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Study on the Tectonics and Sedimentation of the Arc-arc Collision Type sedimentary Basins

Research Project

Project/Area Number 07454118
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section一般
Research Field Geology
Research InstitutionIbaraki University

Principal Investigator

AMANO Kazuo  Ibaraki Univ, ; Dept.of Science ; Professor, 理学部, 教授 (00125791)

Project Period (FY) 1995 – 1997
Project Status Completed (Fiscal Year 1997)
Budget Amount *help
¥1,700,000 (Direct Cost: ¥1,700,000)
Fiscal Year 1997: ¥800,000 (Direct Cost: ¥800,000)
Fiscal Year 1996: ¥900,000 (Direct Cost: ¥900,000)
KeywordsSouth Fossa Magna / tectonics / collision / sedimentation / island arc / backarc / 堆積盆 / 島弧システム / プレートテクトニクス / フィリピン海プレート / 火山弧 / ハイアロクラスタイト / 枕状溶岩
Research Abstract

The south Fossa Magna is well known as a zone consisting of islands which belonged to the paleo-Izu-Bonin arc and collided and accreted to the Honshu arc due to the movement of the Philippine Sea plate in a north-west direction. There were four times after 15Ma. The purpose of this study is to clarify the relationship between multiple collision tectonics and sedimentation in the South Fossa Magna. The results are summarized as follows.
(1) The trough-fill sediments related to the collision of the Tanzawa block are mainly composed of turbidite and debrite. They show a trend of change of clast type and upward coarsening sequences reflecting the upheaval movement of the hinterland according to the collision of the Tanzawa block.
(2) The geological features of the Misaka block (second collision) was not well understood. Sedimentological studies clarified that the Misaka block constitutes a set of forearc, volcanic arc and backarc rift zone.
(3) The Kushigatayama block that was thought to be the first collided massif in the South Fossa Magna is mainly composed of re-sedimented hyaloclastite and mass flow deposits. These facts show that the Kushigatayama block must have been a forearc or backarc region.
(4) some of the dykes older than 2Ma, distributed in the area to the north of the Tonoki-Aikawa tectonic line, rotated clockwise about 34 degrees based on paleo-magnetic studies. This indicates that part of the Honshu arc rotated clockwise accompanied by the blocks.

Report

(4 results)
  • 1997 Annual Research Report   Final Research Report Summary
  • 1996 Annual Research Report
  • 1995 Annual Research Report
  • Research Products

    (28 results)

All Other

All Publications (28 results)

  • [Publications] 天野 一男: "南部フォッサマグナ・島弧-島弧衝突帯における水底火山" 地質学論集. 44. 93-100 (1995)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] 天野 一男: "堆積盆のテクトニクス" 地球. 17. 625-631 (1995)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] 金栗 聡: "南部フォッサマグナ富士川谷南東部に分布する富士川層群の地質とナンノ化石層序" 地質学雑誌. 101. 162-178 (1995)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] 天野 一男: "島弧と島弧の衝突帯-南部フォッサマグナ" 理科教室. 39-11. 6-18 (1996)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] 天野 一男: "地域地質考" 地質学論集. 49. 1-7 (1998)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] Amano, K.: "Acareted back-arc rift in active arc-arc collisionzone in central Japan" Abst.30th International Geol.Congress. 1. 229- (1996)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] 天野 一男(編著): "新版地学事典" 平凡社, 1443p (1996)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] Amano, K.: "Subaqueous volcanoes in an arc-arc collision zone in the south Fossa Magna, central Japan-An example Misaka Block." Mem.Geol.Soc.Japan.44. 93-100 (1995)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] Amano, K.: "Formation and tectonics of sedimentary basins." Earth Monthly. 17. 625-631 (1995)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] Kanaguri, S.: "Geology and nannofossil biostratigraphy of Fujikawa Group in southeastern part of Fujikawa valley, south Fossa Magna, central Japan." Jour.Geol.Soc.Japan. 101. 162-178 (1995)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] Amano, K.: "Arc-arc collision zone-South Fossa Magna." Jour.Sci.Education. 39. 6-18 (1996)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] Amano, K.: "Reconsideration of regional geology-for the study of geology with real evidence and effective education." Mem.Geol.Soc.Japan. 49. 1-7 (1998)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] Amano, K.: "Accreted back-arc rift in active arc-arc collision zone in central Japan." Abs.30th Internat.Geol.Cong.1. 229 (1996)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1997 Final Research Report Summary
  • [Publications] 天野一男: "南部フォッサマグナ・島弧-島弧衝突帯における水底火山" 地質学論集. 44. 93-100 (1995)

    • Related Report
      1997 Annual Research Report
  • [Publications] 天野一男: "堆積盆のテクトニクス" 地球. 17. 625-631 (1995)

    • Related Report
      1997 Annual Research Report
  • [Publications] 金栗聡: "南部フォッサマグナ富士川谷南部に分布する富士川層群の地質とナンノ化石層壁" 地質学雑誌. 101. 162-178 (1995)

    • Related Report
      1997 Annual Research Report
  • [Publications] 天野一男: "島弧と島弧の衝突帯-南部フォッサマグナ" 理科教室. 39-11. 6-18 (1996)

    • Related Report
      1997 Annual Research Report
  • [Publications] 天野一男: "地域地質考" 地質学論集. 49. 1-7 (1998)

    • Related Report
      1997 Annual Research Report
  • [Publications] Amano,K.: "Accreted back-arc rift in active arc-arc collision zone in central Japan" Abst.30th International Geological Congress. 1. 229 (1996)

    • Related Report
      1997 Annual Research Report
  • [Publications] 天野一男(編著): "新版地学事典" 平凡社, 1443 (1996)

    • Related Report
      1997 Annual Research Report
  • [Publications] 天野一男: "南部フォッサマグナ・島弧-島弧衝突帯における水底火山" 地質学論集. 44. 93-100 (1995)

    • Related Report
      1996 Annual Research Report
  • [Publications] 天野一男: "堆積盆のテクトニクス" 月刊地球. 17. 625-631 (1995)

    • Related Report
      1996 Annual Research Report
  • [Publications] 金栗聡: "南部フォッサマグナ富士川谷南東部に分布する富士川層群の地質とナンノ化石層房" 地質学雑誌. 101. 162-178 (1995)

    • Related Report
      1996 Annual Research Report
  • [Publications] 天野一男: "島弧と島弧の衝突帯-南部フォッサマグナ" 理科教室. 39-11. 6-18 (1996)

    • Related Report
      1996 Annual Research Report
  • [Publications] 地学団体研究会: "地学事典" 平凡社, 1443 (199)

    • Related Report
      1996 Annual Research Report
  • [Publications] 天野一男: "南部フォッサマグナ・島弧-島弧衝突帯における水底火山(御坂地塊の例)" 地質学論集. 44. 93-100 (1995)

    • Related Report
      1995 Annual Research Report
  • [Publications] 天野一男: "堆積盆の形成とテクトニクス" 月刊地球. 17. 625-631 (1995)

    • Related Report
      1995 Annual Research Report
  • [Publications] 金栗聡: "南部フォッサマグナ富士川谷南東部に分布する富士川層群の地質とナンノ化石層序" 地質学雑誌. 101. 162-178 (1995)

    • Related Report
      1995 Annual Research Report

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Published: 1996-04-01   Modified: 2016-04-21  

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