Latest Oligocene through early middle Miocene diatom biostratigraphy of the eastern tropical Pacific, supplement to: Barron, John A (1983): Latest Oligocene through early middle Miocene diatom biostratigraphy of the eastern tropical Pacific. Marine Micropaleontology, 7(6), 487-515

John A Barron
Study of DSDP Sites 71, 77, and 495 has allowed the development of a refined diatom biostratigraphy for the latest Oligocene through early middle Miocene of the eastern tropical Pacific which is well correlated to the low-latitude zonations for planktonic foraminifers, coccoliths, and radiolarians. Six zones and 7 subzones are proposed, and correlation with high-latitude diatoms zonations for the North Pacific, the Norwegian Sea, and the Southern Ocean is suggested by the discovery of selected...
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