Figure F2. Stratigraphic changes in the absolute abundance of radiolarian subtropical species with the LR04 curve (Lisiecki and Raymo, 2005) and correlations of radiolarian biohorizons. Biostratigraphic datums of planktonic foraminifers and calcareous nannofossils from Hole U1427A reported by Tada et al. (2015b) are also illustrated. FO = first occurrence, FCO = first common occurrence, LO = last occurrence. MIS = marine isotope stage. B/M = Brunhes/Matuyama.
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