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RECONSTRUCTION OF A GEOTECTONIC FRAMEWORK OF EASTERN ASIA BEFORE THE OPENING OF THE JAPAN SEA

Research Project

Project/Area Number 13573008
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section海外学術
Research Field Geology
Research InstitutionTOHOKU UNIVERSITY

Principal Investigator

EHIRO Masayuki  The Tohoku University Museum; Professor, 総合学術博物館, 教授 (10124554)

Co-Investigator(Kenkyū-buntansha) YAMAKITA Satoshi  Faculty of Education and Culture, Miyazaki University; Associate Professor, 教育文化学部, 助教授 (80210342)
KOJIMA Satoru  Faculty of Technology, Gifu University; Professor, 工学部, 教授 (20170243)
ITO Tanio  Faculty of Sciences, Chiba University; Professor, 理学部, 教授 (50111448)
UZUKI Noritoshi  Graduate School of Sciences, Tohoku University; Research Assistant, 大学院・理学研究科, 助手 (60312542)
OTOH Shigeru  Faculty of Sciences, Toyama University; Associate Professor, 理学部, 助教授 (60194221)
Project Period (FY) 2001 – 2002
Project Status Completed (Fiscal Year 2002)
Budget Amount *help
¥7,700,000 (Direct Cost: ¥7,700,000)
Fiscal Year 2002: ¥3,700,000 (Direct Cost: ¥3,700,000)
Fiscal Year 2001: ¥4,000,000 (Direct Cost: ¥4,000,000)
KeywordsFar East Russia / Spassk Belt / Samarka Belt / Khabarovsk Belt / Badzhal Belt / Inner Zone of Southwest Japan / Jurassic accretionary complex / Opening of Japan Sea / シホテアリン山地 / ハバロフスク帯 / ロシア / タウハ帯 / ズラブレフカ帯 / スパスク帯
Research Abstract

Geological investigation in the Spassk, Samarka, Khabarovsk and Badzhal Belts of Sikhote-Alin, Far East Russia was carried out to correlate the tectonic belts of Far East Russia with those of Japan and to reconstruct a geotectonic framework of eastern Asia before the opening of the Japan Sea.
The field observation of the deformed Cambrian rocks in the Spassk Belt revealed that so-called melange is not a melange but a deformed conglomerate.
The Samarka Belt, which has been correlated with the Tamba-Mino Belt of Inner Zone of Southwest Japan, comprises mainly the Jurassic accretionary complexes, but also includes ophiolites and Permian clastic rocks, each of which is correlatable respectively with the Paleozoic Maizuru Belt and Ultra-Tamba Belt of Southwest Japan. We newly found out a radiolarian fauna belonging to the Pseudoalbaillella globosa fauna of the Late Permian from the mudstone of the Sebchar Formation, probably correlated with the clastic rocks of the Ultra-Tamba Belt.
From the Khabarovsk Belt, Middle Permian fusulinoidean-bearing limestone blocks and Permian radiolarian-bearing chert were corrected. The Badzhal Belt in the Amursk district includes off-shore limestone with Triassic conodont, Buchia-bearing sandy mudstone and terrigenous mudstone with Triassic conodont-bearing calcareous nodular lenses. The last calcareous lenses of Triassic age are very interesting, because it indicates a existence of older continent in the Badzal Belt, which has been thought to be composed of Jurassic accretionary complexes.
The Badzhal Belt in the upper Cool Basin comprises mudstone with siliceous tuff and sandstone, mixed rocks with chert blocks, and red and gray colored chert slabs yielding Triassic conodont. They are probably constituents of Jurassic accretionary complexes, but detailed construction for these rocks is still pending, because the corrected samples from the Badzal Belt are under examination.

Report

(3 results)
  • 2002 Annual Research Report   Final Research Report Summary
  • 2001 Annual Research Report
  • Research Products

    (17 results)

All Other

All Publications (17 results)

  • [Publications] 小嶋 智, 山北 聡, 大藤茂, 永広昌之: "ロシア沿海州の中古生界-日本海拡大前の東アジアの地質を探る-"古生物学トピックス. No.2. 87-94 (2001)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] 永広昌之, 野木大志, 森 啓, 川島悟一, 鈴木紀毅, 吉原賢: "北部北上山地,葛巻-釜石帯の石灰岩礫岩より六放サンゴ化石の産出とその意義"地質学雑誌. v.107. 531-534 (2001)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] Kemkin, I.V., Kametaka, M., Kojima, S.: "Faunal evidence of successive accretion of the Taukha terrane paleooceanic fragments (Southern Sikhote-Alin)"Tikhookeanskaya Geologiya. v.20. 72-84 (2001)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] 吉原 賢, 鈴木紀毅, 永広昌之: "北部北上山地,葛巻-釜石帯のマンガンノジュールから中期ジュラ紀放散虫化石の発見とその意義"地質学雑誌. v.107. 536-539 (2002)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] Suzuki, N., Akiba, N., Kano, H.: "Late Olenekian radiolarians from bedded chert of the Ashio Terrane, northeast Japan, and faunal turnovers in western Panthalassa during Early Triassic"Journal of China University of Geosciences. V.13. 124-140 (2002)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] Ehiro, M.: "A time-gap at the Permian-Triassic boundary in the South Kitakami Belt, Northeast Japan : An examination based on the ammonoid fossils"Saito Ho-on Kai Mus.Nat.Hist., Res.Bull.. No.68. 1-12 (2002)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] Kojima, S., Yamakita, S., Otoh, S. and Ehiro, M.: "Paleozoic and Mesozoic of the Sikhote-Alin, Far East Russia: To reconstruct a tectonic framework of eastern Asia before the opening of the Japan Sea"Topics in Paleont.. no. 2. 87-94 (2001)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] Ehiro, M., Nogi, D., Mori, K., Kawashima, G., Suzuki, N. and Yoshihara, K.: "Discovery of hexa corals from the limestone conglomerate of the Kuzumaki-Kamaishi Belt, Northern Kitakami Massif, Northeast Japan"Jour. Geol. Soc. Japan. 107. 531-534 (2001)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] Kemkin, I.V., Kametaka, M. and Kojima, S.: "Faunal evidence of successive accretion of the Taukha terrane paleooceanic fragments (Southern Sikhote-Alin)"Tikhookeanskaya Geologiya. 20. 72-84 (2001)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] Yoshihara, K, Suzuki, N. and Ehiro, M.: "Discovery of Middle Jurassic radiolarians from manganese nodules in the Kuzumaki-Kamaishi Belt, Northern Kitakami Massif, Northeast Japan and its significance"Jour. Geol. Soc. Japan. 107. 536-539 (2002)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] Suzuki, N., Akiba, N. and Kano, H.: "Late Olenekian radiolarians from bedded chert of the Ashio Terrane, northeast Japan, and faunal turnovers in western Pauthalassa during Early Triassic"Jour. China Univ. Geosciences. 13. 124-140 (2002)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] Ehiro, M.: "A time-gap at the Permian-Triassic boundary in thc South Kitakami Belt, Northeast Japan: An examination based on the ammonoid fossils"Saito Ho-on Kai Mus. Nat. Hist., Res. Bull.. no. 68. 1-12 (2002)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2002 Final Research Report Summary
  • [Publications] 吉原 賢, 鈴木紀毅, 永広昌之: "北部北上山地,葛巻-釜石帯のマンガンノジュールから中期ジュラ紀放散虫化石の発見とその意義"地質学雑誌. v.107. 536-539 (2002)

    • Related Report
      2002 Annual Research Report
  • [Publications] Suzuki, N., Akiba, N.Kano, H.: "Late Olenekian radiolarians from bedded chert of the Ashio Terrane, northeast Japan, and faunal turnovers in western Panthalassa during Early Triassic"Jour. China Univ. Geosci.. v.13. 124-140 (2002)

    • Related Report
      2002 Annual Research Report
  • [Publications] Ehiro, M.: "A time-gap at the Permian-Triassic boundary in the South Kitakami Belt, Northeast Japan : An examination based on the ammonoid fossils"Saito Ho-on Kai Mus. Nat. Hist., Res. Bull.. no.68. 1-12 (2002)

    • Related Report
      2002 Annual Research Report
  • [Publications] 小嶋 智, 山北 聡, 大藤 茂, 永広昌之: "ロシア沿海州の中古生界-日本海拡大前の東アジアの地質を探る-"古生物学トピックス. No.2. 87-94 (2001)

    • Related Report
      2001 Annual Research Report
  • [Publications] Ehiro, M.: "Permian-Triassic succession of epicontinental shelf facies and the time gap at the Permian/Triassic boundary in the South Kitakami Belt, Northeast Japan"Proc. Int. Symp. Global Stratotype P-T Boundary Paleoz. -Mesoz. Events. 41-44 (2001)

    • Related Report
      2001 Annual Research Report

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Published: 2001-04-01   Modified: 2016-04-21  

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