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

Fig. 6

From: Transitional changes in microfossil assemblages in the Japan Sea from the Late Pliocene to Early Pleistocene related to global climatic and local tectonic events

Fig. 6

Characteristic faunal and floral changes from 4 to 0.6 Ma. a Standard marine oxygen isotope curve LR04 (Lisiecki and Raymo 2005); b lithological units with occurrence horizons of the ice-rafted debris (IRD) at site 795, ODP Leg 127 (Tada 1994); c deep-dwelling radiolarians from DSDP site 302 (Kamikuri and Motoyama 2007); d calcareous nannofossils from on-land sections in the Akita district (Sato et al. 2012); e subtropical planktonic foraminifera G. ruber from on-land sections in the Hokuriku district (Kitamura and Kimoto 2006); f coiling ratio of N. pachyderma from ODP site 798 (Kheradyar 1992); g calcium carbonate contents from ODP site 798; h Td’-based sea surface temperatures (SST) from ODP site 797 (central Japan Sea) and DSDP site 436 (northwestern Pacific) (Koizumi and Yamamoto, in press); and i warm-water diatoms and mollusks from on-land sections in the Niigata district (Yanagisawa and Amano 2003)

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