Methods A contrast is made between the characteristics of typical MCC and the Taihua Complex in the Xiaoqinling based on investigation and analysis of structural evolution of the Xiaoqinling.

• 方法总结前人归纳的变质核杂岩特征，与小秦岭地区发育的太华杂岩特征进行对比，再通过对小秦岭地区燕山期后褶皱、南北两侧发育的断裂进行分析和构造演化史研究。