Usage:
Ceja Formation of Santa Fe Group (NM*)
Subunits:
(alphabetical) --all in NM: Atrisco Member, Rio Puerco Member, Santa Ana Mesa Member.
Geologic age:
late Tertiary (Pliocene)*; NM geologists incl. Quaternary (Pleistocene) age deposits
Type section, locality, area and/or origin of name:
Type section: exposure along south side of El Rincon, a box canyon in west slope of Ceja Mesa, 19 km west of Albuquerque, in NE/4 SE/4 sec. 19, T. 10 N., R. 1 E. [unsurveyed], [along bdry. btw. La Mesita Negra and La Mesita Negra SE 7.5-min quadrangles], Bernalillo Co., north-central NM (Kelley, 1977; see also Williams and Cole, 2007, Connell, 2008).
AAPG geologic province:
Estancia 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 ([ ]).