The crustal components in the region include: late Archean crystallization basement, middle-late Proterozoic fold series and Paleozoic cover of upper Sinian to Permian stratigraphic system.

• 区域地壳结构有基底结晶岩系(新太古界)和褶皱岩系(中新元古界),盖层为古生界,自上震旦统至二叠系基本连续出露。