No current usage.
(†Cornfield Springs Formation (CA,NV) is synonym of Nopah Formation. See Nopah.)
Middle(?) Cambrian
Not designated. Named from Cornfield Springs, San Bernardino Co., CA (Hazzard and Mason, 1936).
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 ([ ]).