自下而上由浅湖相、三角洲相和曲流河相组成。
From bottom to top, it consists of shallow lacustrine facies, delta facies and meandering river facies.
研究区储集层岩相主要为三角洲相、滨浅湖相砂体。
The reservoir types in the studied region are mainly deltaic facies and inshore shallow lake facies sand bodies.
主要沉积体系为河流、 三角洲、 冲积扇及滨浅湖相。
The main sedimentary system includes fluvial, delta, alluvial fan and lake facies.
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