:

Checkerboard Limestone of Skiatook Group (OK*)
Checkerboard Limestone Member of Coffeyville Formation of Skiatook Group (OK)
[?] Checkerboard Limestone of Pleasanton Group (KS*)
[?] Checkerboard Limestone Member of Hepler Formation of Pleasanton Group (KS-local)

Uncertain if Checkerboard Ls. Mbr. of Hepler Fm. adopted by KS Strat. Names Com.


Geologic age:

Middle Pennsylvanian (Desmoinesian)*


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

Type locality: exposures along Checkerboard Creek, in T. 15 N., R. 11 E., Washington Co., east-central OK. Good exposure may be seen at "Checkerboard Crossing" of the creek, near E-W/4 line of sec. 22, T. 15 N., R. 11 E. (Gould, 1925; see also Fath, 1917).


AAPG geologic province:

Chautauqua platform*


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 ([ ]).