Merritton Limestone of Clinton Group (NY*)
Merritton Limestone Member of Reynales Limestone (NY)
early Silurian (Llandovery)*
Type section: railroad cut along Canadian National RR, immediately west of Lock 5 on Welland Canal near village of Merritton, Ontario, Canada (Kilgour, 1963).
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 ([ ]).