Significance of the direct correlation of ammonite and radiolarian zones in the Izumi Group for integrated biostratigraphy of Late Cretaceous NW paleo-Pacific region

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概要

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• The direct correlation of radiolarian and ammonite zones in the Izumi Group were reviewed and revised forintegrated biostratigraphy across the Campanian – Maastrichtian boundary. The significance of the directcorrelation between mega- and micro-, i.e. between relatively near-shore nektonic and slope-basin planktonicfaunas in the same stratigraphic field, was discussed in relation with the litho- and biofacies of the group. TheLate Cretaceous ocean climate change and surface seawater current inferred from the radiolarian fauna wasconsidered as a marker event for the chronostratigraphic correlation in the middle latitude continental shelf toslope-basin facies facing towards the NW paleo-Pacific.

• 徳島大学の論文

著者

• TSUJINO YASUYUKI

  Tokushima Prefectural Museum

• Hashimoto Hisao

  Laboratory Of Sciences Naruto University Of Education

• Ishida Keisuke

  Laboratory of Geology, Institute of SAS, University of Tokushima

• Yamasaki Tetsuji

  Laboratory of Earth Science, Faculty of Education, Ehime University

• Kozai Takeshi

  Laboratory of Sciences, Naruto University of Education

• Ishida Keisuke

  Laboratory Of Geology Institute Of Sas University Of Tokushima

• Yamasaki Tetsuji

  Laboratory Of Earth Science Faculty Of Education Ehime University

• Kozai Takeshi

  Laboratory Of Sciences Naruto University Of Education

関連論文

• Fossil bivalve assemblages and depositional environments of the upper part of the Cretaceous Yezo Supergroup, Kotanbetsu-Haboro area, Hokkaido, Japan
• Significance of the direct correlation of ammonite and radiolarian zones in the Izumi Group for integrated biostratigraphy of Late Cretaceous NW paleo-Pacific region

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