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National Geologic Map Database

Geologic Unit: Hepler

Usage:

Hepler Sandstone Member of Seminole Formation of Pleasanton Group (KS)
Hepler Sandstone Member of Holdenville Formation of Marmaton Group (OK)
Hepler Formation of Pleasanton Group (MO)
Hepler Shale of Bronson Group (IA)
[?]Hepler Formation of Pleasanton Group (KS)

Uncertain if Hepler Fm. adopted by KS Strat. Names Com.


Subunits:

FORMATION STATUS (alphabetical): [?]Checkerboard Limestone Member (KS-local), East Branch Sandstone Member (MO), Grain Valley coal bed (IA,MO), [?]South Mound Shale Member (KS-local).


Geologic age:

Middle Pennsylvanian (Desmoinesian)


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

On Highway 39, in center sec. 14, T. 27 S., R. 22 E., 1.5 mi north of Hepler [2 mi according to P.H. Heckel (1991, Kansas Geol. Survey, Geol. Ser. 4, 67 p.)], Bourbon Co., KS. Named from the town of Hepler, in southwestern Crawford Co., KS (Jewett, 1940a, p. 9). [From Missouri Geol. Survey lexicon (Thompson, 2001); US geologic names lexicon, USGS Bull. 1200.]


AAPG geologic province:

Cherokee basin
Forest City basin


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