Usage:
Deweyville Formation (TX)
Deweyville Allogroup (LA)
Geologic age:
Quaternary
Pleistocene
Holocene
Type section, locality, area and/or origin of name:
Named from exposures around Deweyville, on U.S. Highway 190, southwestern Newton Co., southeastern TX; name credited to H.A. Bernard, 1950, Quat. geol. southeastern TX, Louisiana State Univ., unpub. PhD dissert.).
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 ([ ]).