U.S. Geological Survey Home AASG Logo USGS HOME CONTACT USGS SEARCH USGS

National Geologic Map Database

NGMDB

Geologic Unit: Grier

Usage:

Grier Limestone Member of Lexington Limestone (KY*,OH)
Grier Member of Lexington Limestone (KY*)


Subunits:

(alphabetical) --all in KY*: Cane Run Bed, /Macedonia Bed.


Geologic age:

Middle Ordovician (Kirkfieldian and Shermanian)*


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

Type section: exposures along the Shyrock Ferry Road from 0.5 to 0.75 mi south southwest of Grier Creek Church, southern part of Tyrone quadrangle, central KY. Named from Grier Creek (Cressman, 1964).


AAPG geologic province:

Cincinnati arch*


NGMDB

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 ([ ]).

Find Us:

twitter

Accessibility FOIA Privacy Policies and Notices

Take Pride in America logo USA.gov logo U.S. Department of the Interior | U.S. Geological Survey
Supported by the National Cooperative Geologic Mapping Program
URL: http://ngmdb.usgs.gov
Page Contact Information: Personnel
Page Last Modified: Tue Jun 3 16:11:43 2014