No current usage.
(†Bonita Sandstone Member of Franciscan Formation (CA) or †Bonita Sandstone of Franciscan Group (CA) abandoned.)
Jurassic and Cretaceous
Named from exposures at Bonita Point, north side of Golden Gate, Tamalpais 15-min quadrangle, Marin Co., western CA (Lawson, 1914).
Santa Cruz 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 ([ ]).