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由于紫红色母质的影响 ,四川盆地三种新成土普遍具有矿物组成丰富、可风化矿物较多的特点 .土壤系统分类的基层分类单元土族划分上 ,土壤矿物组成是其主要依据之一 .本文主要以X 射线衍射法研究了三种新成土矿物组成 .提出了以 2段分类命名矿物组成的土族划分建议 .
Due to the influence of mauve parent material, the three newly formed soils in Sichuan Basin generally have the characteristics of rich mineral composition and more weathered minerals.The soil mineral composition is the main basis for the classification of the grass-roots units in the soil system classification. Mainly by X-ray diffraction method to study the three new soil composition of minerals. Proposed by the two-stage classification of the composition of the soil composition of the Turkish proposal for the division of soil.