Alverson Formation (CA*)
Originally called Alverson Canyon Formation.
late Tertiary (Miocene)*
Type locality: Alverson Canyon [Fossil Canyon, in E/2 sec. 10, T. 16 S., R. 9 E., Carrizo Mountain 7.5-min quadrangle, Imperial Co., eastern Coyote Mountains, Yuha Desert Recreation Area, southern CA] (Dibblee, 1954).
Salton basin*
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 ([ ]).