Usage:
Wreford Limestone of Chase Group (KS*,NE,OK*)
Wreford Limestone of Oscar Group (OK)
Subunits:
(alphabetical): Fourmile Member (KS,NE,OK), Havensville Shale Member (KS*,NE*,OK), Schroyer Member (KS*,NE,OK), Threemile Member (KS*,OK).
Geologic age:
Permian, Early*
Type section, locality, area and/or origin of name:
Named from occurrence at Wreford, Geary Co., eastern KS, where it has been quarried and burned for lime (Hay, 1893).
AAPG geologic province:
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 ([ ]).