普通角闪石是闪长岩、正长岩中常出现的矿物，也常出现在花岗岩中。
Hornblende is often diorite, syenite in minerals, often appear in granite.
实验的岩石有花岗岩、玄武岩、正长岩和片麻岩。
The experimental rocks were granite, basalt, syenite and gneiss.
石英硬玉岩原岩包括正变质的花岗岩和奥长花岗岩、副变质的酸性火山碎屑岩和长石石英砂岩。
The protoliths of quartz jadeitite include metamorphosed granite, trondhjemite, acidic volcanic rocks and feldspar-quartz sandstone.
岩性上自早到晚由辉长岩、辉石正长岩、（石英）正长岩和正长花岗岩等四个岩石单元构成。
It is composed of four rock units, they are gabbro, pyroxene syenite, (quartz) syenite and syenogranite from early to late.
因此，花岗岩类是深成岩的一个大类，包括象花岗闪长岩、二长花岗岩、正长花岗岩、英云闪长岩等这样的岩石。
Therefore, the granitoid is a big group of plutonic rocks including such as granodiorite, monzonite, syenogranite, tonalite, and so on.
其中的金龙桥单元正长花岗岩是晚期分异相 ，应作为紫金山地区锡矿重要的预测标志。
The fine-grained syenogranite of Jinlongqiao Unit is the differentiated lithofacies of this magmatic system, and can serve as the criteria for tin ore-prospecting in this area.
其中的金龙桥单元正长花岗岩是晚期分异相 ，应作为紫金山地区锡矿重要的预测标志。
The fine-grained syenogranite of Jinlongqiao Unit is the differentiated lithofacies of this magmatic system, and can serve as the criteria for tin ore-prospecting in this area.
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