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- Usage in publication:
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- Millers Spring Member*
- Modifications:
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- Original reference
- Biostratigraphic dating
- Dominant lithology:
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- Sandstone
- AAPG geologic province:
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- Great Basin province
Summary:
Pg. 3 (fig. 2), 7-11. Millers Spring Member of Darwin Canyon Formation of Owens Valley Group. Sandstone, calcarenitic sandstone, and subordinate limestone. Thickness at type 487 m; ranges from about 475 to 600 m. Conformably underlies Panamint Springs Member (new) of Darwin Canyon Formation; conformably overlies Osborne Canyon Formation (new) of Owens Valley Group. Age is Early Permian (middle to late Wolfcampian) based on fusulinids.
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.
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.
Source: Publication; GNU records (USGS DDS-6; Menlo GNULEX).
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 ([ ]).