The regional geological mapping in Beishan, Guyang County, Inner Mongolia, indicates the presence of the ductile shear zones in the Neo_Archaean quartz diorite and the Meso_Proterozoic tonalities.

• 通过区调填图在内蒙古固阳县北山新太古代石英闪长岩和中元古代英云闪长岩中发现了韧性剪切带 .