• During the late late Permian the epicontinental sea extincted and this area evolved into an inland depression and formed river lake fillings, mainly lake facies.

    二叠世晚期消亡,本区转化内陆陷,形成湖泊沉积为主的河湖充填

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  • 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.

    综合研究贺兰山北段石炭世晚期二叠世早期植物群特征和性质基础,对此植物群进行了古生态学方面的分析研究。

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  • Representative elements of order Albaillellaria firstly appear in Silurian, which prosperous in Late Devonian, and extinction in end-Permian, is the characteristic group of Late Paleozoic Radiolaria.

    阿尔拜虫目放射虫最早代表出现于志留纪,从泥盆世开始繁盛,于二叠纪末期灭绝古生代特有放射虫类群。

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  • 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.

    四川盆地世飞早期环境基本上继承了晚长兴期末的格局

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  • 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.

    四川盆地世飞早期环境基本上继承了晚长兴期末的格局

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