泥质结构（pelitic texture）又称粘土结构（clay texture），是粘土岩的特有结构。其特点是岩石中粘土物质占50%以上，由于混有不同含量的砂及粉砂，故存在一系列过渡型结构。
矿石结构主要为泥质结构和显微鳞片泥质结构，构造主要为微层状、板状和致密块状；
The ore has the pelitic and microscale pelitic texture and the micro-bedded, tabular and dense massive structure.
结合现代土力学原理，系统分析了风化泥质软岩的结构特征，膨胀特性；
From the principles of modern soil mechanics, the structural and swelling characteristics of soft clayey rocks were analyzed systematically.
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；
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.
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