potassic

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产物，局部地段构成矿体。

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。

The kamafugite is a rare type of ultra-potassic rocks, and a rock series contained generally that rock types of alnoite, olivine-melilitite, mafurite, katungite and wugantite and so on.

要霞橄黄长岩是一种非常稀少超质火山岩，也是一个岩石系列，包括黄长煌斑岩、橄榄石黄长岩、白橄黄长岩、橄辉霞岩和岩等多种岩石类型。