确定研究区沙三段主要发育有辫状三角洲、近岸水下扇、滑塌浊积扇等几种沉积相类型；
There are three main types of sedimentary facies: braided-river delta, slip turbidite fan, near-bank submerged alluvial fan.
中段为重力滑塌岩块及角砾岩相-构造活动型冲积扇相沉积；
The middle member is the gravity slide collapse block and breccia facies-structural movement type alluvial fan facies sediments.
精细解释表明，此类丘状体是低倾角逆断层构造、斜坡滑塌堆积及浊积扇等非礁滩沉积体的地震响应。
The accurate interpretation shows that such domal bodies are the seismic reflections of non-reef-bank deposits of low angle thrust faults, slope slump accumulative zones and turbidite fans.
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