Usage:
Chavez Canyon Member of Spears Formation of Datil Group (NM)
Geologic age:
early Tertiary (Oligocene)
Type section, locality, area and/or origin of name:
Type section: Chavez Canyon, 17 mi northeast of Datil, 0.6 mi north of Chavez well, in S/2 sec. 27, T. 2 N., R. 8 W., Socorro Co., central NM (Osburn and Chapin, 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 ([ ]).