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Research on Diageneses of Cambrian shoal facies carbonate rocks in the Xiadong Area, Hubei province

机译:湖北省霞东地区寒武系浅滩相碳酸盐岩成岩作用研究

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摘要

With continuous outcrops, developed shoal facies rocks, complete types of diagenesis and changeable diagenetic environments, Cambrian strata are well developed in the Xiadong area, Yichang, Hubei Province. Under the combined influence of numerous diageneses, secondary pores can be formed, which result in better reservoir properties of the rock strata. The Cambrian rocks in this area consist of mainly carbonate rocks and secondarily detrital rocks. The carbonate rocks Are dominated by grainstones including wormkalk, calcirudite-calcarenite, oolitic limestone and oncolitic limestone.
机译:由于连续露头,浅滩相岩石发育,完整的成岩作用类型和成岩环境多变,湖北省宜昌下东地区寒武纪地层发育良好。在众多成岩作用的共同作用下,可以形成次生孔隙,从而使岩层具有更好的储层性质。该地区的寒武纪岩石主要由碳酸盐岩和次要碎屑岩组成。碳酸盐岩的主要成分为蠕虫,钙硅钙石-钙长石,橄榄石石灰岩和硬脂岩石灰石。

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