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Figure F5. Timescales used during Expedition 342 with calcareous nannofossil, planktonic foraminifer, and radiolarian zones and datums through the 0–85 Ma interval. B = base, T = top, Tc = top common, Ta = top of acme, Bc = base common, Br = base reentrance, X = abundance cross-over in nannofossils or coiling change in planktonic foraminifers. A. 0–12 Ma. (Continued on next five pages.)

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