The shoreland bar and beach sand are classified into lacustrine delta deposition and they can be added to the types of lacustrine delta sedimentary facies.
滨岸坝、湖滩砂仍属湖泊三角洲沉积，它丰富了湖成三角洲沉积相类型。
2
The sedimentary environment of the 2nd member of the Xujiahe Fomation is shore-shallow lacustrine. The reservoir sand is beach bar.