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个岩组：岭岩组，岩组及烧锅屯岩组，其原岩建造别火山岩建造、碳酸盐岩建造及碎屑岩建造。