华北石炭纪岩溶型铝土矿的主要物质来源为下伏的晚寒武世—中奥陶世碳酸盐岩。
The material source of the Carboniferous karst type bauxite in North China mainly came from the underlying Late cambrian-middle Ordovician carbonate rock.
该风暴岩的发现对重建鄂东黄石地区中晚寒武世古地理及区域地层对比具有重要意义。
The discovery of the tempestites is of great significance to restructure the palaeogeography of Middle-Late Cambrian in Huangshi, eastern Hubei Province.
以奥陶系顶面所刻画的中央古隆起显示：中央古隆起仅在晚寒武世-石盒子期末有所显示。
The Central Paleouplift described by Ordovician top surface was merely present during late Cambrian to last stage of Shihezi.
尽管目前关于郯庐断裂的性质的问题还没有完全统一，作者认为郯庐断裂的性质为晚寒武世之后形成的走滑断裂。
Even there are different views about the Tan-Lu Fault's characters, the author think that the Tan-Lu Fault is a huge transcurrent fault which was formed after the Cambrian.
本文采用GC＿MS、ICP＿MS、形态硫分析、硫同位素、物相分析等方法综合研究了湘西晚震旦世-早寒武世黑色岩系的地球化学特征和形成条件。
This paper deals with the formation conditions of black shales based on such analytical techniques as ICP_MS, GC_MS, isotope, organic carbon, element facies and micropetrology.
本文采用GC＿MS、ICP＿MS、形态硫分析、硫同位素、物相分析等方法综合研究了湘西晚震旦世-早寒武世黑色岩系的地球化学特征和形成条件。
This paper deals with the formation conditions of black shales based on such analytical techniques as ICP_MS, GC_MS, isotope, organic carbon, element facies and micropetrology.
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