Revised Miocene and Pliocene diatom biostratigraphy of Upper Newport Bay, Newport Beach, California, supplement to: Barron, John A (1976): Revised Miocene and Pliocene diatom biostratigraphy of Upper Newport Bay, Newport Beach, California. Marine Micropaleontology, 1, 27-63

John A Barron
North Pacific diatom zones XXIII through IX of Schrader are recognizable in the middle Miocene to lower Pliocene stratigraphic section exposed around Upper Newport Bay in Newport Beach, California. Correlation with DSDP Site 173 and other stratigraphic sections in California allows the selection of diatom datums that are the most reliable for long-distance correlation. Individual diatom datums are proposed as markers for North Pacific diatom zones XXIII through IX.Correlations with DSDP Site 173 reveal a...
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