二叠纪的

More than 90% of Permian genera of sponges, corals and brachiopods vanished in the extinction.

二叠纪海绵、珊瑚和腕足动物三个属多于90%的物种在大灭绝事件中消失了。

These facts indicate that a global sea-level drop occurred at the end of Changhsingian.

这些证据表明二叠纪末有全球性的海平面下降。

It is divided into six main periods: the Cambrian , Ordovician, Silurian, Devonian, Carboniferous ,and Permian.

分为六个主要的时期：寒武纪、奥陶纪、志留纪、泥盆纪、石炭纪和二叠纪。

Santanghu Basin is located between Altai Mountain and Tianshan Belt,it is a composite and reconstructed basin which superposes on the Paleozoic erogenic belt of Paleozoic age.

盆地前二叠纪基底可能经历了洋盆俯冲、岛弧增生、陆块碰撞的造山作用过程，基底属于活化基底岛弧带。

The original Seluohe Group contains at least four parts: Late Archean metamorphic rocks (zircon SHRIMP protolith ages 2517~2534 Ma), Late Paleozoic metamorphosed volcanic-sedimentary strata (zircon SHRIMP 252 Ma), Permian gneissic granitic complex (zircon SHRIMP 260 Ma), and Jurassic mylonitized granites (zircon SHRIMP 168 Ma).

原划分的色洛河群至少由4部分组成：新太古代变质火山－沉积地层（锆石SHRIMP年龄为2517~2534 Ma）、晚古生代变质火山－沉积地层（英安岩锆石SHRIMP年龄为252 Ma）、二叠纪片麻状杂岩体（锆石SHRIMP年龄为260 Ma）和侏罗纪糜棱岩化花岗岩（锆石SHRIMP年龄为168 Ma）。

The rock formation and isochronic sequence stratigraphic correlation framework have been set up which shows the sedimentary sequence in both Luxi and Jiyang depression is similar to each other, being of the same sequence architecture of'duality structure'but a bit differences in sedimentary system.

以多重地层划分及层序地层学理论为指导，运用沉积学、古生物学、地球化学、地球物理学方法和资料对研究区石炭二叠纪陆表海聚煤盆地的沉积层序进行了综合识别分析。

Life began to redive rsify after the great Permo-Triassic extinction and warm-water faunas spread a cross Tethys.

在经历了二叠纪末的生物大绝灭后，生命开始复苏。暖水海洋生物在特提斯海蓬勃发展。

On the basis of 1:250000 regional geological survey, the authors made a lithostratigraphic study and redivision of the Carboniferous-Permian strata in the Xi Ujimqin Qi-Linxi area, southeastern Inner Mongolia, and used the biostratigraphic, sequence stratigraphic and unconformity approaches to make multiple stratigraphic division and correlation.

通过1：25万区域地质调查，对西乌珠穆沁旗—林西地区石炭纪—二叠纪地层进行了岩石地层学研究与重新归并划分，并进行了生物地层，层序地层及不整合面地层的多重地层划分与对比。

A1 in Shanxi Formation in Xinzhuangzhi Coal Mine of Huainan, Anhui Province, southern border of North China Subprovince of the Cathaysian Flora in China.

本文较详细地描述了3种产自中国华夏植物区二叠纪煤系地层中的科达植物分散角质层。

According to the isotopic dating,it was emplaced into the active continental margin in Permian,which was resulted from the eastward subduction of the Tethys sea.

结合同位素测年结果及其它地质事件，确定是在二叠纪侵位于活动陆缘，是区内古特提斯洋向东俯冲消减作用的产物。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。