- Usage in publication:
-
- Bedias sandstone member
- Modifications:
-
- Original reference
- Dominant lithology:
-
- Sandstone
- AAPG geologic province:
-
- Gulf Coast basin
Summary:
Pg. 26-28, table opp. p. 17. Bedias sandstone member. Basal member of Wellborn formation of Jackson group, in Grimes, Brazos, Lee, Fayette, Burleson, and Gonzales Counties, in all of which it is exposed. [Exposures listed.] Consists of massive gray sandstone, locally quartzitic, containing marine beds near top at some localities. Thickness 0 to 30 feet. Conformably overlies Caddell formation, into which, at some localities, it interfingers at base. Fossils identified by Miss Gardner as upper Jackson. Age is late Eocene.
Named from town of Bedias, Grimes Co., TX, in vicinity in which it is well exposed.
Source: US geologic names lexicon (USGS Bull. 896, p. 143).
- Usage in publication:
-
- Bedias sandstone member
- Modifications:
-
- Incidental mention
- AAPG geologic province:
-
- Gulf Coast basin
Summary:
Pg. 2627, 2628. Incidental mention in discussion of Wellborn sandstone which is here considered a formation, undivided. [See also entry under Wellborn.]
Source: US geologic names lexicon (USGS Bull. 1200, p. 268).
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 ([ ]).