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

白音查干凹陷为兴蒙海西旋回、软碰撞褶皱基底晚中生代发育起来的-裂谷盆地的次级构造单元。