lower permian meaning in English
早二迭世
Examples
- The ziwei cave , including the underground river and dry passags , it developes in the lower permian qixia limestone
摘要紫微洞发育在早二叠系栖霞组的石灰岩中，是一个干洞与地下河相结合的洞穴。 - The petrological and geochemical characteristics and petrogenesis significance of spilite from lower permian dashizai group in the middle section of da hinggan mountains
大兴安岭中段二叠系大石寨组细碧岩的岩石学地球化学特征及其成因探讨 - Cihai iron ore deposit is a subvolcanic - ore pulp intrusive - hydrothermal scouring replacement deposit , which is occurred in the rift of the southern margin of the eastern tianshan mountains in the lower permian epoch
摘要磁海铁矿床产于早二叠世东天山南缘裂陷槽大地构造环境中，为次火山矿浆侵入热液充填交代矿床。 - The study result show that tarim basin has three major better hydrocarbon source rocks , which are the cambrian - ordovician , carboniferous - lower permian and triassic - tertiary source rocks , and high efficiency gas reservoirs and seal rocks , forming five sets of regional associations of gas reservoir and capping bed
在盆地内广泛发育有寒武系奥陶系、石炭系下二叠统和三叠系侏罗系等3套优质烃源岩，以及多套优质储层和盖层，形成了5套区域性储盖组合。 - Permian series distributed widely in the baisin . lower permian series was composed of acid , neutral , and basic volcanics , subvolcanic rocks , volcanoclastic rocks and few normal sedimentary rocks . from western to eastern , the volcanics transited from acid volcanics to neutral and basic volcanics
二叠系在盆地内部分布广泛，下二叠统卡拉岗组主要发育酸、中、基性火山岩、次火山岩、火山碎屑岩及少量正常碎屑岩，由西向东火山岩由中、酸性向中、基性过渡。