In the crust, the average density of the northern margin of the Tarim basin and the southern margin of the Junggar basin is relatively high, while that of the Tianshan orogenic belt is relatively low.

• 在地壳范围内，塔里木盆地北缘与准噶尔盆地南缘的平均密度较高，天山造山带的地壳平均密度较低。