Usage:
Abernathy Member of Joachim Dolomite (KY,MO-local)
Abernathy Member of Joachim Dolomite of Ancell Group (IL)
Geologic age:
Late Ordovician (Mohawkian; Turinian)
Type section, locality, area and/or origin of name:
Type section: in bluff on north side of MO Highway 74, 1.5 mi east of Dutchtown, in SE/4 NW/4 NE/4 sec. 20 (projected), T. 30 N., R. 13 E., [Cape Girardeau 15-min quadrangle], Cape Girardeau Co., southeastern MO. Type section supplemented by Midwest Dairy Company well at Cape Girardeau. Named from Abernathy School, 2 mi north of type section (Templeton and Willman, 1963).
AAPG geologic province:
Illinois basin
Ozark 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 ([ ]).