And on the basis of the characters of sedimentary sequences of the epicontinental basin and the continental basin, a detailed analysis on Permian sequence of Luxinan coalfield delta sediment is c.

• 结合研究区陆表海盆地沉积地层和陆相盆地沉积地层的特点,以及海平面变化特征,分析了二叠系沉积体系并建立了鲁西南煤田二叠系层序地层格架。