Usage:
Darwin Canyon Formation of Owens Valley Group (CA*)
Subunits:
(alphabetical) --all in CA*: Millers Spring Member, Panamint Springs Member.
Geologic age:
early Permian (Artinskian; late Wolfcampian to early Leonardian)*
Type section, locality, area and/or origin of name:
Type section (composite; = type sections of Panamint Springs and Millers Spring Members): upper part in Darwin Canyon, in E/2 sec. 4, T. 19 S., R. 41 E., Darwin 15-min quadrangle; lower part in Argus Range, in SW/4 sec. 13 and SE/4 sec. 14, T. 19 S., R. 41 E., Panamint Butte 15-min quadrangle, and in Darwin Canyon, in NW/4 sec. 10, SW/4 sec. 3, and SE/4 sec. 4, T. 19 S., R. 41 E., Darwin 15-min quadrangle, Inyo Co., eastern CA (Stone and others, 1987).
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 ([ ]).