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National Geologic Map Database

Geologic Unit: Abernathy

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 usage by the U.S. Geological Survey. Other usages by state geological surveys.

"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 does not conform with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005). This may be explained within brackets ([ ]).