Abstract
Late Quaternary calcareous nannofossil assemblages at Integrated Ocean Drilling Program Site U1308, located in the North Atlantic Ocean, were analyzed in sediments covering the last 550,000 y. The uppermost Quaternary sediments at this site contain abundant nannofossils, and their assemblages are characterized by high species diversity. Nannofossil assemblages are characterized by abundant small specimens (<4 µm) of Gephyrocapsa throughout the sequence. Conversely, the upper part of the sequence is dominated by Coccolithus pelagicus, Calcidiscus leptoporus, and Emiliania huxleyi.
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