USGS Visual Identifier
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Geologic Unit: Denley

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

Age:
Ordovician, Middle*
Mohawkian
Champlainian*
Shermanian*
Ordovician, Late
Cincinnatian
Edenian
Geologic Province:
Appalachian basin*






Areal Extent:
NY*







Type Locality:
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).

Subunits:
Camp Member (NY), Glendale Member (NY*), Poland Member (NY*), Russia Member (NY), Rust Member (NY).

Unit Name History:
Named (Kay, 1968).
Overview (Baird and others, 1992).
Age modified; Overview (Goldman and others, 1994).
Overview; Age modified (Frey, 1995).

Note: If you need more information, please contact Nancy Stamm (nstamm@usgs.gov).
Asterisks (*) indicate usage by the U.S. Geological Survey. Other usages by state geological surveys.

"No current usage" implies that a name has been abandoned or that it has fallen into disuse. Former usage and, if known, replacement name given in parentheses ().

Slashes (/) indicate unit name usage violates the 1983 North American Stratigraphic Code. This violation may be explained within brackets ([ ]).






U.S. Department of the Interior, U.S. Geological Survey, Reston, VA, USA
URL http://ngmdb.usgs.gov/ngmdb/ngm_catalog.ora.html
Database project personnel
Last modified: 15-Jan-2013