There exited many types of the depositional gap within depositionalsequence.
在古河谷沉积层序中存在着多种沉积间断。
2
It can be used to determine boundaries of depositionalsequence and system tracts, current direction, hydraulic energy and manifold depositional environments.
用它可以确定层序和体系域边界，判断水流方向和水动力大小，识别多种沉积环境。
3
They belong to respectively seismic events and resulted in products of the tsunami events, forming a relatively complete normal seismic event depositionalsequence.