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黔桂地区是泥盆纪时期南华海盆内裂陷活动作用初始且十分显著的地区。本文结合区域构造和盆地格局分析,通过典型剖面研究,将黔桂稳定型滨岸一台地相区的泥盆系划分为21个3级海平面变化控制的层序。根据南丹罗富、大厂裂陷槽盆地泥盆系层序地层研究和与相邻稳定型泥盆系层序地层对比及层序地层格架分析,揭示了裂陷槽盆地的形成演化过程。指出构造幕式沉降是裂陷槽盆地层序发育和层序构成的主控因素。构造幕式层序记录了盆地幕式构造沉降的沉积响应
The Guizhou-Guangxi region is the initial and significant area where the South China Sea basin rifting activity during the Devonian period. Based on the analysis of regional structure and basin pattern, this paper divides the Devonian in one area of the Guizhou-Guangxi stable coastal zone into 21 third-order sea level change control sequences. According to the research of Devonian sequence stratigraphy and the comparison with the adjacent stable Devonian sequence stratigraphy and the sequence stratigraphic framework in Nandan Luohu and Dachang rift basins, the formation and evolution of rift troughs are revealed . It is pointed out that the structural curtain subsidence is the main controlling factor of the sequence development and sequence composition in the rift basin. The tectonic episode recorded the sedimentary response of the curtain subsidence in the basin