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National Geologic Map Database

Geologic Unit: Santa Rosa

Usage:

Santa Rosa Sandstone (NM*)
Santa Rosa Formation (NM*)
Santa Rosa Sandstone of Dockum Group (NM*)
Santa Rosa Formation of Dockum Group (NM*,TX*)
Santa Rosa Formation of Chinle Group (NM)


Subunits:

(alphabetical) --all in NM: Los Esteros Member, Tecolotito Member, Tres Lagunas Member.


Geologic age:

Late Triassic*


Type section, locality, area and/or origin of name:

Type section: in SW/4 sec. 35, T. 9 N., R. 21 E., Guadalupe Co., northeastern NM (Kelley, 1972).
Principal reference section: in N/2 sec. 1, T. 8 N., R. 21 E., and SE/4 SE/2 sec. 36, T. 9 N., R. 22 E., Guadalupe Co., northeastern NM (Finch, 1988).


AAPG geologic province:

Estancia basin*
Las Vegas-Raton basin*
Orogrande basin*
Palo Duro basin*
Permian basin*


For more information, please contact Nancy Stamm, Geologic Names Committee Secretary.

Asterisk (*) indicates usage by the U.S. Geological Survey. Other usages by state geological surveys.

"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 does not conform with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005). This may be explained within brackets ([ ]).