Axemann Limestone of Beekmantown Group (PA*)
Axemann Formation of Beekmantown Group (PA)
Early Ordovician (Ibexian; Jeffersonian to Cassinian)*
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).
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 conflicts with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005, 2021). May be explained within brackets ([ ]).