No current usage.
(†Cornwall limestones (NY) abandoned.)
Silurian and Devonian
Name apparently taken from some one of the places in Orange Co., southeastern NY, that bear the name Cornwall.
Appalachian basin (Eastern Overthrust area)
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 ([ ]).