Usage:
Crater Flat Group (NV*)
Subunits:
(alphabetical) --all in NV*: Bullfrog Tuff, Prow Pass Tuff, Tram Tuff.
Geologic age:
Tertiary*
Miocene*
Type section, locality, area and/or origin of name:
Type area: exposures around edges of Crater Flat, on southeast end of hogback, at south side of Crater Flat, Bare Mountain 15-min quadrangle, Nye Co., NV (Byers and others, 1976).
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 ([ ]).