压陷盆地

压陷盆地的沉积过程为中浅层生烃高峰期也有利于油气的保存；

The sedimentary process of compressional basin is the peak period of hydrocarbon generation of middle and shallow formation , being favorable for the hydrocarbon preservation .

早白垩世晚期-晚白垩世早期东北发生热沉降，渤海湾和南华北发生裂陷作用，晚白垩世末期松辽盆地西北缘发育压陷盆地。

Later during late of early Cretaceous to early of later Cretaceous , Songliao Basin occurred thermal subsidence , south Huabei and Bohai Bay took place rifting .

阐明了柴西第三系构造演化以中新统（12Ma）为界，可划分为走滑拉分盆地（左旋）与压扭坳陷盆地（右旋）两个主要阶段。

It is suggested that Miocene ( 12Ma ) can be defined as a borderline to mark off the two stages of Tertiary structural evolution , one is sliding and separate basin ( left-revolving ) and the other is compressive and twisty depression basin ( right-revolving ) .

柴达木盆地中新生代沉降拗陷的原型盆地类型为压陷型沉降盆地。

Based on the geological and geophysical datum , we considered that the Menozoic-Cenozoic basin-prototype of Chaidamu basin was the down-warped settling basin .

早&中侏罗世盆地分布于印支运动形成的向斜坳陷核部，属于压陷挠曲型盆地。

The third period during Early-Middle Jurassic was a compress-flexing basin which developed within the core of the syncline deformed by Late Indosinian movement .