Usage:
Mesilla Valley Shale (NM,TX,Mexico)
Geologic age:
late Early Cretaceous (Albian)
Type section, locality, area and/or origin of name:
In NW/4 NW/4 NE/4 sec. 16, T. 29 S., R. 4 E., Dona Ana Co., NM. Named from an agricultural area on the Rio Grande flood plain, north of Cerro de Cristo Rey and in Dona Ana Co., NM (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 ([ ]).