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Progress in Earth and Planetary Science
Fig. 6 | Progress in Earth and Planetary Science

Fig. 6

From: Multiproxy sedimentological and geochemical analyses across the Lower–Middle Pleistocene boundary: chemostratigraphy and paleoenvironment of the Chiba composite section, central Japan

Fig. 6

Temporal changes in sedimentological parameters from MIS 20 to MIS 18 at the CbCS. a K/Ti record obtained by TATSCAN-F2, which is interpreted as a grain-size proxy (see details in the text). Note the smaller K/Ti value indicates coarser sediment. b High-resolution δ18O records from planktonic (Globigerina bulloides) and c benthic foraminifers at the CbCS (Haneda et al. 2020b). Thick lines are 1000 yr moving average profiles. d The LR04 benthic stack (Lisiecki and Raymo 2005). e Calculated sedimentation rate variation at the CbCS (after Suganuma et al. 2018) with (light gray bars) and without (dark gray bars) sandstone beds. Detailed information on the age model is given in Suganuma et al. (2018). Dashed lines are Marine Isotope Stage and substage boundaries, based on Haneda et al. (2020b)

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