Usage:
Bluestone Formation (KY*,TN*,VA*,WV*)
Bluestone Formation of Mauch Chunk Group (VA*,WV*)
Bluestone Formation of Pennington Group (KY,VA*)
Subunits:
(alphabetical): Belcher Member (VA,WV), Bent Mountain Member (VA,WV), Bramwell Member (VA*,WV*), Bratton Member (VA,WV), Glady Fork Sandstone Member (VA*,WV), Hunt Member (VA,WV), Mud Fork Member (VA,WV), Pipestem Shale Member (VA,WV), Pride Shale Member (KY,VA*,WV*), Princeton Sandstone Member (WV).
Geologic age:
Late Mississippian to Early Pennsylvanian*
Type section, locality, area and/or origin of name:
Named from Bluestone River, Tazewell Co., southwestern VA (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 ([ ]).