Usage:
/Animas Quartz Monzonite in Juniper Cauldron sequence (informal) (NM)
[Preoccupied. Name previously applied to the Animas Formation by Cross (1896) in CO.]
Geologic age:
Tertiary
Type section, locality, area and/or origin of name:
Notable exposures in Animas Mountains, Walnut Wells quadrangle, Hidalgo Co., southwestern NM. Stock is almost 4 mi long and varies from less than 0.25 mi wide to over 2.5 mi wide. Stock is an irregularly funnel-shaped intrusion in which part of the roof of overlying rocks has been faulted (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 ([ ]).