downwarping

The process of successive subsidence or interruptly polystage subsidence existed during the formation of petroleum bearing downwarping regio...

多期构造运动，又为不同时代生烃、不同类型油气提供了运聚成藏条件，为油气多源复合成藏提供了前提。

Baiyinchagan depression is part of downwarping faulted rift basin developed on XingmengHercynian multicycle and collision fold basement in late Mesozoic.

白音干凹陷为兴蒙海西期多旋回、软碰撞褶皱基底晚中生代发育起来的断-坳型裂谷盆地的次级构造单元。