- Usage in publication:
-
- Jewell Bluff Formation
- Modifications:
-
- Named
- Dominant lithology:
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- Limestone
- Siltstone
- AAPG geologic province:
-
- Cincinnati arch
Summary:
Jewell Bluff Formation named in Meigs Co., TN, and assigned to Stones River Group. Unit is gray, greenish-gray, and reddish-gray thin-bedded to medium-bedded limestone and siltstone. Divided into informal lower and upper members. Thickness 104 m. Unconformably overlies Mascot Dolomite of Knox Group and conformably underlies Carters Limestone of Stones River Group. Interfingers with Pond Spring Formation, Murfreesboro, Ridley, and Lebanon Limestones, all of Stones River Group. Age is Middle Ordovician.
Source: GNU records (USGS DDS-6; Reston GNULEX).
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 ([ ]).