The allochthon consists of the Presinian,Sinian and Cambrian system.The autochthon comprises the Devonian and Carboniferous system.

推覆外来统为前震旦、震旦和寒武，原地统为泥盆和石炭。

Minhe Basin is a Mesozoic-Cenozoic intermont basin grew on Precambrian metamorphic rock basement in middle Qilian uplift zone.Total thickness of Mesozoic-Cenozoic is about 7000 meters.

民和盆地是发育在中起带前寒武变质岩基底之上一个中、新生代山间盆地。