Usage:
Hookton Formation (CA)
Geologic age:
Pleistocene
Type section, locality, area and/or origin of name:
Named from Hookton-Table Bluff area where there are numerous, more or less typical, random exposures. Area of study, Eel River Valley, Humboldt Co., northwestern CA. Exposed on north and south sides of Eel River syncline; passes over Tompkins Hill anticline where folding has been more intense (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 ([ ]).