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Geological correlation of southwest Japan and Korean Peninsula-tectonics for spreading of active continental margin-.

Research Project

Project/Area Number 02045023
Research Category

Grant-in-Aid for international Scientific Research

Allocation TypeSingle-year Grants
SectionUniversity-to-University Cooperative Research
Research InstitutionShimane University

Principal Investigator

IIZUMI Shigeru  Faculty of Science, Shimane University, 理学部, 教授 (80032639)

Co-Investigator(Kenkyū-buntansha) KWON Sung Tack  College of Science, Yonsei University, 理学部, 助教授
MOON Hi Soo  College of Science, Yonsei University, 理学部, 助教授
YU Kang Min  College of Science, Yonsei University, 理学部, 副教授
LEE Ha Young  College of Science, Yonsei University, 理学部, 教授
ISHIGA Hiroaki  Faculty of Science, Shimane University, 理学部, 助教授 (80183002)
AKASAKA Masahide  Faculty of Science, Shimane University, 理学部, 助教授 (20202509)
SAWADA Yoshihiro  Faculty of Science, Shimane University, 理学部, 助教授 (80196328)
TAKAYASU Katsumi  Research center for coastal lagoon environments, Shimane University, 汽水域研究センター, 教授 (00127490)
ITO Haruaki  Faculty of Science, Shimane University, 理学部, 教授 (80032423)
TOKUOKA Takao  Faculty of Science, Shimane University, 理学部, 教授 (30025358)
MOON Hi Soon  延世大学, 理学部, 助教授
三宅 康幸  島根大学, 理学部, 助教授 (70200144)
KWAN SungーTa  延世大学, 理学部, 助教授
MOON HiーSoo  延世大学, 理学部, 助教授
YU KangーMin  延世大学, 理学部, 副教授
LEE HaーYong  延世大学, 理学部, 教授
Project Period (FY) 1990 – 1992
Project Status Completed (Fiscal Year 1992)
Budget Amount *help
¥5,600,000 (Direct Cost: ¥5,600,000)
Fiscal Year 1992: ¥1,800,000 (Direct Cost: ¥1,800,000)
Fiscal Year 1991: ¥1,900,000 (Direct Cost: ¥1,900,000)
Fiscal Year 1990: ¥1,900,000 (Direct Cost: ¥1,900,000)
KeywordsSouthwest Japan / Korean peninsula / Melange / Granite / Cretaceous / Tertiary / Rb-Sr age / K-Ar age / 韓国 / 朝鮮系 / 平安系 / 白亜紀花崗岩 / タ-ビダイト / 済州島 / 化学組成 / スコリア丘 / 中・古生界 / 沃川帯 / 放散虫 / 陸成〓 / 中新世 / アルカリ玄武岩
Research Abstract

The title of the project is geological correlation of southwest Japan and Korean Peninsula-tectonics for spreading of active continental margin-. Some members of the project visited Yongwol area and examined geologically the Pamuchi melange unit in the Yongwol coal field, and revealed following geologic events ; 1) extensional development of the Late Permian Pamuchi paleo-sea represented by the occurrence of the late Middle to early Late Permian siliceous rocks interbedded with the Lower Permian lagoonal facies limestones, 2) Closure of the Pamuchi basin in Latest Permian to Triassic which resulted to the formation of the Pamuchi melange unit. The latter event coincides significantly to that of the Late Permian Maizuru and Ultra-Tanba Terrains of SW Japan which was investigated in detail on the basis of petrographical data of sandstones. Other members of the project stayed in southeastern part of Korea to do field work for Cretaceous-Miocne igneous and sedimentary rocks. Similar to the granitoid rocks in the San'in Zone, SW Japan, most Cretaceous-Paleogene intrusive rocks in SE Korea are I-type magnetite-series. These rocks show low initial Sr isotope ratios comparable to those in the San'in Belt, SW Japan. Two repesentative plutons show Rb-Sr whole rock isochron ages of 53 and 58 Ma. These data may suggest that the most granitoid rocks in SE Korea are Paleogene in age, and their magmas were derived from similar source materials to those beneath the San'in Belt. Whole rock and hornblende K-Ar age determination revealed that Miocene volcanic rocks have similar ages to those in the San'in district, but the period of the most intensive volcanism was slightly older in SE Korea than in SW Japan. In contrast with San'in district, southwest Japan, volcanism of alkaline rock series initiated in the Cretaceous in SE Korea. This is an important factor to consider magmatic and tectonic evolution of the continental margin accompanied by the opening of Japan Sea.

Report

(3 results)
  • 1992 Final Research Report Summary
  • 1991 Annual Research Report
  • 1990 Annual Research Report
  • Research Products

    (22 results)

All Other

All Publications (22 results)

  • [Publications] Jung,Yill Choi,Kang Min Yu and Takao TOKUOKA: "Significance of volcanogenic sediments in the Nogam Formation of the Pyeongan in Korea." Jour.Geol.Soc.Japan.97. 557-559 (1991)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1992 Final Research Report Summary
  • [Publications] Kang Min Yu,Takao TOKUOKA,Jung Yill Choi,and Hiroaki ISHIDA: "Late Paleozoic-early Mesozoic sandstones of the Maizuru Terrane in southwest Japan with reference to sandstones of the Pyongan Group in south Korea."

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1992 Final Research Report Summary
  • [Publications] Shigeru IIZUMI,Joon Dong Lee and Hiroo KAGAMI: "Regional variation of initial Sr isotope ratios of granitoid rocks in SE Korea"

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1992 Final Research Report Summary
  • [Publications] 高安 克己,Yoon.Sun: "山陰と韓半島南東部の中新統の対比"

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1992 Final Research Report Summary
  • [Publications] Yoshihiro SAWADA,Yoon Sun,Hwang Jin Yeon,Sin Song Chon,Susuma NISHIMURA and Tetsumaru ITAYA: "K-Ar ages and chemical compositions of Cretaceous and Tertiary volcanic rocks in the southeast Korea."

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1992 Final Research Report Summary
  • [Publications] Jung, Yill Choi, Kang Min Yu and Takao Tokuoka: "Significance of volcanogenic sediments in the Nogam Formation of the Pyeongan Group in Korea." Jour.Geol.Soc.Japan.97. 557-559 (1991)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1992 Final Research Report Summary
  • [Publications] Kang Min Yu, Takao Tokuoka, Jung Till Choi, and Hiroaki Ishiga: "Late Paleozoic-early Mesozoic sandstones of the Maizuru Terrane in Southwest Japan with reference to sandstones of the Pyongan Group in south Korea."

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1992 Final Research Report Summary
  • [Publications] Shigeru Iizumi, Joon Dong Lee and Hiroo Kagami: "Regional variation of initial Sr isotope ratios of granitoid rocks in SE Korea"

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1992 Final Research Report Summary
  • [Publications] Katsumi Takayasu and Sun Yoon: "Geologic correlation of Tertiary formations between San'in district, SW Japan and Korean Peninsula."

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1992 Final Research Report Summary
  • [Publications] Yoshihiro Sawada, Yoon Sun, Hwang Jin Yeon, Sin Song Chon, Susuma Nishimura and Tetsumaru ltaya: "K-Ar ages and chemical compositions of Cretaceous and Tertiary volcanic rocks in the southeast Korea."

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1992 Final Research Report Summary
  • [Publications] Choi,J.Y.: "Significance of volcanogenic sediments in the Nogam Formation of the Pyengan Group in Korea" Jour.Geological Soc.Japan. 97. 557-559 (1991)

    • Related Report
      1991 Annual Research Report
  • [Publications] 高安 克己: "山陰地方の中新統層序と古地理" 地質学論集. 37. (1992)

    • Related Report
      1991 Annual Research Report
  • [Publications] 三宅 康幸: "韓国済州島西部の溶岩の層序,化学組成および年代について" 火山.

    • Related Report
      1991 Annual Research Report
  • [Publications] 石賀 裕明: "韓国沃川帯からのペルム紀放散虫の産出" 地質学雑誌.

    • Related Report
      1991 Annual Research Report
  • [Publications] 飯泉 滋: "韓国慶州東方に分布するSタイプ花崗岩の岩石化学" 地質学雑誌.

    • Related Report
      1991 Annual Research Report
  • [Publications] 徳岡 隆夫: "韓国緑岩統(トリアス紀)の再検討" 地質学雑誌.

    • Related Report
      1991 Annual Research Report
  • [Publications] 沢田 順弘: "琵琶湖南部後期白亜紀巨大環状岩体" 地質学雑誌.

    • Related Report
      1990 Annual Research Report
  • [Publications] Yoshiro Sawada: "SrーNd isotopes systematics on Cretaceous to Neogene igneous rocks from San'in province,Southwest JapanーReconstruction of Lithosphereー"

    • Related Report
      1990 Annual Research Report
  • [Publications] 飯泉 滋: "領家帯塩基性岩類の成因" 月刊地球. 12. 424-429 (1990)

    • Related Report
      1990 Annual Research Report
  • [Publications] 高安 克己: "山陰地域とコリア半島東岸の中新統の比較"

    • Related Report
      1990 Annual Research Report
  • [Publications] Shigeru lizumi: "Mesozoic and Cenozoicigneous activities in Southwest Japan and korea."

    • Related Report
      1990 Annual Research Report
  • [Publications] Choi,JungーYill: "Significance of volcanoljenic sediments in the Nogam Formation of the Pyongan Group in korea(south)" 地質学雑誌. 97. (1991)

    • Related Report
      1990 Annual Research Report

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Published: 1990-04-01   Modified: 2016-04-21  

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