Usage:
Del Norte Formation (NM,Mexico)
Geologic age:
late Early Cretaceous (Albian)
Type section, locality, area and/or origin of name:
Type section: in NW/4 sec. 15, T. 29 S., R. 4 E., Smeltertown quadrangle, Dona Ana Co., NM. Named from Rio Bravo Del Norte (Rio Grande) (Strain, 1976).
AAPG geologic province:
Orogrande 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 ([ ]).