Based on the field investigation and the room research on the Kunyang Group,many kinds of hydraulic fracturing products,hydraulic fracturing rock,diapiric cataclasite (breccia) and fault－ full vein,are recognized out in the lower four formations within the Kunyang Group,especially in the Yingmin and Luoxue Formations.
通过昆阳群下四组地层岩石野外详细观察与室内研究，识别出下四组地层，特别是因民组、落雪组地层存在多种水力破裂作用的产物：水力破裂岩、刺穿碎裂岩(角砾岩)和张性裂隙、断裂－充填脉体。