Usage:
Paularino Member of Topanga Formation (CA*)
Geologic age:
Tertiary
Miocene, middle*
Type section, locality, area and/or origin of name:
Type area: north of Bonita Reservoir on Bonita Creek at northwest edge of San Joaquin Hills, [Tustin 7.5-min quadrangle], Orange Co., CA (Vedder and others, 1957).
AAPG geologic province:
Los Angeles 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 ([ ]).