断层泥指未固结或弱固结的泥状岩石。发育在地壳浅层脆性断层带中，呈各种彩色条带平行断层面展布，带宽由几毫米至数十米。断层泥的主要成分是粘土矿物，其次为原岩的碎粉和碎砾，是断层剪切滑动、碎裂、碾磨和粘土矿化作用的产物。断层泥中的粘土矿物是层状硅酸盐（高岭石、伊利石、绿泥石、蒙脱石等）和层链状硅酸盐类（海泡石等）。
对小江断裂带的断层泥进行了实验研究。
An experimental study on the gouge along Xiaojiang fault has been carried out.
本文简要地叙述了研究断层泥力学性质的意义和方法。
The meaning and the method of study on mechanical properties of fault gouge has been described simply in this paper.
分维值还与断层泥的母岩、厚度、粘土矿物含量和所处的断裂部位等相关。
The fractal dimension value is also relative with parent rock, thickness, structural position and clay content of the fault gouge.
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