Figure F12. Leg 206 timescale and primary calcareous nannofossil datums for the Cenozoic (after Shipboard Scientific Party, 2002). The datums are after Berggren et al. (1995b); datum marked with an asterisk is after Berggren et al. (1995a). MPTS = magnetic polarity timescale, FO = first occurrence, LO = last occurrence. Polarity bands: black = normal, and white = reversed polarity.