Usage:
Tonopah Summit Member of Fraction Tuff (NV)
Geologic age:
Tertiary
Miocene
Type section, locality, area and/or origin of name:
Low slopes near Tonopah Summit, south and southeast of Mount Butler and Brock Mountain, and 1.6 km southeast of town of Tonopah, in secs. 11 and 12, T. 2 N., R. 42 E., Esmeralda Co., NV (Bonham and Garside, 1979).
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 ([ ]).