Usage:
McNairy Formation (IL,MO,TN,KY*)
McNairy Sand (IL*,KY*,MO*,TN*)
McNairy Sand Member of Ripley Formation (MO*)
Subunits:
Levings Member (IL). Zadoc Member (MO).
Geologic age:
Late Cretaceous*
Type section, locality, area and/or origin of name:
Cut on the Southern RR, 1.5 mi west of Cypress Station, McNairy Co., TN (Stephenson, 1914).
AAPG geologic province:
Upper Mississippi embayment*
Illinois 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 ([ ]).