Usage:
Fairport Member of Carlile Shale (CO*,KS*,MN*,NE*,NM*,SD*)
Fairport Member of Carlile Formation (NM*)
Geologic age:
Late Cretaceous (Turonian)*
Type section, locality, area and/or origin of name:
Named from exposures a few mi south and west of Fairport, Russell Co., north-central KS (Rubey and Bass, 1925).
AAPG geologic province:
Central Kansas uplift*
Chadron arch*
Denver basin*
Las Vegas-Raton basin*
Salina basin*
Sioux uplift*
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 ([ ]).