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National Geologic Map Database

Geologic Unit: Winchell

Usage:

Winchell Limestone of Canyon Group (TX*)
Winchell Limestone Member of Graford Formation of Canyon Group (TX)


Geologic age:

Late Pennsylvanian (Missourian)*


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

Not designated. Origin of name not stated by author, but probably named from town of Winchell, Brown Co., TX, near which sections are measured (Nickell, 1938).


AAPG geologic province:

Bend 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 ([ ]).