Usage:
Snyder Limestone of Black River Group (PA*,VA,WV)
Snyder Formation (PA*)
Snyder Member of Brenner Limestone (PA)
Geologic age:
Late Ordovician (Mohawkian; Turinian)*
Type section, locality, area and/or origin of name:
Type section: Pennsylvania Railroad cut, Union Furnace, Huntingdon Co., PA. Named from Snyder Twp., Blair Co., where exposed in quarry along Elk Run on southern boundary of Twp. (Kay, 1944).
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 ([ ]).