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Figure F35. Distribution of biostratigraphically important calcareous nannofossil taxa in Hole M0027A. Thickness of distribution line indicates relative abundance of species. Zonal assignments (Martini, 1971) are given, with approximate age indicated. A > or < in front of the age indicates that part of a zone is presumed to be missing because of an unconformity or nonrecovery of nannofossil-rich facies. Red lines = sequence boundaries, green lines = major flooding surfaces. EOT = Eocene–Oligocene transition. MIC = marine isotope chron. See Figure F4 in the "Methods" chapter for lithology legend.

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