U.S. Geological Survey Home AASG Logo USGS HOME CONTACT USGS SEARCH USGS
National Geologic Map Database

Geologic Unit: Sandia

Usage:

Sandia Formation (CO,NM*)


Geologic age:

Pennsylvanian, Early*
Morrowan*
Pennsylvanian, Middle*
Atokan*
Desmoinesian*


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

Present in Sandia, Manzano, and San Andreas Mountains, central northern NM (Herrick, 1900).
Principal reference section (composite, sections J1-J7): across hogback ridges; base of composite section (J1) beginning about 0.95 mi north of Mora River and 2.7 mi east of center of town of Mora [approx. Lat. 35 deg. 58 min. 35 sec. N., Long. 105 deg. 17 min. 00 sec. W., Mora Co., central northern NM] (Baltz and Myers, 1999).


AAPG geologic province:

San Juan basin*
Las Vegas-Raton basin*
Orogrande basin*
Estancia basin
Palo Duro 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 does not conform with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005). This may be explained within brackets ([ ]).