Di Achille said the shoreline evidence was found along a broad delta and included a series of alternating ridges and troughs thought to be surviving remnants of beach deposits.
The rival channel, lake shoreline and gentle slope are quite important for controlling the delta-front sand-body of lithologic trap in a depression basin.
在坳陷湖盆，河道、湖岸线和缓坡对有利于岩性圈闭发育的三角洲前缘砂体具有明显的控制作用。
3
Early and middle delta was leaflike delta, at this sedimentary period, lake shoreline was comparatively steady-going, the lake and the river both had some energy.