In Filling moment,basins of predominating fluvial facies consists of alluvial fan sets,flood plain sets and lakeshore plain-delta sets.

• 在以河流沉积为主的盆地充填阶段主要由洪(冲)积扇组合、洪泛平原组合和湖岸平原-三角洲组合三种组合模式构成。