水下沉积物重力流与海底扇相模式研究进展

傅焓埔, 刘群, 胡修棉

Review on Subaqueous Sediment Gravity Flow and Submarine Fan

Hanpu Fu, Qun Liu, Xiumian Hu

图9 海底扇沉积单元的野外照片 (a) 水道沉积，沉积物颗粒粗（粗砂—砾），底部发育槽模；(b) 天然堤与水道沉积，天然堤沉积物颗粒细（泥—粉砂），水道底部发育槽模；(c) 朵体沉积，砂岩层侧向延伸良好[66]

Fig.9 Field photographs of the depositional elements in submarine fan (a) Channel filled by coarse sands and gravels, flute developed at the base of channel； (b) Levee covered by channel, levee is composed of mud and fine sand, flute developed at the base of channel； (c) Lobe stacked by continuous sandstone layers[66]