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Study on Paleomagnetism and Plate Tectonics of Indian Plate

Research Project

Project/Area Number 04041051
Research Category

Grant-in-Aid for international Scientific Research

Allocation TypeSingle-year Grants
SectionField Research
Research InstitutionToyama University

Principal Investigator

HIROOKA Kimio  Professor, Faculty of Science, Toyama University, 理学部, 教授 (30029467)

Co-Investigator(Kenkyū-buntansha) TIKU F.  Director, International Wing, Geological Survey of India, Calutta, 国際部, 部長
VENKATA RAO K.  Geophsicist, Geological Survey of India, Nagpur, ナグプール支局, 主任研究員
TAKIGAMI Yutaka  Assistant Professor, Faculty of Jurisprudence, Kanto Gakuen University, 法学部, 助教授 (40206909)
SAKAI Hideo  Assistant Professor, Faculty of Science Toyama University, 理学部, 助教授 (30134993)
FUNAKI Minoru  Research Associate, National Institute of Polar Research, 資料系, 助手 (10132713)
SAKAI Harutaka  Assistant Professor, Faculty of Liveral Arts, Kyushu University, 教養部, 助教授 (90183045)
KINOSHITA Hajimu  Professor, Earthquake Research Institute Tokyo University, 地震研究所, 教授 (10110347)
K S Murty  インド地質研究所, カルカッタ所長, 所長
Project Period (FY) 1992 – 1993
Project Status Completed (Fiscal Year 1993)
Budget Amount *help
¥10,500,000 (Direct Cost: ¥10,500,000)
Fiscal Year 1993: ¥7,000,000 (Direct Cost: ¥7,000,000)
Fiscal Year 1992: ¥3,500,000 (Direct Cost: ¥3,500,000)
KeywordsGondwana super-continent / Mahanadi Graben / Godavari Graben / Cretaceous Rajimahal trap basalt / Archaean dike / Archaean charnokite / ゴンドワナ大陸 / 古地磁気学 / 年代学 / ラジマール・トラップ
Research Abstract

The aim of this survey is to clarify the paleogeographic position of the Indian subcontinent in the Gondwana super-continent, especially relative position to the Antarctica, and to trace its change of the position with time by the paleomagnetic studies of the eastern regions of the Indian Peninsula along the coast of the Bengal Bay.
As a reconnaissance survey, the paleomagnetic and geophysical rock samples were obtained from various rock formations in the region of the Godavari and the Mahanadi Grabens in 1991. The preliminary paleomagnetic measurements of the samples show that most of the rocks of old ages such as Archean and Proterozoic have very complex multiple remanent components. So that, the paleomagnetic samplings were concentrated to the rocks of the trap basalt and the Gondwana sediments of the Paleozoic and Mesozoic in 1992 and 1993. Rock samples were collected from 35 sites in 1992 and from 24 sites in 1993 in the regions of Rajimahal hills, the Mahanadi Graben, the Godavari Graben and the Tamil-Nadu.
Although the paleomagnetic and age dating studies are still on going, we got some preliminary results. 6 ages are determined by the Ar-Ar method. The ages obtained are 574 Ma for the Archean dike of Site 21, 520 Ma for the lower Proterozoic khondalite of Site 34, 510-520 Ma for the Proterozoic dolerite dike of Site 0, and 510 Ma for the Proterozoic gneissose granite of Site 1 in the Godavari graben, and 560 and 680 Ma for the Archean granitic gneiss of Site 38 and 59, in the Mahanadi Graben. And 6 reliable paleomagnetic remanent directions are obtained from the Archean granitic gneiss of Site 38, the Archean charnokite of Site 39, the Proterozoic dolerite dike of Site 0, and the Cretaceous Rajmahl trap basalt flows of Sites 80, 82 and 101.

Report

(2 results)
  • 1993 Final Research Report Summary
  • 1992 Annual Research Report
  • Research Products

    (31 results)

All Other

All Publications (31 results)

  • [Publications] Hirooka,K.: "Paleomagnetic evidence of the deformation of Japan and its paleogeography during the Neogene." “Pacific Neogene:Environment,Evolution and Events",Tsuchi,R.and Ingle,J.C.(ed)The University of Tokyo Press,Tokyo. 153-158 (1992)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1993 Final Research Report Summary
  • [Publications] 広岡公夫: "道東、北部地域の第三系の古地磁気" 月刊地球. 186-190 (1994)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1993 Final Research Report Summary
  • [Publications] Hirooka,K.: "Palaeomagnetic studies of Mahanadi and Godavari Grabens" Absrtacts of 9th International Gondwana Symposium. 128 (1994)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1993 Final Research Report Summary
  • [Publications] Funaki,M.: "The S pole distribution on magnetic grains in pyroxenite determined by magnetotactic bacteria." Physics Earth and Planet.Interiors. 70. 253-260 (1992)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1993 Final Research Report Summary
  • [Publications] Yoshida,M.: "Proterozoic to Mesozoic East Gondwana:The juxtaposition of India,Sri Lanka,and Antarctica." Tectonics. 11. 381-391 (1992)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1993 Final Research Report Summary
  • [Publications] Nakai,M.: "The magnetic anisotropy of the gneissose rocks from Skarvsnes area,East Antarctica." Proceedings of the NIPR symposium on Antarctic Geosciences. 4. 37-46 (1993)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1993 Final Research Report Summary
  • [Publications] Funaki,M.: "Paleoposition of Sri Lanka in Gondwana estimated by paleomagnetic method" Absrtacts of 9th International Gondwana Symposium. 135-136 (1994)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1993 Final Research Report Summary
  • [Publications] 酒井英男: "南極海・南インド洋の海洋底掘削試料から得られた古地磁気" 月刊地球. 6. 149-153 (1992)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1993 Final Research Report Summary
  • [Publications] Sakai,H.: "Isotope ages of Aulis alkaline volcanic rocks of the Nepar Lesser Himalaya" Bulletin of the Dept.of Geology,Tribhuran University. 2. 24-40 (1992)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1993 Final Research Report Summary
  • [Publications] Sakai,H.: "Armored Mudball from the foothill of the Shwaradi Hill,Lesser Himaraya" Bulletin of the Dept.of Geology,Tribhuran University. 2. 41-53 (1992)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1993 Final Research Report Summary
  • [Publications] Takigami,Y.: "^<40>Ar-^<39>Ar and K-Ar ages for ignerous and metamorphic rocks from Sor Rondane Mountaines,East Antarctica" Proc.NIPR Symp.Antarct.Geosci.5. 122-135 (1992)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1993 Final Research Report Summary
  • [Publications] Takigami,Y.: "^<40>Ar-^<39>Ar geochronological studies on some paleomagnetic samples of East Antarctica." In Recent Progress in Antarctic Earth Science ed.Yoshida,Y.,et al.Terra Scientific Publ.Comp.61-66 (1992)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1993 Final Research Report Summary
  • [Publications] 瀧上豊: "レーザー加熱による^<40>Ar-^<39>Ar年代測定法" 関東学園大学紀要. 89-99 (1994)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1993 Final Research Report Summary
  • [Publications] Hirooka,K.: "Paleomagnetic evidence of the deformation of Japan and its paleogeography during the Neogene." "Pacific Neogene : Environment, Evolution and Events", Tsuchi,R. and Ingle,J.C.(ed) The University of Tokyo Press, Tokyo. 153-158 (1992)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1993 Final Research Report Summary
  • [Publications] Hirooka,K.: "Paleomagnetism of Tertiary strata from east and north Hokkaido" Monthly Earth. 186-190 (1994)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1993 Final Research Report Summary
  • [Publications] Hirooka,K.: "Palaeomagnetic studies of Mahanadi and Godavari Grabens" Abstracts of 9th International Gondwana Symposium. 128 (1994)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1993 Final Research Report Summary
  • [Publications] Funaki,M.: "The S pole distribution on magnetic grains in pyroxenite determined by magnetotactic bacteria." Physics Earth and Planet. Interiors. 70. 253-260 (1992)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1993 Final Research Report Summary
  • [Publications] Yoshida,M.: "Proterozoic to Mesozoic East Gondwana : The juxtaposition of India, Sri Lanka, and Antarctica." Tectonics. 11. 381-391 (1992)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1993 Final Research Report Summary
  • [Publications] Nakai,M.: "The magnetic anisotropy of the gneissose rocks from Skarvsnes area, East Antarctica." Proceedings of the NIPR symposium on Antarctic Geosciences. 4. 37-46 (1993)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1993 Final Research Report Summary
  • [Publications] Funaki,M.: "Paleoposition of Sri Lanka in Gondwana estimated by paleomagnetic method" Absrtacts of 9th International Gondwana Symposium. 135-136 (1994)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1993 Final Research Report Summary
  • [Publications] Sakai,H.: "Paleomagnetism of drilled cores from Antarctic sea and southern Indian sea" Monthly Earth. 6. 149-153 (1992)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1993 Final Research Report Summary
  • [Publications] Sakai,H.: "Isotope ages of Aulis alkaline volcanic rocks of the Nepal Lesser Himalaya" Bulletin of the Dept. of Geology, Tribhuran University. 2. 24-40 (1992)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1993 Final Research Report Summary
  • [Publications] Sakai,H.: "Armored Mudball from the foothill of the Shwaradi Hill, Lesser Himaraya" Bulletin of the Dept. of Geology, Tribhuran University. 2. 41-53 (1992)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1993 Final Research Report Summary
  • [Publications] Takigami,Y.: "^<40>Ar-^<39>Ar and K-Ar ages for igneous and metamorphic rocks from Sor Rondane Mountaines, East Antarctica" Proc. NIPR Symp. Antarct. Geosci.5. 122-135 (1992)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1993 Final Research Report Summary
  • [Publications] Takigami,Y.: "^<40>Ar-^<39>Ar geochronological studies on some paleomagnetic samples of East Antarctica." In Recent Progress in Antarctic Earth Science ed. Yoshida,Y., et al. Terra Scientific Publ. Comp.61-66 (1992)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1993 Final Research Report Summary
  • [Publications] Takigami,Y.: "^<40>Ar-^<39>Ar dating method with Razer heating technique" Proceedings of Kanto-Gakuen University. 89-99 (1994)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1993 Final Research Report Summary
  • [Publications] HIROOKA,K.: "Paleomagnetic evidence of the deformation of Japan and its paleogeography during the Neogene" ¨Pacific Neogene:Environment,Evolution and Events¨,Edited by R.Tsuchi and J.C.Ingle Jr.University of Tokyo Press,Tokyo. 151-156 (1992)

    • Related Report
      1992 Annual Research Report
  • [Publications] FUNAKI,M.: "Paleomagnetic and 40Ar/39Ar dating studies of the Mawson Charnokite and some rocks from the Christensen Coast," Recent Progress in Antarctic Earth Science.ed.Y.Yoshida,K.Kaminuma and K.Shiraishi. 191-201 (1992)

    • Related Report
      1992 Annual Research Report
  • [Publications] YOSHIDA,M.: "Proterozoic to Mesozoic east Gondwana:The juxtaposition of Indie,Sri Lanka,and Antarctica." Tectonics. 11. 381-391 (1992)

    • Related Report
      1992 Annual Research Report
  • [Publications] FUNAKI,M.: "The S pole distribution on magnetic grains in pyroxenite determined by magnetotactic bacteria." Phys.Earth Planet.Int.70. 253-260 (1992)

    • Related Report
      1992 Annual Research Report
  • [Publications] FUNAKI,M.: "Temperature dependence of coercivity for chondrites:Allende,ALH-769,and Nuevo Mercurio." Proceedings of the NIPR Symposium on Antarctic Meteorites. 4. (1992)

    • Related Report
      1992 Annual Research Report

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Published: 1992-04-01   Modified: 2016-04-21  

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