利用马朗凹陷西山窑组煤系地层发育分布规律与沉积特征分析该沉积期的沉积环境与沉积地貌特征。地层分布特征表明,沉积中心位于凹陷中北部,具有南缓北陡的沉积地貌特征;在凹陷中心煤层发育厚度普遍较大,说明该时期为马朗凹陷填平补齐的重要时期;沉积相标志表明该时期为温暖湿润,植被较为发育的沉积背景,主体上为浅湖沼泽的沉积环境。 Depositional Environment and Sedimentary Geomorphology Characteristics of Coal Measures Stratigraphy and Sedimentary Characteristics in Xishanyao Formation in Malang Depression. The stratigraphic distribution shows that the sedimentary center is located in the north of the depression and has the features of sedimentary landform with a gentle north and a gentle north. The thickness of the coal seam in the center of the depression is generally large, indicating that this period is an important period for filling and replenishing the Malacian Sag. This indicates that the period was warm and humid, with relatively developed vegetation background and the main depositional environment of shallow lakes and swamps.