Usage:
McPherson Formation (KS*-local)
Recognized locally in McPherson, Harvey, and Sedgwick Cos.
Geologic age:
Quaternary (Pleistocene)*
Type section, locality, area and/or origin of name:
Type section (McPherson Formation, restricted): in northwest corner of Sandahl gravel pit, in SE/4 SW/4 sec. 29, T. 18 S., R. 4 W., McPherson Co., southwestern KS. Additional reference localities at Flor pit, in NW/4 SW/4 sec. 7, T. 18 S., R. 4 W., and Hammann pit, in NE/4 SW/4 sec. 31, T. 18 S., R. 4 W. (Semken, 1966).
Named from exposures in McPherson Co., southwestern KS (Haworth and Beede, 1897).
AAPG geologic province:
Central Kansas uplift*
Sedgwick 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 conflicts with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005, 2021). May be explained within brackets ([ ]).