1988 Fiscal Year Final Research Report Summary
Tectonics and Sedimentation of the Indo-Eurasia colliding Plate-boundary regions in Pakistan
| Project/Area Number |
63043051
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| Research Category |
Grant-in-Aid for Overseas Scientific Research
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| Allocation Type | Single-year Grants |
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| Section | Field Research |
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| Research Institution | Hiroshima University |
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Principal Investigator |
OKIMURA Yuji Hiroshima University, Professor,Dr., 理学部, 教授 (60033825)
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| Co-Investigator(Kenkyū-buntansha) |
HOSHINO Kenichi Hiroshima University, Assistant Researcher, 理学部, 助手 (80190198)
OKAMURA Makoto Kochi University, Lecturer, Dr., 理学部, 講師 (10112385)
OTSUKI Kenshirou Tohoku University, Assistant Researcher, Dr., 理学部, 助手 (70004497)
NAKATA Takashi Hiroshima University, Assistant Professor, Dr., 文学部, 助教授 (60089779)
NAKAMURA Koji Hokkaido University,Professor, Dr., 理学部, 教授 (40000822)
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| Project Period (FY) |
1987 – 1988
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| Keywords | Indo-Eurasian Continents / Colliding / Tectonic Development / Baluchistan / Olistoliths / Ophiolites / 三畳紀放散虫 |
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| Research Abstract |
Three terranes of Baluchistan, Pakistan (western Flysh Zone, Central axial zone and eastern calcareous zone) were studied from tectono-sedimentological development of view. The Flysh Zone characterized with arenaceous turbidite sequence is developed on the Eurasia-Gondwanic plate boundary region. Almost all the current marks show to provide with sediment from north to northwest. The Axial Zone is characterized with the "Alozai Group" consisting of ophiolite-blue schist complex, and Middle - Upper Triassic olistostoromes with granule-huge olistoliths of Permian limestone and Lower Triassic limestone conglomerate, which may be formed in the mediteranean sea area developed between both continents in Triassic age. The Calcareous Zone, which consists mainly of the Jurassic-Cretaceous pelagic limestonemay be an accretionary prism showing a pile nappe structure.
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