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National Geologic Map Database

Geologic Unit: Wayne

Usage:

Wayne Formation (MS,TN*)
Wayne Group (AL,TN*)


Subunits:

Maddox (TN), Osgood Limestone (TN), Laurel Limestone (TN*), Waldron Clay (TN*), Lego Limestone (TN*), and Dixon Limestone (TN*) Members of Wayne Formation; Osgood Limestone (TN), Laurel Limestone (TN), Waldron Shale (TN), Lego Limestone (TN), and Dixon Formation or Limestone (TN) of Wayne Group


Geologic age:

Silurian (Llandovery to Ludlow; Niagaran Provincial Age)*


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

Not designated. Named from Wayne Co., western TN (Miser, IN Drake, 1914).


AAPG geologic province:

Cincinnati arch*
Upper Mississippi embayment*


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 ([ ]).