Figure 4. Variations of terrigenous-free biogenic components and the oxygen isotope ratio of benthic foraminiferal calcite at Site 849 (Mix et al., 1995). TOC = total organic carbon. Shaded areas indicate cold intervals based on oxygen isotopic ratios.

Figure 4. Variations of terrigenous-free biogenic components and the oxygen isotope ratio of benthic foraminiferal calcite at Site 849 (Mix et al., 1995). TOC = total organic carbon. Shaded areas indicate cold intervals based on oxygen isotopic ratios.