Usage:
Normanskill Shale (NY*)
Normanskill Formation (NY*)
Normanskill Group (NY)
Subunits:
GROUP STATUS (alphabetical) --all in NY: Austin Glen Formation, Indian River Formation, Mount Merino Formation, Pawlet Formation.
FORMATION STATUS (alphabetical) --all in NY: Austin Glen Member, Indian River Member, Mount Merino Member.
Geologic age:
Late Ordovician*
Type section, locality, area and/or origin of name:
Normans Kill, a creek tributary to Hudson River south of Albany, Albany Co., eastern NY (Ruedemann, 1901).
AAPG geologic province:
New England province*
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 ([ ]).