Usage:
Tuscarora Formation (PA*,VA,WV)
Tuscarora Quartzite (PA*,MD*,VA*)
Tuscarora Sandstone (MD*,PA*,VA*,WV*)
Tuscarora Formation of Judy Gap Group (WV)
Subunits:
Castanea Member (PA*).
Geologic age:
Late Ordovician (Ashgillian) to early Silurian (Llandovery)*
Type section, locality, area and/or origin of name:
Named from Tuscarora Mountain, PA, [which extends along border line of Juniata and Perry Cos., central southern PA] (Clark, 1897).
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 ([ ]).