Iron ore deposits in upper reach of Yangluhe river are situated in the west Calidonian fold belt of the west Qilianshan mountain.

The paper interprets the Chongqing-Heishui gravity profile traversing the Dazu high gravity gravity field and the Longmen Mountains fold belt.

The Formation of the salt tectonics in the Kuqa foreland fold belt may be controlled by compression, gravitational gliding and gravitational spreading.