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National Geologic Map Database

Geologic Unit: Darien

Usage:

Darien coral bed [informal] of /Darien Center submember [informal] of Wanakah Shale Member of Ludlowville Formation (NY)

Considered informal until formally published. The rank or lithologic term should not be capitalized. [Darien Center submember considered informal until formally published in accord with NACSN (2021). The rank or lithologic term should not be capitalized.]


Geologic age:

Middle Devonian


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

Exposure near town of Darien, Erie Co., western NY (Kloc, 1983; Miller, 1990).


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 ([ ]).