Figure F9. Correlation of the geomagnetic polarity timescale (Cande and Kent, 1995; Berggren et al., 1995) and the diatom biostratigraphic zonations used during Expedition 311. NPD = North Pacific diatom zones (Akiba, 1986; Yanagisawa and Akiba, 1998). FO = first occurrence, LO = last occurrence, LCO = last common occurrence.
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