The paper expatiates on the geometry and kinematic features of the detachment fault, and discusses the origin of the fault based on the data which refect the Tibetan plateau deep-seated structure.

• 本文著重阐述拆离断层几何学及运动学特徵，并根据地球物理场资料所反映的青藏高原深部结构特徵讨论其成因。