Liupanshan arc thrust system is a nappe formed by Qilian terrain splicing to North China epicontinental terrain located in western Ordos block, with distinct dual-terrain superposed textures.

• 主张将华北地台的西界移至中卫-海原-宝鸡一线，井推断六盘山盆地深部发育华北地台的基底和古生界的盖层。