The Sedimentary cover is constituted by the carbonate rocks in lower Cambrian-middle Devonian-Clastic Rock which overlies disconformably the lower the transitional basement.
盖层由平行不整合于过渡性基底之上的下寒武统-中泥盆统碳酸盐岩-碎屑岩系构成。
参考来源 - 南秦岭构造带旬阳—神河一带地质构造特征·2,447,543篇论文数据，部分数据来源于NoteExpress
对浙江江山碓边下寒武统上部—下奥陶统下部碳酸盐岩进行了碳氧同位素测定。
The studied carbonate rocks dealt with in this paper were collected from the classic section of the Cambrian to Lower Ordovician age at Duibian of Jiangshan, Zhejiang.
研究认为中国古生代海相盆地在纵向上主要发育下寒武统、中上奥陶统—下志留统和二叠系3套烃源岩。
Vertically, 3sets of source rocks including the Lower Cambrian, the Middle-o-Upper Ordovician-Lower Silurian and the Permian were developed in Chinese Paleozoic Marine basins.
本文对新疆塔里木盆地西缘的阿克苏地区肖尔布拉克附近的下寒武统底部海相地层内发现的重晶石结核中的沥青进行了研究。
Asphalt-bearing barite nodules were discovered in the marine deposit of the bottom of Lower Cambrian formation in the western margin of Tarim Basin located in the Xiorbrag area, Arksu.
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