Usage:
No current usage.
(†Sixmile Canyon Andesite (NM) or †Sixmile Canyon unit (NM) replaced with Sawmill Canyon Formation. See Sawmill Canyon.)
Geologic age:
Tertiary
Oligocene
Type section, locality, area and/or origin of name:
Type locality: Sixmile Canyon in eastern Magdalena Mountains, approx. 11 mi southeast of Magdalena, in sec. 4, T. 4 S., R. 3 W., unsurveyed, South Baldy 7.5-min quadrangle, 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 ([ ]).