Evolution of the Shikoku Basin.

DOI 被引用文献97件

書誌事項

公開日
1994
DOI
  • 10.5636/jgg.46.463
公開者
地球電磁気・地球惑星圏学会

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説明

The Shikoku Basin is a backarc basin occupying the northern part of the Philippine Sea Plate. The recent Continental Shelf Survey Project of Hydrographic Department, Maritime Safety Agency of Japan reveals interesting features of the basin genesis. High-resolution magnetic data of whole basin and the adjacent region are presented together with the topographic and seismic data. Based on detailed mapping of magnetic anomalies and topography, we propose a scenario of evolution of the Shikoku Basin from 30 Ma to 15 Ma. The history of Shikoku Basin is divided into five stages as follows-rifting, NNW-SSE opening, N-S opening, NW-SE opening, and volcanism and deformation after opening. Some dipole-type anomalies which are not accompanied by any topographic highs are distributed in the vicinity of both sides of the basin. They are considered as the effect of the upwelling of magma during the rifting stage. In addition, we recognize the structures deformed after opening in the northern part of the basin.

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詳細情報 詳細情報について

  • CRID
    1390282681487030784
  • NII論文ID
    130003559239
  • DOI
    10.5636/jgg.46.463
  • ISSN
    21855765
    00221392
    http://id.crossref.org/issn/00221392
    https://id.crossref.org/issn/00221392
  • 本文言語コード
    en
  • データソース種別
    • JaLC
    • Crossref
    • CiNii Articles
  • 抄録ライセンスフラグ
    使用不可

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