fan-delta plain 扇三角洲平原
The fan deltaic body can be divided into three subfacies, named fan delta plain, fan delta front and pro-fan delta.
扇三角洲沉积体明显地可划分为：扇三角洲平原亚相、扇三角洲前缘亚相和前扇三角洲亚相。
The general sedimentary characteristics indicate that shore-shallow lacustrine deposits are the main types, while flood plain, delta and fan delta occurred mainly along the basin margin.
沉积相总体特征以滨浅湖沉积为主，而在研究区周缘则多发育河流泛滥平原、三角洲和扇三角洲沉积。
Fan delta sedimentary system which includes delta plain facies and delta front facies developed in the lower member of Xishanyao Formation.
西山窑组下段为扇三角洲沉积体系，发育平原和前缘亚相。
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