正长石、斜长石（又分钠长石、奥长石、中长石、拉长石、培长石、钙长石）及其各种变种（如正长石的变种透长石、钾微斜长石等）的总称。
在酸性水介质条件下，长石类矿物都能发生程度不同的溶蚀反应并形成次生孔隙。
In acidic aqueous media, feldspar minerals can be dissolved to some extents, leading to the formation of secondary pores.
主要组成矿物有斜长石、黝帘石、角闪石、另有云母类矿物、榍石、葡萄石等次要矿物。
The main minerals are plagioclase, zoisite, hornblende, and the minor minerals were mica, sphene, prehnite and so on.
主要组成矿物有斜长石、黝帘石、角闪石、另有云母类矿物、榍石、葡萄石、方解石、电气石等次要矿物；
The main minerals are plagioclase, zoisite, hornblende , and the minor minerals were mica, sphene, prehnite, tourmaline and so on.
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