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准噶尔盆地南缘大龙口地区构造建模
Structure modeling of Dalongkou Region in southern margin of Junggar Basin
【摘要】 大龙口地区位于准噶尔盆地南缘东段,处于盆山结合的前陆冲断带上,构造形态十分复杂。通过与邻区相似构造样式的对比研究,结合野外露头资料,充分利用最新二维地震资料及重力资料解析成果,建立起大龙口地区构造模型的总体框架。研究表明:大龙口地区的构造样式以叠瓦冲断和反向冲断最为常见,位于以二叠系为主的第一滑脱楔之上。
【Abstract】 Dalongkou region locates at the east section in the southern margin of Junggar Basin, and lies in the basin-range junction of foreland thrust belt, which has very complicated structural form. Through the comparative study of the similar structural styles in adjacent regions, combing with the outcrop data, taking full advantage of the latest two-dimensional seismic data analysis and interpretation result of gravity-data, we have established the overall framework of structure model in Dalongkou Region. The result shows that the most common structural styles in Dalongkou Region are imbricate thrust and reverse thrust, which are located in the first slip wedge mainly in Permian.
【Key words】 structure modeling; Bogeda Orogenic Belt; Dalongkou Region; Junggar Basin;
- 【文献出处】 断块油气田 ,Fault-Block Oil & Gas Field , 编辑部邮箱 ,2009年04期
- 【分类号】P618.130
- 【被引频次】4
- 【下载频次】198