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广角反射/折射地震探测揭示的冲绳海槽地壳结构

尚鲁宁 张训华 吴志强 韩波

尚鲁宁, 张训华, 吴志强, 韩波. 广角反射/折射地震探测揭示的冲绳海槽地壳结构[J]. 海洋地质与第四纪地质, 2014, 34(3): 75-84. doi: 10.3724/SP.J.1140.2014.03075
引用本文: 尚鲁宁, 张训华, 吴志强, 韩波. 广角反射/折射地震探测揭示的冲绳海槽地壳结构[J]. 海洋地质与第四纪地质, 2014, 34(3): 75-84. doi: 10.3724/SP.J.1140.2014.03075
SHANG Luning, ZHANG Xunhua, WU Zhiqiang, HAN Bo. CRUSTAL STRUCTURE OF THE OKINAWA TROUGH: EVIDENCE FROM WIDE-ANGLE REFLECTION AND SEISMIC REFRACTION SURVEYS[J]. Marine Geology & Quaternary Geology, 2014, 34(3): 75-84. doi: 10.3724/SP.J.1140.2014.03075
Citation: SHANG Luning, ZHANG Xunhua, WU Zhiqiang, HAN Bo. CRUSTAL STRUCTURE OF THE OKINAWA TROUGH: EVIDENCE FROM WIDE-ANGLE REFLECTION AND SEISMIC REFRACTION SURVEYS[J]. Marine Geology & Quaternary Geology, 2014, 34(3): 75-84. doi: 10.3724/SP.J.1140.2014.03075

广角反射/折射地震探测揭示的冲绳海槽地壳结构


doi: 10.3724/SP.J.1140.2014.03075
详细信息
    作者简介:

    尚鲁宁(1986-),男,博士,主要从事海洋构造地质学研究,E-mail:shang1924@163.com

  • 基金项目:

    国家重点基础研究发展规划项目(2013CB429701);国家自然科学基金项目(41202081,41206050)

  • 中图分类号: P736.1

CRUSTAL STRUCTURE OF THE OKINAWA TROUGH: EVIDENCE FROM WIDE-ANGLE REFLECTION AND SEISMIC REFRACTION SURVEYS

More Information
  • 摘要: 广角反射/折射地震探测是研究冲绳海槽地壳结构与性质的有效方法。通过收集整理冲绳海槽及邻区广角反射/折射地震研究成果,对冲绳海槽地壳结构性质进行了探讨。结果表明,冲绳海槽地壳厚度较薄,绝大部分地区属于减薄的陆壳,但局部已出现洋壳;海槽北、中、南三段处于不同的构造演化阶段,地壳厚度、结构、减薄方式等存在较大差异;琉球俯冲带不同分段活动特征及构造应力场的不同是造成冲绳海槽地壳结构性质和构造演化南北差异的主要原因;冲绳海槽内洋壳局限于海槽中、南段轴部,在轴部地堑沿走向方向布设OBS测线将有助于进一步确定洋壳的存在。
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  • 收稿日期:  2013-07-11
  • 修回日期:  2013-09-19

广角反射/折射地震探测揭示的冲绳海槽地壳结构

doi: 10.3724/SP.J.1140.2014.03075
    作者简介:

    尚鲁宁(1986-),男,博士,主要从事海洋构造地质学研究,E-mail:shang1924@163.com

基金项目:

国家重点基础研究发展规划项目(2013CB429701);国家自然科学基金项目(41202081,41206050)

  • 中图分类号: P736.1

摘要: 广角反射/折射地震探测是研究冲绳海槽地壳结构与性质的有效方法。通过收集整理冲绳海槽及邻区广角反射/折射地震研究成果,对冲绳海槽地壳结构性质进行了探讨。结果表明,冲绳海槽地壳厚度较薄,绝大部分地区属于减薄的陆壳,但局部已出现洋壳;海槽北、中、南三段处于不同的构造演化阶段,地壳厚度、结构、减薄方式等存在较大差异;琉球俯冲带不同分段活动特征及构造应力场的不同是造成冲绳海槽地壳结构性质和构造演化南北差异的主要原因;冲绳海槽内洋壳局限于海槽中、南段轴部,在轴部地堑沿走向方向布设OBS测线将有助于进一步确定洋壳的存在。

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