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National Geologic Map Database

Geologic Unit: Millers Spring

Usage:

Millers Spring Member of Darwin Canyon Formation of Owens Valley Group (CA*)


Geologic age:

early Permian (Artinskian; late Wolfcampian)*


Type section, locality, area and/or origin of name:

Type section (composite, measured in 5 segments corr. by marker beds): lowest segment high on east slope of Argus Range, in SW/4 sec. 13 and SE/4 sec. 14, T. 19 S., R. 41 E., Panamint Butte 15-min quadrangle; other segments 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. Named from Millers Spring, near head of Darwin Canyon, [Darwin 7.5-min quadrangle], Inyo Co., eastern CA (Stone and others, 1987).
Reference section: in S/2 sec. 10 and N/2 sec. 15, T. 19 S., R. 41 E., [Darwin 7.5-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 ([ ]).