Sealevel history recorded in the Pleistocene carbonate sequence in IODP Hole 310-M0005D, off Tahiti

Yasufumi Iryu, Yasunari Takahashi, Kazuhiko Fujita, Gilbert Camoin, Guy Cabioch, Hiroki Matsuda, Tokiyuki Sato, Kaoru Sugihara, Jody M. Webster, Hildegard Westphal

Research output: Contribution to journalArticlepeer-review

18 Citations (Scopus)


Material cored during the Integrated Ocean Drilling Program (IODP) Expedition 310 'Tahiti Sea Level' revealed that the fossil reef systems around Tahiti are composed of two major stratigraphic sequences: (i) a last deglacial sequence; and (ii) an older Pleistocene sequence. The older Pleistocene carbonate sequence is composed of reef deposits associated with volcaniclastic sediments and was preserved in Hole 310-M0005D drilled off Maraa. Within an approximately 70-m-thick older Pleistocene sequence (33.22-101.93 m below seafloor; 92.85-161.56 m below present sealevel) in this hole, 11 depositional units are defined by lithological changes, sedimentological features, and paleontological characteristics and are numbered sequentially from the top of the hole downward (Subunits P1-P11). Paleowater depths inferred from nongeniculate coralline algae, combined with those determined by using corals and larger foraminifers, suggest two major sealevel rises during the deposition of the older Pleistocene sequence. Of these, the second sealevel rise is associated with an intervening sealevel drop. It is likely that the second sealevel rise corresponds to that during Termination II (TII, the penultimate deglaciation, from Marine Isotope Stages 6 to 5e). Therefore, the intervening sealevel drop can be correlated with that known as the 'sealevel reversal' during TII. Because there are limited data on the Pleistocene reef systems in the tropical South Pacific Ocean, this study provides important information about Pleistocene sealevel history, the evolution of coral reef ecosystems, and the responses of coral reefs to Quaternary climate changes.

Original languageEnglish
Pages (from-to)690-706
Number of pages17
JournalIsland Arc
Issue number4
Publication statusPublished - 2010 Jan 1
Externally publishedYes


  • DP Hunter
  • Hole M0005D
  • IODP Expedition 310 'Tahiti Sea Level'
  • Pleistocene
  • Sealevel change
  • Tahiti

ASJC Scopus subject areas

  • Geology


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