The petroleum exploration geologist working with subsurface channel sandstone must have a background knowledge of geomorphology. 和地下的水道砂岩打交道的石油地质工作者，必须具备地貌学方面的基础知识。
Subsurface structures have been obtained through regional deep seismic profiles and kinematic data recovered from nearly continuously cores. 通过区域深反射剖面和近于连续的岩心样品数据，已经获得了地下的精细结构剖面。
