upper permian series 上二叠统
the upper permian 上二叠统
late upper permian 晚二叠世
Upper Permian-Lower Tiras 二叠系上统
Maokouan and Upper Permian 茅口阶和上二叠统
Lithofacies analysis indicates that mid-upper Permian series in the study area comprises mainly bioclast limestone,micrite,calcrenite,calcirudite,silicolite,etc.
岩相分析表明,研究区中-上二叠统主要由生物碎屑颗粒灰岩、泥晶灰岩、砂屑灰岩、砾屑灰岩、硅质岩等组成。
参考来源 - 湖北秭归兴滩二叠系沉积及演化特征·2,447,543篇论文数据，部分数据来源于NoteExpress
Upper Permian is land facies fragments rock construction.
上统为陆相碎屑岩建造。
But no organic reefs were developed in the Upper Permian and the Feixianguan Formation is lack of oolite.
但在海槽相区上二叠统不发育生物礁，飞仙关组缺乏鲕粒岩。
A detailed research has been worked on the Late Upper Permian conodont fauna of Tieshikou section in Xinfeng area, Jiangxi Province.
对江西省信丰县铁石口剖面晚二叠世长兴阶至铁石口阶下部的牙形石动物群有了新的认识。
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