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National Geologic Map Database

Geologic Unit: Denley

Usage:

Denley Limestone (NY*)
Denley Limestone of Trenton Group (NY)


Subunits:

(alphabetical) --all in NY: Camp Member, Glendale Member*, Poland Member*, Russia Member, Rust Member.


Geologic age:

Late Ordovician*


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

Type section: Palisades on Sugar River, 0.4 km above the New York Central RR bridge, Leyden Twp., Lewis Co., north-central NY. Named from Denley Station (Kay, 1968).


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 ([ ]).