Usage:
Cottonwood Canyon coal zone (informal) in Raton Formation (NM*)
Informal. The rank or lithologic term should not be capitalized.
Geologic age:
Tertiary*
Paleocene*
Type section, locality, area and/or origin of name:
Not designated. Crops out in Cottonwood and Caliente Canyons and underlies an area of about 26 sq km near east boundary of Casa Grande quadrangle, Colfax Co., NM (Pillmore, 1976).
AAPG geologic province:
Las Vegas-Raton 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 ([ ]).