砂岩透镜体圈闭 meaning in Chinese

sand lens trap

Near the faulty step - break , low stand system developed , and some sediment system distribute broad , such as alluvial fan , low stand wedge , low stand fan , and so on . the sand body can form not only the trap of dying out upward and sand lens , but also fault - iithology trap . the study shows that fault - lithology trap is most important trap style in study area especially sha - 3 formation
断阶坡折附近是低水位体系域发育的重要场所，常发育冲积扇、冲蚀作用的下切河道以及低水位楔状体、低水位扇体等沉积体系，这些砂体不仅具有形成上倾尖灭或砂岩透镜体圈闭的条件，而且可形成断层?岩性圈闭。