Usage:
Baseline Sandstone (AZ*,NV*)
Subunits:
Overton Conglomerate Member (NV*).
Geologic age:
Cretaceous*
Type section, locality, area and/or origin of name:
Notable exposures along Baseline Wash in Muddy Mountains, Clark Co., NV (Longwell, 1949).
[Principal reference section: Lat. 36 deg. 15 min. 45 sec. and 36 deg. 19 min. 30 sec. N.; Long. 114 deg. 36 min. and 114 deg. 37 min. W., Muddy Peak 15-min quadrangle, Clark Co., NV.]
AAPG geologic province:
Great Basin province*
Plateau sedimentary 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 ([ ]).