The age of Kalagang formation of late Carboniferous was early Permian.
其时代为晚石炭世至早二叠世。
The action must also have played an important role in the mass extinction during the Late Permian and early Triassic.
研究二叠纪末一三叠纪初生物大绝灭事件具有重要作用；
On the basis of the study on the flora characteristic of the late late Carboniferous and early early Permian in the Helan Mountains, the palaeoecology study on this flora has been analyzed.
在综合研究了贺兰山北段晚石炭世晚期和早二叠世早期植物群的特征和性质的基础上，对此植物群进行了古生态学方面的分析研究。
The collisional orogenesis in the area occurred in the Carboniferous and Permian, and shows the character of the early compression and late extension.
该区的碰撞造山作用主要发生在石炭纪和二叠纪，并经历了先挤压后伸展的演化过程。
Based on the study of small foraminiferal fauna in the Late Carboniferous and Early Permian in Feicheng coalfield, 25 genera and 73 species of small foraminiferal fossils are identified.
通过对肥城煤田晚石炭-早二叠世小有孔虫动物群的研究，共鉴定出小有孔虫化石25属73种。
The sedimentary environment of the Early Feixianguan Age of Early Triassic in northeastern Sichuan Basin mainly inherited the pattern of the Late Changhsingian Age of Late Permian.
四川盆地早三叠世飞仙关早期的环境基本上继承了晚二叠世长兴期末的格局。
The volcanic rocks formed in a tectonic environment of deep thermal collapse eruption in the Early-Mid Permian late-orogenic phase.
构造环境为早中二叠世造山后期深部热力塌陷火山喷发环境。
Petrologically, new discovery includes a suite of the Late Permian-Early Triassic ophiolites in the southern part of the surveyed area and ophiolites in Duolie, Dagring Village.
岩石方面，在测区南部新发现了一套晚二叠世一早三叠世蛇绿岩。
Petrologically, new discovery includes a suite of the Late Permian-Early Triassic ophiolites in the southern part of the surveyed area and ophiolites in Duolie, Dagring Village.
岩石方面，在测区南部新发现了一套晚二叠世一早三叠世蛇绿岩。
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