中国板块的演化进入中新生代以来,开始了新的板块构造旋迥阶段。与其相邻的板块特别是印度板块的聚敛,不但使古特提斯海大面积封闭并产生对中国大陆板块强烈挤压碰撞。使中国西部地壳压缩增厚,强烈褶皱和大幅度上升,并形成以挤压为主的中国西部含油气区,同时也影响到东部,使东部地幔物质的流动表现得特别活跃。加速了东部大陆的解体,扩张 Since the evolution of the Chinese plate into the Mesozoic and Cenozoic, it has begun a new phase of plate tectonics. The convergence of its adjacent plates, especially the Indian plate, not only closed the large area of ​​the Guteeth Sea but also caused a strong squeeze and collision on the Chinese mainland. Crustal thickening, strong folds and drastic increases in the crust in western China and the formation of a compression-dominated oil and gas-bearing region in western China that also affected the eastern part of the country, thus making the flow of material in the eastern part of the Mantle particularly active. Accelerated the disintegration and expansion of the eastern mainland