Usage:
Lee Formation (KY*,VA*, and TN*-local)
(†Lee Formation abandoned by the KY and TN Geol. Surveys. Rocks incl. in Breathitt Group (KY) and Crab Orchard Mountains and Gizzard Groups (TN). See Breathitt, Crab Orchard Mountains, and Gizzard.)
Subunits:
(alphabetical): Alvy Creek unit (informal) (KY*), Bald Rock Conglomerate Member (VA*), Bee Rock Sandstone Member (KY*,TN*,VA*) or Bee Rock Conglomerate Member (KY*,TN*,VA*), Chadwell Member (KY*,TN*,VA*), Corbin Sandstone Member (KY*,TN*) or Corbin Sandstone Tongue (KY*), Dark Ridge Member (KY*,TN*,VA*), Grayson sandstone bed (informal) (KY*), Hensley Member (KY*,TN*,VA*), Livingston Conglomerate Member (KY*) or Livingston Conglomerate Tongue (KY*), Marsh Creek Sandstone Member (KY*) or Marsh Creek Sandstone Tongue (KY*), Middlesboro Member (KY*,TN*,VA*), Naese Sandstone Member (KY*), Pinnacle Overlook Member (KY*,TN*,VA*), Rockcastle Conglomerate Member (KY*) or Rockcastle Sandstone Member (KY*) or Rockcastle Member (KY*) or Rockcastle Sandstone Tongue (KY*), White Rocks Sandstone Member (KY*,VA*).
Geologic age:
Early Pennsylvanian (late Namurian to Westphalian; Morrowan)*; locally Late Mississippian (Serpukhovian; late Chesterian)
Type section, locality, area and/or origin of name:
Type section: Big Stone Gap, Wise Co., southwestern VA (Englund, 1964; see Campbell, 1893).
[Reference section (composite): new highway cuts in Cumberland Gap area, Bell Co., southeastern KY, and Lee Co., southwestern VA (Englund, 1964, see fig. 1).]
Named from Lee Co., southwestern VA (US geologic names lexicon, USGS Bull. 896).
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 ([ ]).