On the basis of Tr-T 6 isopach map, the ancient landform styles of early sedimentation stage in Paleogene reappears in the top palaeogeomorphic map in Mesozoic of Gubei area.

• 指出沿沟谷发育的上倾尖灭砂岩体及断层附近的残丘有利于形成隐蔽圈闭 ,是该区下一步值得重视的勘探领域。