USGS Visual Identifier
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Geologic Unit: Leipers

Usage:
Leipers Limestone (TN*,KY*,AL*,GA)
Leipers Limestone of Chickamauga Group (AL*)
Leipers Formation (AL,TN*)

Age:
Ordovician, Late*
Cincinnatian*
Edenian*
Maysvillian*
Geologic Province:
Cincinnati arch*
Appalachian basin*


Areal Extent:
TN*
AL*
GA
KY*

Type Locality:
Type section: along Leipers Creek, 2 mi north of Water Valley, Maury Co., TN (Hayes and Ulrich, 1903).

Unit Name History:
Named Leipers Formation (Hayes and Ulrich, 1903).
Revised in Maysville Group (Wilson, 1949) [From GNC index card files; not synopsized].
Extended into KY (Lewis and Thaden, 1962).
Extended into AL (McMaster, 1965).
Extended into GA (Milici and Smith, 1969; McCullough and Bergenrack, 1974).
Revised in Chickamauga Group, AL (Higgins and others, 1988).
Overview (Wahlman, 1992).
Age modified (Frey, 1995).

Note: If you need more information, please contact Nancy Stamm (nstamm@usgs.gov).
Asterisks (*) indicate usage by the U.S. Geological Survey. Other usages by state geological surveys.

"No current usage" implies that a name has been abandoned or that it has fallen into disuse. Former usage and, if known, replacement name given in parentheses ().

Slashes (/) indicate unit name usage violates the 1983 North American Stratigraphic Code. This violation may be explained within brackets ([ ]).






U.S. Department of the Interior, U.S. Geological Survey, Reston, VA, USA
URL http://ngmdb.usgs.gov/ngmdb/ngm_catalog.ora.html
Database project personnel
Last modified: 15-Jan-2013