Lafayette Member of Epler Formation (NJ)
Early Ordovician
Not stated, although unit is described in measured sections. Origin of name not stated by authors, but probably named from town of Lafayette, Sussex Co., NJ (Markewicz and Dalton, 1977).
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 ([ ]).