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.
这下一个将要传送的标本是微斜长石，也叫做天河石。
This next sample that I will pass around is a microline mineral, also called amazonite.
而且酸性斜长石也常呈肉红色。
斜长石广泛出现在各类岩浆岩中。
聚片双晶是斜长石的重要鉴定标志。
Polysynthetic twinning is an important sign of plagioclase identification.
与钾长石、酸性斜长石、黑云母共生。
Symbiosis with acidic potassium feldspar, plagioclase, biotite.
乔治王岛第三纪火山岩含大量斜长石斑晶。
King George Island consists mainly of Tertiary volcanics which contain plentiful plagioclases.
这才是区别钾长石和斜长石最重要的标志。
This is a sign of the difference of potassium feldspar and plagioclase is the most important.
天河石，绿长石一种绿色微斜长石，常用作半宝石。
A green variety of microcline, often used as a semiprecious stone.
本文研究了乌拉山成矿微斜长石的特征及地质意义。
This paper studies the characteristics and geological significance of mineralizing microcline in Wulashan gold ore field.
基性斜长石由于遭受钠黝帘石化，其蚀变产物常带绿色色调；
The mafic due to sodium zoisitization, its alteration products often with green color;
作者首先阐述了典型地区斜长石和石榴石矿物中的振荡环带特征；
The authors firstly expound the features of the Oscillatory zones in plagioclase and garnet in the several typical district;
包括辉石、易变辉石、和斜长石等火成岩，来自于推积性的喷发。
Plutonic rocks consisting of pyroxene, pigeonite and plagioclase, the source of cumulate eucrites.
其主要造岩矿物为橄榄石、斜方辉石、单斜辉石、斜长石和角闪石。
The major rock forming minerals include olivine, orthopyroxene, clinopyroxene, plagioclase and amphibole.
其主要造岩矿物为橄榄石、斜方辉石、单斜辉石、斜长石和角闪石。
They show layered intrusion features. The major rock -forming minerals include olivine, orthopyrox ene, clinopyroxene, plagioclase and amphibole.
长石可以分为钾长石和斜长石两大类，钾长石中包括正长石和微斜长石。
Feldspar can be divided into two large group, the potassium feldspar includes orthoclase and microcline.
月球花岗岩碎屑的主要矿物为石英、钾长石和钙质斜长石，具花斑状结构；
Major minerals of lunar granitic clasts are quartz, K-feldspar and calcic plagioclase with granophyric intergrowths.
花岗质岩石主要由石英、斜长石和碱性长石组成，并因此具有较低的密度。
Granitic rocks mainly consist of quartz, plagioclase and alkaline feldspar and hence have lower densities.
这种反序岩浆演化的机制主要是由于斜长石在高位岩浆房中的分离结晶所致。
The mechanism of this anti-order magmatic evolution is mainly caused by the separate crystallization of plagioclase in a high-level magma chamber.
闪长岩一种黑色花岗岩的纹理的结晶质火岩石，富有斜长石，含有少量石英。
Any of various dark, granite - textured, crystalline rocks rich in plagioclase and having little quartz.
含金矿脉主要由中等-最大微斜长石、石英、黄铁矿和微晶自然金等矿物组成。
The gold-bearing ore veins consist of microcline from intermediate to maximum, quartz, pyrite and microcrystalline natural gold.
因此，斜长石的钠长石化可见于成岩早期，而钾长石的钠长石化只发生于成岩晚期。
Therefore, the albitization of plagioclase is shown in the early stage of diagenesis and albitization of potash feldspar appears only in the late stage of diagenesis.
本文首次系统总结了钾交代型铀矿床的标型矿物——犬牙状微斜长石的五项标型特征。
Described for the first time in this paper the hackly microcline, aa typomorphic mineral in potash metasomatic uranium deposits.
浙江花岗岩的主要交代过程包括交代引起的碱性化，如绢云母化、微斜长石化和硅化。
The meta-somatic processes predominating in the granitic rocks in Zhejiang Province include alkali enrichment caused by metasomatism, i. e. seriatization, microclirization, and silicification.
一般情况下，酸性斜长石双晶纹密集且平直，而基性斜长石的双晶纹较稀且不够平直。
In general, acid plagioclase twin dense and flat, while the mafic twin is thin and not straight.
条纹长石是正长石或微斜长石与钠长石交生的产物，其中正长石或微斜长石多于钠长石。
Perthite is orthoclase or microcline and albite over the product, which is more than orthoclase or microcline albite.
这时，可采集半风化的标本观察，由于斜长石风化后颜色变浅，而与暗色矿物易于区别。
This observation can be collected semi weathered specimens, due to weathering of plagioclase pale, and can be easily distinguished from dark minerals.
斜长石碎屑中钠长石组分逐渐增多，钙长石组分逐渐减少，最终形成纯钠端元的钠长石。
The albite component increases while anorthic component decreases in detrital plagioclase. The plagioclase turned into an end - member component of albite.
一种硬的、致密的、黑色的火山岩。它主要由斜长石、辉石和橄榄石组成，外表经常很光滑。
A hard, dense, dark volcanic rock composed chiefly of plagioclase, pyroxene, and olivine, and often having a glassy appearance.
一种硬的、致密的、黑色的火山岩。它主要由斜长石、辉石和橄榄石组成，外表经常很光滑。
A hard, dense, dark volcanic rock composed chiefly of plagioclase, pyroxene, and olivine, and often having a glassy appearance.
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