泥板岩（argillite）是一种成分复杂、已固结硬化的粘土岩。
存在于两个相连地层之间的岩石，可能在这一层是泥板岩，而在另一层中是砂岩；但存在于泥板岩或者砂岩中的化石往往都是相同的。
While rock between two consistent strata might in one place be shale and in another sandstone, the fossils in that shale or sandstone were always the same.
由计算所得的KI和KII数值解，得到了裂纹垂直于层面时此泥板岩的临界断裂曲线。
The critical fracture curve when cracks are vertical to the layered rock mass has also been obtained by using numerical values KI and KII.
某水电站泥板岩变形是该坝区地下洞室群和高边坡研究的主要问题，探讨泥板岩粘弹性本构模型有重要意义。
The shale deformation of a given dam is the main issue of the study on underground openings and high slope, so it is important to discuss the viscoelastical constitutive model of the shale.
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