potassic

1.The wallrock alterations of gold mineralization include silicification,pyritization,sericitization,potassic alteration,chloritization and carbonitization.

根据常福龙沟金矿成矿地质特征,矿床成因属构造蚀变岩型。

2.Piedmont potassic alteration zone is the product of potsash feldspathization, part of the zone is ore body.

矿区山前化带是化蚀变的产物，局部地段构成矿体。