alteration mineral meaning in English

蚀变矿物

Potash micatization is one of the main hydrothermal alteration minerals genetically related to the lead - zinc - silver deposit . it usually shows as muscovitization , sericitization and illitization . this paper presents a comprehensive study on the chemical composition of potash mica , adapted the follow methods : electronic probe , differential thermal analysis , x - ray diffraction analysis . at last , the structu ral characteristics and the geological environment of potash mica forming have been discussed
系统地研究了钾质白云母化的矿物组成，采用了电子探针差热分析x射线分析等技术方法，探讨了钾质白云母的结构特征和形成的地质环境及找矿意义。