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Figure F60. Diagrams of lithologic expression of the Eocene–Oligocene transition, Sites U1404, U1406, and U1411. Calcium carbonate content and brightness (L*) derived from color reflectance measurements. Yellow area correlates the stratigraphic interval between chron boundaries C15n/C13r (34.999 Ma; Gradstein et al., 2012) and C13n/C12r (33.157 Ma; Gradstein et al., 2012) between sites; if not unequivocally defined (grayish levels), mid-points were used.

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