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南海北部第四系厚度分布图的编制与简要说明
引用本文:任镇寰,杨廉法,李春初,王文介.南海北部第四系厚度分布图的编制与简要说明[J].华南地震,2010,30(3):37-41.
作者姓名:任镇寰  杨廉法  李春初  王文介
作者单位:1. 广东省地震局,广东,广州,510070
2. 中山大学,广东,广州,510275
3. 中科院南海海洋研究所,广东,广州,510301
基金项目:广东省自然科学基金2006B37201010 
摘    要:收集南海北部大量多道地震和钻井资料,编制了该区域首幅第四系厚度分布图。第四系等厚线总体呈NEE向,特别是珠江口外大陆架最明显,莺歌海、琼东南呈NW-EW-NE向弧形,珠江口大陆架南部存在次一级NW向等厚线。第四系等厚线分布形态明显受到断裂构造控制。

关 键 词:活动断裂  第四系等厚线  南海北部  多道地震  钻井

The Drawing and Introduce to the Distribution Map of the Quaternary Thickness in the Northern South China Sea
REN zhenhuan,YANG lianfa,Lichunyong,Wang wenjie.The Drawing and Introduce to the Distribution Map of the Quaternary Thickness in the Northern South China Sea[J].South China Journal of Seismology,2010,30(3):37-41.
Authors:REN zhenhuan  YANG lianfa  Lichunyong  Wang wenjie
Institution:1. Earthquake Administration of Guangdong Province, Guangzhou 510070, China; 2. Zhongshan University, Guangzhou 510275, China; 3.South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou 510301, China)
Abstract:After Collecting numerous multiple-channel seismic data and well data in the northern South China Sea, the paper draws the first distribution map of the quaternary thickness in this area. Basically, the direction of quaternary isopach is in NEE direction, especially for the continental shelf beyond the Pearl River. It shows NW-EW-NE direction for Yinggehai and Qiongdongnan. There is a NW direction isopach on the southern Pearl River Estuary. The distribution of the quaternary isopach is controlled by fault structures.
Keywords:Active fault  The quaternary isopach  Northern South China Sea  Multiple seismic channel  Drill
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