Figure F2. A. δ18O record of planktonic foraminifer Globigerina bulloides providing stratigraphic framework. B–D. Diatom and silicoflagellate abundance variations. Dots in B = different levels analyzed. Black crosses in C = 8 samples in which the diatom faunal composition was studied. Dashed lines mark marine isotope stage (MIS) boundaries. VPDB = Vienna Peedee belemnite.
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