Usage:
Dilworth Sandstone Member of Whitsett Formation of Jackson Group (TX*)
Geologic age:
early Tertiary (late Eocene)*
Type section, locality, area and/or origin of name:
Named from exposures at Dilworth, 0.8 mi east of brick schoolhouse, on J. Winclarek 39.5-acre tract in George Blair survey, Gonzales Co., southeastern TX (Ellisor, 1933).
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 ([ ]).