U.S. Geological Survey Home AASG Logo USGS HOME CONTACT USGS SEARCH USGS
National Geologic Map Database

Geologic Unit: Denmark

Usage:

No current usage.
(†Denmark Formation, †Denmark Limestone, or †Denmark Member of Sherman Fall Formation, of Trenton Group (NY) considered abandoned.)


Geologic age:

Late Ordovician (Mohawkian)


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

Well displayed in Trenton Falls Gorge. Named from Denmark Twp., Lewis Co., NY (Kay, 1937).


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 ([ ]).