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Figure F10. Core images and lithostratigraphic and biostratigraphic summary of the Cretaceous–Paleogene transition, Holes U1403A and U1403B. Note that section-half preparation (splitting and washing) in both holes resulted in downhole transport of the Cretaceous/Paleogene (K/Pg) boundary spherules and the loss of some boundary material in Hole U1403B.

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