地质学家认为花岗岩是石英，长石和云母的混合物非常好。
The geologist does well to regard granite as a compound of quartz, felspar, and mica.
长石石英云母片岩与副片麻岩一起构成了古老的表壳结构。
The quartz-mica schist together with paragneiss constituted the old supracrustal series.
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.
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