辽东湾北部LH01孔晚更新世以来的元素地层

徐元芹, 李萍, 李培英. 辽东湾北部LH01孔晚更新世以来的元素地层[J]. 海洋地质与第四纪地质, 2014, 34(2): 61-68. doi: 10.3724/SP.J.1140.2014.02061
引用本文: 徐元芹, 李萍, 李培英. 辽东湾北部LH01孔晚更新世以来的元素地层[J]. 海洋地质与第四纪地质, 2014, 34(2): 61-68. doi: 10.3724/SP.J.1140.2014.02061
XU Yuanqin, LI Ping, LI Peiying. THE ELEMENT STRATIGRAPHY OF CORE LH01 IN THE NORTH OF LIAODONG BAY SINCE LATE PLEISTOCENE[J]. Marine Geology & Quaternary Geology, 2014, 34(2): 61-68. doi: 10.3724/SP.J.1140.2014.02061
Citation: XU Yuanqin, LI Ping, LI Peiying. THE ELEMENT STRATIGRAPHY OF CORE LH01 IN THE NORTH OF LIAODONG BAY SINCE LATE PLEISTOCENE[J]. Marine Geology & Quaternary Geology, 2014, 34(2): 61-68. doi: 10.3724/SP.J.1140.2014.02061

辽东湾北部LH01孔晚更新世以来的元素地层

  • 基金项目:

    中央级公益科研院所基本研究基金项目——辽东湾北部晚第四纪环境演变与特殊沉积事件研究(2011G16)

详细信息
    作者简介: 徐元芹(1982-),女,博士,主要从事海洋地质研究,E-mail:xuyuanqin03@126.com
  • 中图分类号: P736.4

THE ELEMENT STRATIGRAPHY OF CORE LH01 IN THE NORTH OF LIAODONG BAY SINCE LATE PLEISTOCENE

  • 在辽东湾北部的LH01孔岩心进行高分辨率取样的基础上,测定了沉积物中的14个地球化学指标。通过对各元素与Al2O3含量的比值、特征元素比值在岩心中的垂向变化规律的分析,结合粒度、测年和R型因子分析方法,可将岩心至上而下划分为4层,分别反映了4种沉积环境:100~889 cm为全新世河口滨海现代沉积,889~1 330 cm为全新世中期浅海沉积,1 330~1 913 cm为全新世早期海陆交互相沉积,1 913~2 455 cm为晚更新世末期的陆相沉积。化学元素的变化所反映的地层特征与晚更新世以来的气候和海平面变化具有较好的对应关系。
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收稿日期:  2013-01-15
修回日期:  2013-03-09

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