Usage:
Rio Dell Formation of Wildcat Group (CA*)
Geologic age:
late Tertiary to Quaternary (Pliocene to Pleistocene)*
Type section, locality, area and/or origin of name:
Type section: east bank of Eel River north of Scotia and west bank of river west of Scotia, Humboldt Co., northwestern CA (Ogle, 1953).
AAPG geologic province:
Eel River 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 ([ ]).