Based on the study of the distribution characteristics of strata superface structures and forms, the Yanqi Basin was divided into slope areas, platform areas and nose areas three basic types.

• 通过对焉耆盆地地层顶面构造及顶面形态分布特征的研究分析,将其分为斜坡区、平台区和鼻状区3种基本类型。