Usage:
Darrough Felsite (NV*)
Geologic age:
pre-Mesozoic(?)* to Tertiary*
Type section, locality, area and/or origin of name:
Type locality: east front of Toyabe [Toiyabe] Range, west of Darrough's Hot Springs [in T. 11 N., R. 42 E., Carvers 7.5-min quadrangle], Nye Co., south-central NV (Ferguson and Cathcart, 1954).
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 ([ ]).