The alteration are mainly silicification, sericitization, k feldspathization and pyritization.
蚀变类型主要有硅化、绢云母化、钾化、黄铁矿化。
2
Piedmont potassic alteration zone is the product of potash feldspathization, part of the zone is ore body.
矿区山前钾化带是钾化蚀变的产物，局部地段构成矿体。
3
Wall rock alterations include sericitization, silicification, potassic feldspathization, biotitization, pyritization, hematitization and hydrous kaolinization.