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。
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.
早、中期三角洲为叶状三角洲,在此沉积时期,湖岸线相对稳定,河湖均有一定能量。
Proponents point to features such as the terraced "beaches" shown in one image, which could conceivably have been left behind as a lake or ocean evaporated and the shoreline receded.
支持者们从一张照片里指出了一些特征,例如阶梯状的“海滩”;可以想象,随着湖泊或者海洋蒸发以及海岸线的后退,这些阶梯状的“海滩”可能会遗留下来。
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