Usage:
Villa Nueva sand [unranked, informal] in Jackson Group (TX-notable exposures in Starr Co., and Mexico?)
Considered informal. The rank or lithologic term should not be capitalized.
Geologic age:
early Tertiary (late Eocene)
Type section, locality, area and/or origin of name:
[Kane and Gierhart (1935) described from section measured on both sides of Rio Grande River between Roma-Ciudad Miguel Aleman and Rio Grande City-Carmago, Starr Co., southern TX, and Tamaulipas, northeastern Mexico. Origin of name not stated.]
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 ([ ]).