在韩城矿区象山山地，于二叠系之上，第四系黄土之下，发现了两套属于新生界的地层单位。
Two stratigraphic units belonging to Cenozoic Group have. been found between the Permian System and the Quarternary Loess from Xiangshan hill terrain in Hancheng Mining Area.
由于发育大量不同类型中生界和新生界的沉积盆地，中国大陆应赋存有大量的石油和天然气。
For there exist a lot of Mesozoic and Cenozoic depositional basins of different types, China's Mainland should be very rich in oil and gas resources.
由于当时没有高等植物出现，因此奥陶系烃源岩在油气生成上与我国东部中、新生界陆相烃源岩有着明显的不同。
The generation of hydrocarbons of the Ordovician source is different from that of Mesozoic nd Cenozoic sources since there were on high plants in the Ordovician Period.
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