Canyon Del Rey Diatomite Member of Monterey Formation (CA)
Miocene
Named from extensive exposures in Canyon del Rey, west-central CA. Best exposures of stratigraphic section are in roadcuts along old Los Laureles Grade Road, in secs. 9, 10, 15, and 16, T. 16 S., R. 1 W. Unit exposed more or less continuously in long, narrow strip over 8 sq mi and is known to underlie about 12 sq mi in Monterey and Salinas quadrangles (Bowen, 1965).
Coastal basins
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