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从构造体制的转化出发探讨了处于北秦岭加里东造山带的天水东部地区地壳构造演化史。研究区地壳构造演化大致经历了８个大的构造旋回、７次构造体制的转变和１５个世代的构造演化变形序列
Based on the transformation of tectonic regime, the evolution of the crustal structure in the eastern Tianshui area in the Caledonian orogenic belt of the North Qinling is discussed. The crustal tectonic evolution of the study area generally experienced eight major tectonic cycles, seven tectonic regime changes and 15 generations of tectonic evolution deformation sequences