Usage:
Bertie Dolomite of Bass Islands Group (PA)
Bertie Formation of Salina Group (NY)
Bertie Limestone of Salina Group (NY*)
Bertie Group (NY)
Subunits:
Fort Hill Waterlime (NY), Oatka (NY), Fiddlers Green (NY), Scajaquada (NY), Williamsville (NY), Cobleskill (NY) Formations, Akron Dolostone (NY), and Moran Corner Waterlime (NY)
Geologic age:
late Silurian*
Type section, locality, area and/or origin of name: (See Canadian Lexicon)
Named from exposures at Bertie (and in Bertie Twp.), Ontario, Canada, about 6 mi west of Buffalo, NY (US geologic names lexicons, USGS Bull. 896, 1200).
AAPG geologic province:
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 ([ ]).