Usage:
Calico Hills Formation (NV*)
Geologic age:
late Tertiary (Miocene)*
Type section, locality, area and/or origin of name:
Type locality: northwest side of Calico Hills, Topopah Spring quadrangle, Nye Co., NV (Sawyer and others, 1994).
Reference sections (subsurface): (1) depth-interval 1,701 to 2,704 ft, drillhole USW G-2, at Yucca Mountain; and (2) depth-interval 2,954 to 4,350 ft, drillhole UE-20f, at Pahute Mesa (Sawyer and others, 1994).
AAPG geologic province:
Great Basin province*
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 ([ ]).