/Ross Formation (TN*)
/Ross Formation of Linden Group (MS,TN)
[Name preempted by Ross Limestone of Foerste (1903) in same area.]
(alphabetical) --all in TN: Bear Branch Limestone Member, Birdsong Shale Member, /Decaturville Chert Zone, /Rockhouse Limestone Member, Rockhouse Shale Member or Rockhouse Member, /Ross Limestone Member.
late Silurian to Early Devonian*
Notable exposures in western TN (Wilson, 1949).
Cincinnati arch*
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 ([ ]).