方解石含量约5%，形成于成岩期后期的方解石化，常充填在裂隙中，呈脉状产出，粒度相对较大，一般在0.1～0.411mm之间。方解石化形成时间最晚，方解石脉穿插石英脉。局部方解石交代白云石形成去门云石化。
白云母含量约1%，形成于成岩期，与石英碎屑同时形成，当时以岩屑的形式存在，粒度一般在0.05～0.2mm之间。
高岭石、绿泥石和绢云母（泥质）在矿石中含量约32%。这3种矿物由于粒度极细，都呈泥晶状或显微鳞片状，又常共生在一起，显微镜下无法单独区分，统称为泥质。经X衍射分析，矿石中的泥质主要以高岭石为主，形成于成岩期，以岩屑的形式存在，外形具碎屑的形态，内部具显微鳞片状或泥状结构，矿石中部分泥质呈条带状分布。
长石含量约1%，形成于成岩期，与石英碎屑同时形成，粒度一般在0.06～0.2mm之间。
Calcite content was about 5%, the formation of late diagenetic stage calcitization, often filling in the crack, showing veinlike, particle size is relatively large, generally between 0.1 ~ 0.411mm. Calcitization formation time later, interspersed with calcite quartz vein. Local calcite replacement dolomite formation to go to the door cloud petrochemical.
白云母含量约1%，形成于成岩期，与石英碎屑同时形成，当时以岩屑的形式存在，粒度一般在0.05～0.2mm之间。
The content of about 1%, formed in the diagenetic stage, and the formation of quartz debris, at that time in the form of cuttings, particle size is generally between 0.05 to 0.2mm.
高岭石、绿泥石和绢云母（泥质）在矿石中含量约32%。这3种矿物由于粒度极细，都呈泥晶状或显微鳞片状，又常共生在一起，显微镜下无法单独区分，统称为泥质。经X衍射分析，矿石中的泥质主要以高岭石为主，形成于成岩期，以岩屑的形式存在，外形具碎屑的形态，内部具显微鳞片状或泥状结构，矿石中部分泥质呈条带状分布。
Kaolinite, chlorite and sericite (mud) in the ore content of about 32%. These 3 kinds of minerals, due to very fine particle size, are in the form of mud crystal or micro scale, and they are often together and can not be distinguished separately under the microscope. By X-ray diffraction analysis, ore mud mainly dominated by kaolinite formed in diagenetic stage, exists in the form of debris, shape with debris morphology and internal microstructure scaly or muddy structure, ore in part of the shale were banded distribution.
长石含量约1%，形成于成岩期，与石英碎屑同时形成，粒度一般在0.06～0.2mm之间。
Feldspar content of about 1%, formed in the diagenetic phase, and quartz debris at the same time, the particle size is generally between 0.06 to 0.2mm.
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