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1987 Fiscal Year Final Research Report Summary

Trans-Pacific correlation of Cenozoic geohistory

Research Project

Project/Area Number 62043033
Research Category

Grant-in-Aid for Overseas Scientific Research

Allocation TypeSingle-year Grants
Section調査総括
Research InstitutionShizuoka University

Principal Investigator

TSUCHI Ryuichi  Professor, Faculty of Science, Shizuoka University, 理学部, 教授 (60021929)

Co-Investigator(Kenkyū-buntansha) IBARAKI Masako  Research Assistant, Shizuoka University, 理学部, 助手 (30109128)
KOIZUMI Itaru  Assistant Professor, Osaka University, 教養部, 助教授 (20029721)
FUJIYOSHI Akira  Assistant Professor, Shizuoka University, 教育学部, 助教授 (00022202)
TAKAYAMA Toshiaki  Professor, Kanazawa University, 教養部, 教授 (40004361)
SHUTO Tsugio  Professor Emerisus, Kyushu University, 名誉教授
Project Period (FY) 1985 – 1987
KeywordsCorrelation / Cenozoic / Plankotnic foraminifera / Calcareous nannoplankton / Diatomite / South America / Trans-Pacific / ダイアトマイト
Research Abstract

The purpose of our project is to make a precise trans-Pacific correlation of Cenozoic sequences of Japan with those on the Pacific coast of South America, within a biochronologic frame-work. Detailed biostratigraphic examinations of selected marine sequences in Colombia, Ecuador, Peru and Chile were made, by utilizing planktonic foraminifera, calcareous nannoplankton and diatom. The results are given as follows: 1.Revised bio- and chronostratigraphic correlation chart was accmplished. 2.The earlist Middle Miocene sequences are widely scattered in the region, including warm water elements of fossils in abundance as well as in Japan and other Pacific regions. 3.Typical diatomites of Middle Miocene and later ages are found exposed extensively in Peru, though their deposition seems to be limied in Pliocene time in Chile.
The new data will provide an important basis for further studies to disclose Pacific Neogene events in time and space.

  • Research Products

    (6 results)

All Other

All Publications (6 results)

  • [Publications] 土 隆一: 日本地質学会 第94年 学術大会講演要旨集. 221-221 (1987)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] TSUCHI,Ryuichi: 4th International Congress on Pacific Neogene Stratigraphy Berkeley,1987,Abstract Volume. 123-123 (1987)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] TSUCHI,Ryuichi: Pacific Neogene Event Studies. 102-104 (1987)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Tsuchi, Ryuichi: "Biochronostratigraphic correlation of Neogene sequences or Japan with those on the Pacific coast of South America" Geologoial Society of Japan Annual Meeting 1987 Abstract Volume. 221-221 (1987)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Tsuchi, Ryuichi: "Biochronostratigraphic correlation of Neogene marine sequences on the Pacific coast of South America" IVth International Congress on Pacific Neogene Stratigraphy, Berkeley, 1987, Abstract Volume. 123-123 (1987)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Tsuchi, Ryuichi: "Neogene events in Japan and the Pacific" Pacific Neogene Event Studies. 102-104 (1987)

    • Description
      「研究成果報告書概要(欧文)」より

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Published: 1989-03-30  

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