Amsterdam Limestone of Black River Group (NY*,VT*)
Amsterdam Limestone of Trenton Group (NY,VT)
Amsterdam Limestone (VT)
Amsterdam Member of Isle la Motte Formation (VT)
Type section: in quarry 0.5 mi east of Manny Corners, 3 mi east-northeast of Amsterdam, Montgomery Co., east-central NY (Kay, 1937).
Named from exposures along the Mohawk in vicinity of Amsterdam (Ruedemann, 1910).
New England province*
For more information, please contact Nancy Stamm, Geologic Names Committee Secretary.
Asterisk (*) indicates usage by the U.S. Geological Survey. Other usages by state geological surveys.
"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 does not conform with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005). This may be explained within brackets ([ ]).