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 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 ([ ]).