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

Geologic Unit: Cottonwood

Usage:

No current usage.
(†/Cottonwood Shales of Council Grove Group (KS) replaced with Florena Shale Member of †Garrison Formation [now Beattie Limestone]. See Florena.)

[Conflicts with Cottonwood Limestone of Haworth and Kirk (1894) in same area.]


Geologic age:

early Permian (Wolfcampian)


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

Notable exposures in Cottonwood Valley, Chase and Lyon Cos., and at Manhattan and vicinity, Riley Co., eastern KS (Prosser, 1894).


AAPG geologic province:

Forest City basin
Nemaha anticline


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 conflicts with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005, 2021). May be explained within brackets ([ ]).