青藏高原北缘银石山地区差异隆升机制

青藏高原北缘银石山地区晚新生代区域构造体制总体为南北向挤压，其主要构造表现有EW向断裂发育及其逆冲活动导致断块的差异抬升、渐新世阿克塔什组中两期挤压褶皱构造、新构造平移断裂发育及其形成多种类型的走滑成因型湖泊等。该地区详细的野外地质调查未发现晚新生代伸展构造形迹。其新构造特征的形成机制可解释为：晚新生代岩石圈地幔的拆沉及软流圈地幔的上隆使上部岩石圈破裂和抬升，同时印度板块与塔里木板块持续的南北向挤压作用使测区总体处于强烈的区域挤压应力场中，从而使表壳地块沿破裂面产生逆冲运动，并造成差异隆升。

The mechanisms of different uplifts in the Yinshishan area, northern edge of Qinghai-Tibet plateau

The mechanism of the regional tectonic is SN compression generally in the Yinshishan area, northern edge of Qinqhai-Tibet plateau. Main tectonic performances are as follows: EW-directed thrust faults and relevant different-uplifted fault-blocks, two phases of compressive folds in the Oligocene Aketashi Formation, neotectonic strike-slip faults and the relevant types of the strike-slip lakes. Late Neozoic extensional structure could not be discovered in detailed field geological survey in the area. The mechanism of neotectonic characteristics can be regarded as the upper lithospheric breakup and uplifting caused by the delamination of the late Cenozoic lithospheric mantle and upwelling of asthenosphere mantle.The persistent SN compression between Indian Plate and Tarim Plate results in the area under the violent compressive stress,which made crust surface thurst along the fracture,resulting in different uplifts.