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National Geologic Map Database

Geologic Unit: Shimer

Usage:

Shimer Gypsum Member of Blaine Formation of Nippewalla Group (KS*)
Shimer Gypsum Member of Blaine Formation of El Reno Group (OK*)
Shimer Gypsum Member of Blaine Formation of Pease River Group (TX*)
Shimer Dolomite Bed of Van Vacter Gypsum Member of Blaine Formation of Pease River Group (TX)


Geologic age:

Early Permian (Cisuralian; Leonardian)*


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

Type locality: Shimer Twp., [Coldwater quadrangle (scale 1:125,000)], Comanche Co., central southern KS. Notable exposures at confluence with Nescatunga Creek with Salt Creek, where it caps an outlier of the Blaine Formation.


AAPG geologic province:

Anadarko basin*
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 ([ ]).