Usage:
Cedar Hill Andesite (NM)
Geologic age:
Tertiary
Oligocene
Type section, locality, area and/or origin of name:
Not designated. Origin of name not stated by authors, but probably named from Cedar Hill, in sec. 12, T. 31 S., R. 18 W., where it is well exposed (Zeller and Alper, 1965).
AAPG geologic province:
Pedregosa 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 ([ ]).