N any small vein or venule 细叶脉; 小静脉
If the large K-feldspar crystals, see roots like veins and veinlets, color is shallow, is perthitic.
如果在大的钾长石晶体上，见有根须状的细脉，而且细脉的颜色又较浅，则为条纹长石。
The late stage quartz-carbonate veinlets, with comb structure, are likely formed in an extensional tectonic environment.
晚阶段具梳状构造的石英-碳酸盐细脉形成于伸展引张环境。
Titanium mineralization in Sulu UHP eclogites is dominated by rutile-type deposit, where rutile occurs mainly as inclusions in metamorphic minerals, intergranular crystals or veinlets.
苏鲁超高压榴辉岩中的钛成矿作用以金红石型钛矿床为主，其中金红石以变质矿物中的包裹体、晶间颗粒或脉状形式出现。
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