Songliao basin is a superposedbasin composed of fault-subsidence and depression.
松辽盆地属断、坳叠置型盆地。
2
Kaping Jianhe region situated in the boundaries of Tangshan City is a basinsuperposed by Paleozoic, Mesozoic and Cenozoic sediments.
开平涧河地区位于河北省唐山市境内，是一个由古生界、中生界及新生界叠合而成的构造盆地。
3
Oil and gas in the basin migrated laterally along T1, T2 interfaces and reservoirs. Verious kinds of traps superposed on paleo-uplifts and paleoslopes are more favourable to form oil and gas pools.