Usage:
Anton Chico Member of Moenkopi Formation (NM)
Geologic age:
Middle Triassic (Anisian)
Type section, locality, area and/or origin of name:
Type section: in NW/4 NW/4 NW/4 sec. 29, T. 12 N., R. 17 E., San Miguel Co., NM. Named from town of Anton Chico (Spanish for "little Anthony"), [Guadalupe Co.], NM (Lucas and Hunt, 1987).
AAPG geologic province:
Las Vegas-Raton basin
Orogrande basin
Palo Duro basin
San Juan 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 ([ ]).