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National Geologic Map Database

Geologic Unit: Epler

Usage:

Epler Formation of Beekmantown Group (NJ*,PA*)
Epler Member of Kittatinny Limestone (NJ)


Subunits:

(alphabetical) --all in NJ: Big Springs Member, Branchville Member, Lafayette Member.


Geologic age:

Ordovician, Early*
Ibexian, middle*
Ibexian, late*


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

Type section: continuous with type section of upper member of Rickenbach Formation, east of Epler School, near Reading, Berks Co., southeastern PA (Hobson, 1957).


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 ([ ]).