- Usage in publication:
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- Smelser Pass Member
- Modifications:
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- Named
- Biostratigraphic dating
- Dominant lithology:
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- Limestone
- Volcanics
- Argillite
- AAPG geologic province:
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- Great Basin province
Summary:
Name Smelser Pass is proposed for upper member (of 3) of Augusta Mountain Formation of Star Peak Group. Consists of dark-gray, mottled limestone capped by mafic volcanic rocks. Is medium- to thick-bedded, bioturbated, blocky weathering, cliff-forming, intertidal to subtidal deposits. Thickness ranges from 180 to 400 m. Conformably overlies the Panther Canyon Member of Augusta Mountain Formation of Star Peak Group; unconformably underlies Cane Spring Formation of Star Peak Group. Age is Middle and Late Triassic (Ladinian and Karnian).
Type section: near Smelser Pass, north end of China Mountain, in T. 32 N., R. 40 E., Pershing Co., NV.
Source: Modified from 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 ([ ]).