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3-D Quaternary Geological Structure of Beijing Plain

详细信息

责任者：Cai Xiangmin (Beijing Bureau of Geology and Mineral Resources Exploration and Development ; Beijing 100195 ; China) ; Luan Yingbo
刊名：Geology in China
出版年：2009
卷期：36(5)
关键词：第四纪 ; Quaternary ; 北京 ; Beijing
页码：p.1021-1029
图表：9 illus., 9 refs.
分类号：1400
issnNo：ISSN1000-3657
isbnNo：CN11-1167/P

摘要

Beijing plain, located at the junction of Yanshan Mountains and North China Plain, consists of sea facies, lacustrine facies, and alluvial sediments. Due to its complicated characteristics, traditional geological survey methods are not applicable in this area. In order to get high-precision information of geological structure in Beijing plain, this paper presents a new practical survey method, whose principles are as follows: first, the entire alluvial-proluvial fan is subdivided into several subsections based on geological structures and sedimentary features, after that, new high-resolution geological cross sections are created by using framework borehole data, geophysical data and historical research results, and then, the characteristics of Quaternary sediments in each geological element is well described, finally, the 3-D geological model of Quaternary is built by using computer techniques and the GIS system of Beijing plain. This model can play an important role in city planning and construction and also promote the development of hydrogeology, engineering geology and environmental geology in Beijing.

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