Usage:
Huerto Andesite (CO*)
Huerto Formation (CO*)
Huerto Quartz Latite (CO*)
Geologic age:
early Tertiary (Oligocene)*
Type section, locality, area and/or origin of name:
Named from occurrences on Huerto Peak in southern part of San Cristobal quadrangle, west of Huerto Creek (Larsen, 1917).
AAPG geologic province:
San Juan Mountains province*
San Luis 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 ([ ]).