Usage:
Afton Basalt Flow of Potrillo Volcanics (NM)
Afton Basalt (NM)
Geologic age:
Quaternary
Type section, locality, area and/or origin of name:
Type locality: south and southeast of Afton, approx. 40 km southwest of Las Cruces, in T. 26 S., R. 1 W., Dona Ana Co., south-central NM (Hoffer, 1975).
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 ([ ]).