- Usage in publication:
-
- Betheden formation
- Modifications:
-
- Named
- Dominant lithology:
-
- Clay
- Lignite
- AAPG geologic province:
-
- Black Warrior basin
Summary:
Named Betheden formation for Betheden, Winston Co., MS. Unit includes all residual material at top of Midway and below Midway-Wilcox unconformity. Consists of deposits of bauxite, kaolin, bauxitix, and kaolinitic clays and the overlying lignite. Thickness is approximately 25 feet. It gradationally overlies the Porters Creek formation and unconformably underlies the Fearn Springs formation, or the Ackerman formation where the Fearn Springs is absent. The Betheden is of Paleocene or Eocene age.
Source: GNU records (USGS DDS-6; Reston GNULEX).
- Usage in publication:
-
- Bethedenâ€
- Modifications:
-
- Abandoned
- AAPG geologic province:
-
- Black Warrior basin
Summary:
Fearn Springs and Betheden appear to be intraformational. Author recommends that name Betheden be abandoned and that Fearn Springs include both units.
Source: GNU records (USGS DDS-6; Reston GNULEX).
- Usage in publication:
-
- Betheden Formation
- Modifications:
-
- Overview
- AAPG geologic province:
-
- Black Warrior basin
Summary:
Betheden Formation is stratigraphic equivalent of Naheola Formation and is discarded by some workers in favor of Naheola. Described in this report as 25 ft of mostly nonmarine quartzose sands. Age generalized as Paleogene.
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 ([ ]).