In cycled lithologic sections of argillaceous dolomite and coarse texture algae dolomite, reservoir and non-reservoir alternately appear, which make pores and caves growing along the layer.
储层中泥质白云岩与粗结构藻白云岩韵律性的岩性剖面，纵向上储层与非储层交替出现，孔洞的发育顺层分布，形成同层渗透带；
Organic extraction was conducted for copper from the purple argillaceous-arenaceous dolomite in the Dongchuan copper mine.
对云南东川铜矿的紫色泥砂质白云岩进行了有机质萃取铜的实验。
Its lithology is primarily argillaceous limestone, and the physical property can improve along with dolomite content's increasing;
岩性以泥晶灰岩为主，并且物性随白云岩含量的增多会变好；
Its lithology is primarily argillaceous limestone, and the physical property can improve along with dolomite content's increasing;
岩性以泥晶灰岩为主，并且物性随白云岩含量的增多会变好；
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