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1992 Fiscal Year Final Research Report Summary

Palaeontological and geochemical study of Late Cretaceous oceanic anoxic event

Research Project

Project/Area Number 02640614
Research Category

Grant-in-Aid for General Scientific Research (C)

Allocation TypeSingle-year Grants
Research Field Stratigraphy/Paleontology
Research InstitutionWASEDA UNIVERSITY

Principal Investigator

HIRANO Hiromichi  Waseda Univ., School of Education, Professor, 教育学部, 教授 (00037293)

Co-Investigator(Kenkyū-buntansha) ASAI Akito  Waseda Univ., School of Education, Assistant, 教育学部, 助手 (10222556)
NAKAYAMA Eiji  Waseda Univ., Sci. & Engineer. Resear. Lab., Special Researcher, 理工学研究所, 特別研究員 (50207940)
ANDO Hisao  Ibaraki Univ., Fac. of Sci., Assistant, 理学部, 助手 (50176020)
Project Period (FY) 1990 – 1992
KeywordsCretaceous / Cenomanian Stage / Turonian Stage / Oceanic anoxic event / Hokkaido / Yezo Supergroup
Research Abstract

We clarified the existence of the so-called Cenomanian/Turonian oceanic anoxic event, which is world-widely recognized except Northwestern Pacific, in the Cenomanian/Turonian boundary bed of the Middle Yezo Group distributed in Oyubari and Obira, Hokkaido by the study of lithofacies, megabiofacies, ichnofacies, sulphur contents and sulphur/organic carbon ratio. We reported this result in some domestic annual meetings and international conferences which were held in Grenoble, France and London, UK. The head investigator visited and sampled in North Tunisia, Africa and Provance, France and compared chemostratigraphical patterns across the C/T boundary between Hokkaido, North Tunisia and Provance, confirming the existence of the Cenomanian/Turonian oceanic anoxic event in the Northwestern Pacific. The head investigator carried out the field trip in the occasion of the 29th International Geological Congress at the C/T boundary exposures in Oyubari and Mikasa, Hokkaido, discussing the reliability of OAE at the studied beds.
Thus we succeeded in getting the timing and world-wide scale of the event, and further subject which we are now studying is to clarify the causal factor in relation to the earth structure and its rhythm.

  • Research Products

    (23 results)

All Other

All Publications (23 results)

  • [Publications] HIRANO,H.: "Evolution of some Late Cretaceous desmoceratine ammonoids." Trans.Proc.Palaeont.Soc.Japan,N.S.157. 383-412 (1990)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] ASAI,A.: "Stratigraphy of the Upper Cretaceous in the Obirashibe area,Northwestern Hokkaido." Gakujustu-Kenkyu,Ser.Biol.& Geol.,School of Education,Waseda University. 39. 37-50 (1990)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] 中山 英二: "炭素-硫黄サイクルのゆらぎに対する応答ー白亜紀のCAEを例としてー" 早稲田大学教育学部学術研究,生物・地学編. 39. 1-19 (1990)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] HIRANO,H.: "A unique coleoid(Cephalopocla)from the Upper Cretaceous Yezo Supergroup of Hokkaido,Japan." Proceedings of Shallow Tethys 3,Sendai.3. 201-221 (1991)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] 平野 弘道: "白亜紀Cenomanian/Turonian期境界に認められる海洋無酸素事変ー北海道蝦夷累層群の例ー" 早大・理工研報告. 131. 52-59 (1991)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] HIRANO,H.: "Confirmation of OAE at the boundary between Cenomanian and Turonian stages in Japan." Geologie Alpine,Mem.H.S.17. -61 (1991)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] 平野 弘道: "化石記録からみた大量絶滅-アンモナイトからわかる事-" 日本古生物学会「化石」. 50. 19-22 (1991)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] 平野 弘道: "海洋無酸素事変とアンモナイト類の進化" 日本古生物学会「化石」. 53. 49-51 (1992)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] 安藤 寿男: "上部白亜系中部蝦夷層群三笠層の層序と浅海堆積相" 地質学雑誌. 96. 279-295 (1990)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] 安藤 寿男: "上部白亜系中部蝦夷層群三笠層の浅海堆積相分布と前進性シーケンス" 地質学雑誌. 96. 453-469 (1990)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] 安藤 寿男: "白亜紀セノマニアン〜チューロニアンの海水準変動-北海道蝦夷累層群三笠層を例として-" 堆積学研究会報. 32. 35-41 (1990)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] 安藤 寿男: "堆積シーケンスとその境界の認定と意義" 地学雑誌. 99. 39-54 (1990)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] HIRANO,H.: "Evolution of some Late Cretaceous desmoceratine ammonoids" Trans.Proc. Palaeont.Soc.Japan, N.S.no.157. 383-412 (1990)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] ASAI, A.: "Stratigraphy of the Upper Cretaceous in the Obirashibe area, Northwestern Hokkaido" Gakujutsu-Kenkyu, Ser.Biol. & Geol., School of Education, Waseda University. no.39. 37-50 (1990)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] NAKAYAMA, E.: "Responses of Carbon-Sulfur cycle to the perturbation-As an example of the OAE of the Cretaceous Period- HIRANO,H., Aunique coleoid (Cephalopoda) from the Upper Cretaceous Yezo Supergroup of Hokkaido, Japan" Proc.Shallow Tethys 3, Sendai. vol.3. 201-221 (1991)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] HIRANO,H.: "Oceanicanoxic event at the boundary of Cenomanian/Turonian ages-First report on the Cretaceous Yezo Supergroup, Hokkaido, Japan from the view of biostratigraphy of megafossils, sedimentary- and ichno-facies and geochemistry-" Bull.Sci.Engineer.Res.Lab., Waseda Univ.no.131. 52-59 (1991)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] HIRANO,H.: "Confirmation of OAE at the boundary between Cenomanian and Turonian stages in Japan" Geologie Alpine, Mem.H.s.vol.17. 61 (1991)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] HIRANO,H.: "Mass extinctions from viewpoint of fossil records- A comment from studies of ammonite fossils-" Palaeont. Soc. Japan Fossils. no.50. 19-22 (1991)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] HIRANO,H.: "The Cenomanian/Turonian oceanic anoxic event and the evolution of ammonoids" Palaeont.Soc.Japan Fossils. no.53. 49-51 (1992)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] ANDO,H.: "Stratigraphy and shallow marine sedimentary facies of the Mikasa Formation, Middle Yezo Group (Upper Cretaceous)" Jour.Geol.Soc.Japan. vol.96, no.4. 279-296 (1990)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] ANDO,H.: "Shallow-marine sedimentaty facies distribution and progradational sequences of the Mikasa Formation, Middle Yezo Group (Upper Cretaceous)" Jour.Geol.Soc.Japan. vol.96, no.6. 453-469 (1990)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] ANDO,H.: "Sea-level change during Cenomanian to Turonian, Late Cretaceous-in the case of the Mikasa Formation, Yezo Supergroup, Hokkaido-" J.Sed.Soc. Japan. no.32. 35-41 (1990)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] ANDO,H.: "Recognition and significance of depositional sequences and their boundaries" Jour.Geogr.vol.99, no.3. 39-54 (1990)

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

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Published: 1994-03-24  

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