The factors influencing the content of hydrous micas were discussed.

结果表明母质是影响粘粒云母含量的主要因素。

The content of clay micas in the soils with higher weathering degree, such as lateritic red soil, red soil, yellowish red soil and yellow soil, was generally low.

风化度较高的赤红壤、红壤、黄红壤和黄壤等土类的粘粒云母含量一般较低。