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National Geologic Map Database

Geologic Unit: Lawrence

Usage:

Lawrence clay (informal) (OH)

Informal. The rank or lithologic term should not be capitalized.


Geologic age:

Pennsylvanian, Middle


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

Named from Lawrence Furnace, Elizabeth Twp., Lawrence Co., OH (Stout and others, 1923).


AAPG geologic province:

Appalachian basin


For more information, please contact Nancy Stamm, Geologic Names Committee Secretary.

Asterisk (*) indicates published by U.S. Geological Survey authors.

"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 ([ ]).