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Figure F7. Low-latitude oxygen isotopic stack for the late Quaternary, showing marine isotope stages (MIS) and events (Bassinot et al., 1994). Planktonic foraminifer assemblage zones and subzones as well as ash layers (stars) from the Gulf of Mexico are after Kennett and Huddlestun (1972), with boundary ages adjusted using low-latitude MIS events (Bassinot et al., 1994). Purple text stands for planktonic foraminifer datum and green text stands for nannofossil datum.

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