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National Geologic Map Database

Geologic Unit: Kalkberg

Usage:

Kalkberg Limestone of Helderberg Group (NJ*,NY*,PA*)
Kalkberg Limestone Member of New Scotland Formation of Helderberg Group (NY,PA)
Kalkberg Member of Coeymans Limestone of Helderberg Group (NY)


Subunits:

Broncks Lake Member (NY), Hannacroix Member (NY); Bald Hill Bentonite Beds (NY).


Geologic age:

early Early Devonian (Lochkovian)*


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

Not designated. Well exposed on Catskill Creek, Greene Co., NY. Kalkberg (lime hill) is local Dutch name for Helderbergian Ridge (Chadwick, 1908).


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 ([ ]).