Usage:
Summit Lake Tuff (NV*)
Geologic age:
late Tertiary (Miocene)*
Type section, locality, area and/or origin of name:
Type locality: in northwestern part of Black Rock Range, in SW/4 NW/4 sec. 35, T. 43 N., R. 26 E., [approx. Lat. 41 deg. 36 min. 15 sec. N., Long. 118 deg. 59 min. 15 sec. W.], Idaho Canyon 15-min quadrangle, Charles Sheldon Antelope Range and Sheldon National Wildlife Refuge, Humboldt Co., northwestern NV. Named from exposures in vicinity of Summit Lake, in adjacent Rock Spring Table 15-min quadrangle, Humboldt Co., northwestern NV (Noble and others, 1970).
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 ([ ]).