寒武系

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

推覆构造外来统为前震旦、震旦和寒武，原地统为和石炭。

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.

民和地是发育在中祁隆起带前寒武变质岩基底之上中、新生代山间地。