early and middle jurassic的意思|示意

Mineral , palaeontology , middle devonian , permian to early jurassic , and cretaceous.

收藏矿物、古生物学、中泥盆纪、二叠纪到早期的侏罗纪和白恶纪。

These successions are the eastward extension of the Sewa Formation in the Shuanghu area and their age is assigned to the Middle Jurassic early-mid Bajocian.

这套地层是双湖地区色哇组的东延部分，时代确定为中侏罗世早中巴柔期。

The stratigraphic distributions of Early Jurassic, Middle Jurassic and Late Jurassic in Qaidam Basin are greatly different. The deposit center had two times of great transpositions.

柴达木盆地早、中、晚侏罗世地层分布的变化较大，其沉积中心经历了自西北向北、再向东北的两次大迁移过程。

In these process of evolution, it deposited mainly hydrocarbon source rocks of lacustrine facies in the Early Cretaceous and secondary coal measures source rocks in Early-Middle Jurassic.

主要形成了下白垩统半深湖相烃源岩，其次为中下侏罗统煤系烃源岩。

The structural pattern of the normal fault assemblage that occurred in the Early and Middle Jurassic may have initiated some small-scale petroleum and gas pools.

早、中侏罗世形成的正断层组合构造样式，可形成一些小规模油气藏。

It was rift basin from Early Middle Jurassic to Early Creaceous and squeezed sag basin since Cenozoic.

早、中侏罗世—早白垩世为拉张盆地，第三纪以来为挤压坳陷盆地。