- Usage in publication:
-
- Red Pass Limestone Member*
- Modifications:
-
- Named
- Dominant lithology:
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- Limestone
- Mudstone
- Oolite
- AAPG geologic province:
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- Great Basin province
Summary:
Pg. 17-18. Red Pass Limestone Member of Carrara Formation. Name proposed for the 4th from uppermost member (of 9). Present in southeastern California and southern Nevada. Consists of light-gray to white limestone, lime mudstone, and oolite. Described as cliff-forming burrowed, oncolitic, and fossiliferous. Thickness ranges from <1 to 107 m. Conformably overlies Pyramid Shale Member (new) and underlies with sharp contact Pahrump Hills Shale Member (new), both of Carrara Formation. Age is Middle Cambrian. (Red Pass Limestone Member of Carrara Formation adopted by the USGS.)
Type locality: exposures on west side of Titanothere Canyon below Thimble Peak, Grapevine Mountains [Thimble Peak 7.5-min quadrangle], Inyo Co., southeastern CA. Named for Red Pass, 1 km east of Titanothere Canyon.
Source: GNU records (USGS DDS-6; Menlo GNULEX); US geologic names lexicon (USGS Bull. 1564, p. 141); Changes in stratigraphic nomenclature, 1979 (USGS Bull. 1502-A, p. A62-A63).
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 ([ ]).