本区富钾火山岩中浅色矿物有碱性长石、白榴石和霞石。
The light - colored minerals of K -rich volcanic rocks in this area are alkaline feldspar, leucite and nepheline.
它是中生代硅酸过饱和并富钾质的火山岩系的产物，其意义可与产于新生代碱性玄武岩系中的晶洞钠沸石对比。
It is a product of volcanic rocks of the mesozoic era over-saturated with silica and rich in potash. it can be compared with geode natrolite that producedin alkaline basalt series of the cenozoic era.
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