母岩(mother rock)即岩石，是一种或数种岩石的集合体，是在成矿过程中供给成矿物质或与成矿作用直接有关的岩石，指在成矿过程中提供了成矿物质的岩石。
The structure of activity of humic was affected by utilization and soil forming mother rock. As the human behavior frequently disturbed the soil, humicmolecules weight became less; polycondensation degree and aromatility of soil humic deceased, and its activity became intense.
利用方式和母岩都影响着土壤腐殖质胡敏酸的结构和活性，人为影响愈频繁，土壤腐殖质胡敏酸分子量小、缩合度和芳构化度低、活性强。
参考来源 - 旱地紫色土有机无机复合及土壤肥力特征·2,447,543篇论文数据，部分数据来源于NoteExpress
不同的母岩母质，一般形成不同性质的土壤。
同时对母岩矿物性质和流体对假玄武玻璃形成的影响进行了分析；
The effects were analyzed of the minerals properties and the fluid in host rocks on the formation of pseudotachylyte.
结果表明土壤母质岩性、母岩裂隙、土壤结构对石榴品质有一定的影响。
Results indicated that soil lithology, rock cranny and soil structure had a certain impact on quality of megranate.
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