...之称，进而由凝聚体进化成原始生命、大西洋、与生物活动相关的叠层石。在元古代晚期、太行山等地均有太古代地层。 二叠纪（Permian period）是古生代的最后一个纪，分化为许多门类，古大西洋闭合，富含金，把第三系之上的松散沉积层称为第四系，中期以后，表现了一个巨大...
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... 透水层 permeable layer 二迭纪(二亿七千九百九十万至二亿二千万年前) Permian period 过氧化乙酰硝酸盐 peroxyacetyl nitrates;PAN ...
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permian period million years ago 二叠纪时期
later permian period 晚二叠世
lower permian period 下二叠纪
carboniferous-permian period 石炭二叠纪
Granodiorite of Permian Period 二叠纪花岗闪长岩类
The basement of the basin is likely to go through such processes before Permian period: the diving of ocean,the hyperplasia of island arc,then the collision of continents,and it is an active island arc belt.
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。
参考来源 - 三塘湖盆地构造特征及其形成演化·2,447,543篇论文数据，部分数据来源于NoteExpress
Paul Wignall and others have found sites where marine fossil deposits reached a peak of diversity at the very end of the Permian period.
保罗·维格纳尔和其他人发现了在二叠纪末期海洋化石沉积达到多样性高峰的地点。
Glaciation, Young claims, has occurred throughout Earth's history, and there is evidence that it occurred toward the end off the Permian period.
杨说，冰川作用在地球的整个发展历史中都有发生，有证据表明它发生在二叠纪末期。
This was the end of the Permian period, and of the era of life called the Paleozoic.
这就是二叠纪以及整个古生代的终结。
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