Usage:
Gene Canyon Formation (AZ,CA)
Subunits:
(alphabetical) --all in CA: Desilt Wash Member, Gene Wash Member, Giers Wash Member.
Geologic age:
Tertiary
Oligocene, late(?)
Miocene, early
Type section, locality, area and/or origin of name:
Type area: Gene Canyon, east Whipple Mountains, Gene Wash quadrangle, San Bernardino Co., CA (Davis and others, 1980).
AAPG geologic province:
Basin-and-Range 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 ([ ]).