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National Geologic Map Database

Geologic Unit: Axemann

Usage:

Axemann Limestone of Beekmantown Group (PA*)
Axemann Formation of Beekmantown Group (PA)


Geologic age:

Early Ordovician (Ibexian; Jeffersonian to Cassinian)*


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

Notable exposures 1 mi east of Axemann, Centre Co., central PA (US geologic names lexicons, USGS Bull. 896, 1200).
Village of Axemann grew around Mann's Axe Factory during the late 1800's (Faill and others, 1989).


AAPG geologic province:

Appalachian basin*


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 ([ ]).