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Study on paleogeothermal condition in tectonic development of kyushu based on degree of diagenetic to metamorphic alteration of solid organic matter in the sediments

Research Project

Project/Area Number 60470051
Research Category

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

Allocation TypeSingle-year Grants
Research Field 地質学一般
Research InstitutionKyushu University

Principal Investigator

AIHARA Atsuo  Kyushu University, Department of geology, Faculty of Science, Professor, 理学部, 教授 (80037291)

Co-Investigator(Kenkyū-buntansha) NISHIYAMA Tadao  Kyushu University, Department of geology, Faculty of Science, Assistant, 理学部, 助手 (10156127)
NAKADA Setsuya  Kyushu University, Department of geology, Faculty of Science, Assistant, 理学部, 助手 (60128056)
SHIMADA Nobutaka  Kyushu University, Department of geology, Faculty of Science, Associate Professo, 理学部, 助教授 (00037235)
OGAWA Yujiro  Kyushu University, Department of geology, Faculty of Science, Associate Professo, 理学部, 助教授 (20060064)
AOKI Kazuyoshi  Kyushu University, Department of geology, Faculty of Science, Associate Professo, 理学部, 助教授 (00037277)
坂井 卓  九州大学, 理学部, 助手 (70128023)
Project Period (FY) 1985 – 1987
Project Status Completed (Fiscal Year 1987)
Budget Amount *help
¥5,800,000 (Direct Cost: ¥5,800,000)
Fiscal Year 1987: ¥400,000 (Direct Cost: ¥400,000)
Fiscal Year 1986: ¥800,000 (Direct Cost: ¥800,000)
Fiscal Year 1985: ¥4,600,000 (Direct Cost: ¥4,600,000)
KeywordsOrganic Metamorphism / Coalified Organic Matter / Vitrinitr Reflectance / Paleogeothermometry / Diagenesis / Burial Metamorphism / Thermal History / 続成・変成作用 / 被熱履歴 / 九州地方構造発達史
Research Abstract

The degree of diagenetic to successive various level of metamorphic stages of various geologial sequences in Kyushu are analyzed by the rank of coalification of organic matters in the sediments. Vitrinite reflectance is designated as the rank parameter, of which optical ansotropy is studied for the higher level of alteration. The reflectance values are correlated to the authigenic zeolite facies and metamorphic mineral facies, and also to X-ray analytical data of graphitized coaly matter.
The measured data of vitrinite reflectance of dispersed coalified matter from various geological sequences ofvarious sedimentary units have revealed various paleogeothermal pattern in Kyushu. Higher paleogeothermal gradient is found many localities within the Tertiary basins in the inner zone. The thermal effect originated from igneous activitty is more evident and frequent at the northwestern side of the inner zone. In the outer zone, especially in Shimanto Terrain, pre- to syn-kinematic organic metamorphism is identified in Morotuka and Hyuga Groups. Post- kinematic thermal effect is observed in huge olistoliths of Nichinan Group though the effect did not reach to unconformably covered Miyazaki Group. The geological structure of pre-Tertiary Groups is so complicated that it will require further investigation to analyze the more accurate thermal history of Kyushu mountain region, though there are not so abundant dispersed coaly matters in the sediments that suggest various patterns of local thermal effect based on present data.

Report

(2 results)
  • 1987 Final Research Report Summary
  • 1986 Annual Research Report
  • Research Products

    (18 results)

All Other

All Publications (18 results)

  • [Publications] 相原安津夫: 九州大学理学部研究報告地質学. 15. 103-118 (1987)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1987 Final Research Report Summary
  • [Publications] 相原安津夫: 九州大学理学部研究報告地質学. 15. 119-129 (1987)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1987 Final Research Report Summary
  • [Publications] 相原安津夫: 堆積学研究会報. 27. 3-15 (1987)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1987 Final Research Report Summary
  • [Publications] 相原安津夫: 石油鉱床学の諸問題(田口一雄教授退官記念論集). 37-46 (1987)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1987 Final Research Report Summary
  • [Publications] Y. Itihara: Journal of Geosciences Osaka University. 30. 15-22 (1987)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1987 Final Research Report Summary
  • [Publications] A. Aihara: 11th International Congress of Carboniferous Stratigraphy and Geolgy, Abstract I,. 1. 236-237 (1987)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1987 Final Research Report Summary
  • [Publications] 水谷伸治郎 編: "日本の堆積岩 6,有機質堆積岩(189-216)" 岩波書店, 226 (1987)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1987 Final Research Report Summary
  • [Publications] 相原安津夫: "石炭ものがたり" 青木書店, 182 (1987)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1987 Final Research Report Summary
  • [Publications] A. Aihara: "Diagenetic and burial thermal alterations of the Tertiary System analyzed by coalification study in north Kyushu, Japan" Science Reports of Department of Geology, Kyushu University. 15. 103-118 (1987)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1987 Final Research Report Summary
  • [Publications] A. Aihara: "Preliminary geological study on optical anisotropy of coaly organic matter in sediments of late diagenetic (middle catagenetic) to low metamorphic stages" Science reports of Department of Geology, Kyushu University. 15. 119-129 (1987)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1987 Final Research Report Summary
  • [Publications] A. Aihara: "Sedimentological subjects of organic matter in sedimentary rocks" Journal of Sedimentological Sosiety, Japan. 27. 3-15 (1987)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1987 Final Research Report Summary
  • [Publications] A. Aihara: "Contribution of coal petrology to petroleum geology" Commemoration volume dedicated to Prof. K. Taguchi. Special. 37-46 (1986)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1987 Final Research Report Summary
  • [Publications] Y. Itihara: "Organic carbon and incoluble nitrogen of Precanbrian rocks in Canada" Journal of Geosciences, Osaka City University. 30-2. 15-22 (1987)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1987 Final Research Report Summary
  • [Publications] A. Aihara: Aoki Shoten. Story of coal, 182 (1987)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1987 Final Research Report Summary
  • [Publications] 相原安津夫: 九州大学理学研究報告(地質学). 15巻. (1987)

    • Related Report
      1986 Annual Research Report
  • [Publications] 相原安津夫: 九州大学理学部研究報告(地質学). 15巻1号. (1987)

    • Related Report
      1986 Annual Research Report
  • [Publications] 相原安津夫: 日本地質学会年図学術講演会要旨. (1987)

    • Related Report
      1986 Annual Research Report
  • [Publications] AIHARA,A: Abstract of the 2.3rd IASPEL Generol Assembly. 2. 311 (1985)

    • Related Report
      1986 Annual Research Report

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Published: 1987-03-31   Modified: 2016-04-21  

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