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National Geologic Map Database

Geologic Unit: Perryville

Usage:

Perryville Limestone Member of Lexington Limestone (KY*)
Perryville Member of Lexington Limestone (KY*)


Subunits:

(alphabetical) --all in KY*: Cornishville Bed, Faulconer Bed, Salvisa Bed.


Geologic age:

Middle Ordovician (Shermanian)*


Type section, locality, area and/or origin of name:

Type area not designated. Occurs in vicinity of Perryville, Boyle Co., KY.


AAPG geologic province:

Cincinnati arch*


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 ([ ]).