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National Geologic Map Database
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  • Usage in publication:
    • Ooltewah formation
  • Modifications:
    • Named
  • Dominant lithology:
    • Limestone
    • Mudstone
  • AAPG geologic province:
    • Appalachian basin
Publication:

Cooper, G.A., 1956, Chazyan and related brachiopods [U.S.-Canada]: Smithsonian Miscellaneous Collections, v. 127, pt. 1, 1245 p.


Summary:

Named the Ooltewah formation for Ooltewah, Hamilton Co., southeastern TN. Consists of ribbon-banded limestone with numerous intercalations of red Moccasin-type mudstone and fewer interbeds of buff shale limestone. Lower half contains thin shaly layers. Thickness is 250 to 600 feet. Overlies Long Savannah formation and underlies Bays formation. The Ooltewah is of Middle Ordovician (Mohawkian) age.

Source: GNU records (USGS DDS-6; Reston GNULEX).


For more information, please contact Nancy Stamm, Geologic Names Committee Secretary.

Asterisk (*) indicates usage by the U.S. Geological Survey. Other usages by state geological surveys.

"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 does not conform with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005). This may be explained within brackets ([ ]).