Usage:
Union Wash Formation (CA*)
Geologic age:
Triassic, Early*
Triassic, Middle(?)*
Type section, locality, area and/or origin of name:
Type section: south side of Union Wash area, in T. 14 S., R. 36 E., Union Wash 7.5-min quadrangle, Inyo Co., CA (Stone and others, 1991).
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 ([ ]).