北黄海浅层声学地层

陈晓辉; 李日辉; 徐晓达

doi:10.3724/SP.J.1140.2011.03017

北黄海浅层声学地层

1 中国科学院海洋研究所, 海洋地质与环境重点实验室, 青岛 266071;
2 国土资源部海洋油气资源与环境地质重点实验室, 青岛海洋地质研究所, 青岛 266071;
3 中国科学院研究生院, 北京 100049

基金项目:

国家海洋公益性行业科研专项(201005005)

国土资源部海洋区域地质调查项目(GZH200800501)

详细信息

作者简介:
陈晓辉(1981-),男,助理研究员,主要从事海洋地质调查研究工作,E-mail:hongzi1982@163.com

中图分类号: P539.1
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出版历程
- 收稿日期: 2010-06-26
- 修回日期: 2010-08-25

SHALLOW SEISMIC RECORDS AND LATE PLEISTOCENE STRATIGRAPHY OF THE NORTH YELLOW SEA

1 Key Laboratory of Marine Geology and Environment, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China;
2 Key Laboratory of Marine Hydrocarbon Resource and Environmental Geology, MLR, Qingdao Institute of Marine Geology, Qingdao 266071;
3 Graduate School, Chinese Academy of Sciences, Beijing 100049, China

摘要

摘要: 通过对北黄海高分辨率浅地层剖面的分析解译,划定了具有层序意义的9个声学反射地层单元或亚单元(SU₁¹、SU₁²、SU₁³、SU₂、SU₃、SU₄¹、SU₄²、SU₄³、SU₅)。通过典型声学地层剖面与区内钻孔的沉积地层岩性单元对比,发现依据浅地层剖面进行的声学地层划分与钻孔岩心的沉积地层划分有较好的对应关系,同时得到各声学反射层的沉积时代、岩性及沉积环境。结合区内钻孔的分析结果,划分了3个海进海退沉积层序,确认了SU₁、SU₃、SU₅声学反射地层单元分别对应氧同位素1期、3期、5期的海侵沉积,SU₂、SU₄声学反射地层单元分别对应氧同位素2期、4期的海退沉积。
- 浅地层剖面 /
- 浅层声学地层 /
- 北黄海
Abstract: High resolution shallow seismic profiles were interpreted in this paper for establishing the stratigraphic sequence of the North Yellow Sea. Nine stratigraphic units or sub-units (SU₁¹, SU₁², SU₁³, SU₂, SU₃, SU₄¹, SU₄², SU₄³, SU₅) were recognized based on the seismic data and some cores collected from this region. Results suggest that the stratigraphic units established upon shallow seismics are correlative with the core records obtained from previous studies. There occur three "transgression-regression" cycles. The stratigraphic units of SU₁,SU₃, SU₅ were respectively corresponding to the transgressive deposits formed in the marine isotope stage 1, marine isotope stage 3, and marine isotope stage 5, while the stratigraphic units of SU₂,SU₄ corresponding to the regressive deposits formed during the marine isotope stage 2 and marine isotope stage 4.
- shallow seismic profiles /
- the shallow seismic stratigraphy /
- the north Yellow Sea

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参考文献(15)

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