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1996 Fiscal Year Final Research Report Summary

Cretaceous Sakhalin and Cretaceous events in North Pacific-II

Research Project

Project/Area Number 08041113
Research Category

Grant-in-Aid for international Scientific Research

Allocation TypeSingle-year Grants
SectionField Research
Research InstitutionNational Science Museum

Principal Investigator

UEMURA Kazuhiko  Nat.Sci.Mus., Dept.Geol., Paleobot.Div.Head, 地学研究部, 室長 (50000138)

Co-Investigator(Kenkyū-buntansha) SHTEINBERG G  Inst.Volcanol.Geodynamics, Director, 火山地球ダイナミクス研究所, 所長
HASEGAWA Takashi  Kanazawa Univ., Fac.Sci.Assistant, 理学部, 助手 (50272943)
KODAMA Kazuto  Kochi Univ., Fac.Sci., Assist Prof., 理学部, 助教授 (00153560)
MAEDA Haruyoshi  Kyoto Univ., Fac.Sci., Assist.Prof., 理学部, 助教授 (10181588)
SHIGETA Yasunari  Nat.Sci.Mus., Dept.Geol., Curator, 地学研究部, 研究官 (30270408)
Project Period (FY) 1996
KeywordsCretaceous / Russia / Sakhalin / biostratigraphy / paleontology / Magnetostratigraphy / Cretaceous events
Research Abstract

The Upper Cretaceous System in the southwestern part of the Kril'on Peninsula was studied biostratigraphically, succeeded from our first expedition to Southern Sakhalin in 1993-1994. Supplementary, the Upper Cretaceous in the Naiba area, including the type sections along the Naiba and Krasnoyarka rivers, was also studied in both the biostratigraphy and paleomagnetic stratigraphy.
The correlatives to the Bykov and Krasnoyarka formations, ranging from the Santoinian to earlier Maastrichtian, are exposed in the western and eastern parts of Kril'on, from which successive occurrences of many well-preserved ammonoids, inoceramids and other invertebrate and plant megafossils were confirmed. Almost complete Campanian sequence was found along the Kura River in the eastern part. In this Kura River section, seven biostratigraphically important megafossil assemblages were recognized, including the occurrence of such index ammonoid taxa as Pachydiscus awajiensis and "P." soyaensis. In the Naiba area of the central Southern Sakhalin, we collected the samples for paleomagnetic stratigraphy at 36 sites (ca.250 specimens). The result of the paleomagnetic measurements are quite consistent with our results of biostratigraphy and carbon isotope stratigraphy. Combining with these results, precise bio- and chronostratigraphy can be established in Sakhalin, which provide a sound basis for the correlation of the Upper Cretaceous between Sakhalin and Hokkaido, and for the interpretation in biotic and physical evolution during the Late Cretaceous in the North Pacific.

  • Research Products

    (14 results)

All Other

All Publications (14 results)

  • [Publications] Kase,T.: "New species of patellogastropada (Mollusca) from the Cretaceous of Hokkaido,Japan and Sakhalin,Russia" Journal of Paleontology. 70. 762-771 (1996)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Landman,N.H.: "Ammonoid embryonic development" Topics in Geobiology. 13. 343-405 (1996)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Maeda,H.: "Ammonoid taphonomy" Topics in Geobiology. 13. 543-578 (1996)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Zakharov,Y.D.: "δ^<13>C and δ^<18>O in the major Phanerozoic boundaries and a main reason for a great extinction" Albertiana. 18. 13-20 (1996)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] 重田康成: "サハリン州クリリョン半島の上部白亜系層序と化石群" 日本古生物学会1997年年会講演予稿集. 1997. 89- (1997)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] 長谷川 卓: "国際対比ツールとしての炭素同位体比層序-白亜系Cenomanian〜Maastrichtian階での実用性の検証" 日本古生物学会1997年年会講演予稿集. 1997. 88- (1997)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Uemura,K.: "Cenozoic history of Ginkgo in East Asia. In : Ginkgo biloba-a Glopal Treasure (T.Hori ed)" Springer Verlag,Tokyo (印刷中), (1997)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Kase, T.et al: "New species of Patellogastropoda (Mollusca) from the Cretaceous of Hokkaido, Japan and Sakhalin, Russia" J.Paleontology. 70. 762-771 (1996)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Landmann, N.H.et al.: "Ammonoid embryonic development" Topics in Geobiol. 13. 343-405 (1996)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Maeda, H.et al.: "Ammonoid taphonomy" Topics in Geobiol. 13. 543-578

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Zakhalov, Y.D.et al.: "delta^<13>C and delta^<18>O in the major Phanerozoic boundaries and a main reason for a great extinction" Albertiana. 13. 13-20

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Shigeta, Y.et al.: "Stratigraphy and fossil assemblages of the Upper Cretaceous in the Kril'on Peninsula, Sakhalin" Abst.Program.1997 Ann.Meet.Palaeont.Soc.Japan, 1997. 89. (1997)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Hasegawa, T.et al.: "Carbon isotope stratigraphy as a tool for intercontinental correlation" Abst.Program.1997 Ann. Meet.Palaeont.Soc.Japan, 1997. 88. (1997)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Uemura, K.: Cenozoic history of Ginkgo in East Asia. In : Ginkgo biloba-a Global Treasure (T.Hori ed.). Springer Verlag, Tokyo (in press), (1997)

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

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Published: 1999-03-09  

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