Usage:
Dubose Clay Member of Whitsett Formation of Jackson Group (TX*)
Geologic age:
early Tertiary (late Eocene)*
Type section, locality, area and/or origin of name:
Named for exposures in valley wall south of Sandies Creek near former Dubose Ranch, 2.5 mi by county road north-northeast of Sample in southern part of Gonzales Co., south-central TX. Sample is on U.S. Highway 87, 7.8 mi south of Smiley (US geologic names lexicon, USGS Bull. 1200).
AAPG geologic province:
Gulf Coast 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 ([ ]).