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本区箕状凹陷的形成和展布是受地壳波状运动所控制。鲁东、鲁西两块体沿郯庐断裂带的离散和聚敛发生了碰撞。波由碰撞中心向远处传递,形成了各组地层沉降中心的转移及凹陷、断层展布的规律性。不同级次波状运动的迭合使波谷(凹陷)不能保持对称形态,向区域倾斜方向歪斜,因此,断层有规律地发育在陡翼一侧,并形成箕状凹陷。波状运动是板内地壳运动的一种主要形式,它控制了沉积的发育和各凹陷的生成,沉降中心有规律地转移,以及含油富集地区的分布。研究波状运动将有助于了解油气形成和分布规津,更有成效地去寻找油气。
The formation and distribution of the peninsula-like sags in this area are controlled by crustal wavy movements. Ludong, Luxi two blocks along the Tan-Lu fault zone convergence and collision occurred. The waves are transmitted from the collision center to the distant place, forming the regularity of the transfer and depression of the subsidence centers and the distribution of faults in each group. The combination of wave motion at different levels makes the trough (depression) not symmetrical and skewed to the direction of regional tilt. Therefore, the fault regularly develops on the steep wing side and forms a dustpan-like depression. Wave movement is a major form of intraplate crustal movement that controls the development of sediments and the generation of depressions, the regular transfer of subsidence centers, and the distribution of oil-rich areas. Research on wavy motion will help to understand the formation and distribution of oil and gas regulations, more effective to find oil and gas.