Proc. IODP, 329, Data report: diatom biostratigraphy of IODP Site U1371 in the South Pacific Ocean

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Abstract Introduction Materials and methods Results Acknowledgments References Figures F1. South Pacific seafloor bathymetry map. F2. Stratigraphic distribution of diatom taxa. F3. Age-depth plot. Tables T1. Diatom occurrences. T2. Diatom datum events. Plates P1. Biostratigraphically useful diatoms. P2. Diatoms I: Actinocyclus–Asterolampra. P3. Diatoms II: Asteromphalus. P4. Diatoms III: Azpeitia–Cocconeis. P5. Diatoms IV: Coscinodiscus–Denticulopsis. P6. Diatoms V: Denticulopsis–Fragilariopsis. P7. Diatoms VI: Goniothecium–Opephora. P8. Diatoms VII: Paralia–Rouxia. P9. Diatoms VIII: Shionodiscus–Thalassionema. P10. Diatoms IX: Thalassiosira. P11. Diatoms X: Thalassiosira–Triceratium. P12. Chaetoceros resting spores I: Coronodiscus–Quadrocistella. P13. Chaetoceros resting spores II: Syndendrium–Xanthioitshmus. P14. Chaetoceros resting spores III: Xanthiopyxis. Appendix Taxonomic notes and floral references. PDF file			Previous \| Next doi:10.2204/iodp.proc.329.203.2015 Data report: diatom biostratigraphy of IODP Site U1371 in the South Pacific Ocean¹ Itsuki Suto² and Go-Ichiro Uramoto³ Abstract Diatom biostratigraphic analyses of late Miocene to Pleistocene sediments in Hole U1371D of Integrated Ocean Drilling Program Expedition 329 in the South Pacific Gyre are invoked although several reworked diatoms are included. The nine diatom biozones recognized indicate an estimated age of 8.67 Ma at ~100 meters below seafloor. Moreover, abundant occurrences of diatom resting spores at ~2.5 Ma indicate a eutrophication increase. ¹ Suto, I., and Uramoto, G.-I., 2015. Data report: diatom biostratigraphy of IODP Site U1371 in the South Pacific Ocean. In D’Hondt, S., Inagaki, F., Alvarez Zarikian, C.A., and the Expedition 329 Scientists, Proceedings of the Integrated Ocean Drilling Program, 329: Tokyo (Integrated Ocean Drilling Program Management International, Inc.). doi:10.2204/iodp.proc.329.203.2015 ² Department of Earth and Planetary Sciences, Graduate School of Environmental Studies, Nagoya University, Furo, Chikusa, Nagoya, Aichi 464-8601, Japan. suto.itsuki@a.mbox.nagoya-u.ac.jp ³ Kochi Institute for Core Sample Research, Japan Agency for Marine-Earth Science and Technology (JAMSTEC), Monobe B200, Nankoku, Kochi 783-8502, Japan. Initial receipt: 24 February 2014 Acceptance: 16 June 2015 Publication: 10 November 2015 MS 329-203 Top of page \| Previous \| Next