U.S. Geological Survey Home AASG Logo USGS HOME CONTACT USGS SEARCH USGS
National Geologic Map Database

Geologic Unit: Bays

Usage:

Bays Formation (GA*,TN*,VA*,WV*)
Bays Formation of Chickamauga Group (GA,TN)


Subunits:

(alphabetical) --all in TN,VA: Millbrig K-bentonite Bed, Walker Mountain Sandstone Member.


Geologic age:

Late Ordovician (Mohawkian)*


Type section, locality, area and/or origin of name:

Type area: exposures in Bays Mountain, Greeneville quadrangle, Hawkins and Greene Cos., northeastern TN (US geologic names lexicon, USGS Bull. 896; see Keith, 1895, 1905).


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 ([ ]).