Crustal Structure of the North China Craton from Teleseismic Receiver Function by the Common Conversion Point Stacking Method

详细信息   

• 责任者：Wu Yan (Institute of Geophysics ; China Earthquake Administration ; Beijing 100081 ; China) ; Ding Zhifeng
• 刊名：Chinese Journal of Geophysics
• 出版年：2011
• 卷期：54(10)
• 关键词：地壳结构 ; crustal structure ; 华北平原 ; North China Plain
• 页码：p.2528-2537
• 图表：6 illus., 2 tables, 31 refs.
• 分类号：0400
• 出版序号：20122232
• issnNo：ISSN0001-5733
• isbnNo：CN11-2074/P

摘要

The image of the crust along the 550 km-long profile is obtained by the common conversion point (CCP) stacking method using the crustal model calculated from the H-k stacking and the sedimentary structure calculated before. Because some stations are located on sediments, the size of the bin used in the CCP stacking is enlarged to strengthen the amplitude of the P to S conversion phases. Then the crustal structure of the Bohai Bay Basin (BBB) can be imaged by CCP stacking. The result shows that the crust thickness of the west NCC is much thicker than that of the east NCC. The thickness of the Western Block is about 45 km. The crustal thickness reduces to 43 km under the Lüliangshan which may be the boundary between the Western Block and the Trans-North China Orogen (TNCO) in the depth of Moho.