The early to middle Jurassic coal-bearing deposition is mainly consisted of fluvial or lakeshore, estuarine delta facies, lacustrine facies and slough facies.
蔚县煤田早中侏罗世含煤沉积，主要由河流或湖滨河口三角洲相、湖泊相、泥沼相组成。
There existed a transgressive-regressive cycle and a transgressive cycle from the Middle Jurassic to the early period of Late Jurassic.
中侏罗世至晚侏罗世早期经历了一次完整的海侵-海退旋回和一次海侵过程。
During Late Triassic to Early Jurassic, Marine sediments formed (sallow_bay facies or alternating continent_marine facies), and only continental facies deposited during Middle Jurassic to Cretaceous.
上三叠统—下侏罗统有海相地层(浅海海湾相或海陆交互相碎屑岩)分布，而中、上侏罗统及白垩系为陆相地层。
The Upper Jurassic is generally exposed. In the area, the water depth evolved from shallow to deep from the Early Jurassic to the Middle Jurassic.
上侏罗统普遍被剥蚀。早一中侏罗世盆地经历了水体由浅到深的沉积演化。
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。
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。
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。
应用推荐