其储集岩类型主要为鲕粒云岩和溶孔鲕粒灰岩两大类。
The types of reservoir rocks mainly are oolite dolomite and dissolved porous oolite limestone.
塔中地区石炭系碳酸盐岩主要岩类为颗粒灰（云）岩和泥粉晶白云岩。
The types of Carboniferous carbonate rocks in Tazhong area include grain limestone, grain dolomite and muddy to micritic dolomite.
晶间孔隙主要发育在陡一段下部的粗粉晶含灰云岩中，白云石晶体为自形晶和半自形晶。
The former are mainly developed in the coarsesilt grained, euhedral and semi-euhedral crystalline calcitic dolomites occurring in the lower part of the first member of the Doushantuo Formation.
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