Cold Creek Member of Topanga Canyon Formation of Topanga Group (CA*-recognized locally east of Malibu Canyon)
Tertiary
Miocene, middle*
Cold Creek-Old Topanga Canyon area, in SW/4 sec. 35, T. 1 N., R. 17 W., Santa Monica Mountains, northeast corner Malibu Beach 7.5-min quadrangle, Los Angeles Co., CA (Yerkes and Campbell, 1979).
Los Angeles basin*
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Asterisk (*) indicates published by U.S. Geological Survey authors.
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Slash (/) indicates name conflicts with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005, 2021). May be explained within brackets ([ ]).