Vernon Formation of Salina Group (NY)
Vernon Shale of Salina Group (NY*)
Vernon Shale Member of Salina Formation (NY)
Downing Brook, Harris Hill, Monroeav, Pittsford, and Barge Canal Beds (NY)
late Silurian*
Vernon Twp., Oneida Co., NY (Clarke, 1903).
Reference section: Downing Brook, 2.3 mi south of intersection of NY Highway 5 and Kenwood-Sherrill Road (Fisher, 1957).
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 ([ ]).