Usage:
Ojo Encino Member of Nacimiento Formation (NM)
Subunits:
Penistaja Bed (NM).
Geologic age:
Tertiary
Paleocene, early
Type section, locality, area and/or origin of name:
Type section: west flank Torreon Wash, where extensively exposed in SE/4 SE/4 NW/4 sec. 27, T. 21 N., R. 5 W., Deer Mesa 7.5-min quadrangle, Sandoval Co., northwestern NM. Named from Ojo Encino (Spanish for Oak Spring) located just west of Torreon Wash, in sec. 22, T. 20 N., R. 5 W. (Williamson and Lucas, 1992).
AAPG geologic province:
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 ([ ]).