Xiaertai rock group,a set of metamorphic rock system in Xiaertai area,has experienced strong ductilebrittle deformation and then thermal contact metamorphism and dynamometamorphism in the late stage.

经原岩恢复可将下二台岩群分岩：岭岩，子岩及烧锅屯岩，其原岩建造分别火山岩建造、碳酸盐岩建造及碎屑岩建造。