Usage:
Carthage Member of Tres Hermanos Formation (NM*)
Geologic age:
Late Cretaceous (Turonian)*
Type section, locality, area and/or origin of name:
Type section: in SE/4 SE/4 sec. 8 and NE/4 NE/4 sec. 17, T. 5 S., R. 2 E., San Antonio quadrangle, Socorro Co., central NM. Named from town of Carthage, 16 mi southeast of Socorro, Socorro Co., central NM (Hook and others, 1983).
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 ([ ]).