The Quaternary system in Hanjiang delta is formed by delta sedimentation which is mainly controlled by river trasportation. 韩江三角洲第四系是以河流搬运为主而形成的三角洲相沉积物。
In the lower part of Member 3 of Shahejie Formation, the main reservoir types are fan-delta and sublacustrine fan facies. 沙三段下亚段主要储层沉积相类型为扇三角洲相和湖底扇相。