Geologic Unit: Poultney
Poultney Formation (VT*,NY*)
Poultney Formation of Mount Hamilton Group (VT)
Poultney Slate (NY,VT)
Poultney Slate of Mount Hamilton Group (VT)
Exposures in town of Poultney, Rutland Co., southwestern VT, near NY-VT State line, 7 mi southwest of
Owl Kill Member (NY,VT), White Creek Member (NY,VT)
Unit Name History:
Named (Keith, 1932).
Extended into NY; Age modified; Biostratigraphic dating (Berry, 1961).
NY State Geol. Map usage (Fisher, 1961).
[Numerous papers in early 1960's.]
Age modified (Zen, 1967).
NY State Geol. Map usage (Isachsen and Fisher, 1970).
Formal members assigned (Potter, 1972).
Overview (Zen, 1983).
Age modified, assigned to Mount Hamilton Group in VT (Baldwin and Raiford, 1987).
Areal limits (Thompson, 1990).
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Asterisks (*) indicate usage by the U.S. Geological Survey. Other usages by state geological surveys.
"No current usage" implies that a name has been abandoned or that it has fallen into disuse. Former usage and, if known, replacement name given in parentheses ().
Slashes (/) indicate unit name usage violates the 1983 North American Stratigraphic Code. This violation may be explained within brackets ([ ]).
U.S. Department of the Interior, U.S. Geological Survey, Reston, VA, USA
Database project personnel
Last modified: 15-Jan-2013