Torres Member of Yeso Formation (NM*)
early Permian (Leonardian)*
Named from exposures in tributary to Agua Torres Canyon, Sevilleta Grant, 7 mi due south of Black Butte, Socorro Co., central NM (Wilpolt and others, 1946).
Orogrande basin*
Estancia 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 ([ ]).