A variety of plagioclase feldspar found in igneous rocks and characterized by brilliant colors in some specimens.
一种斜长岩长石的变体，发现于火成岩中，某些样本中含有丰富绚烂的颜色。
Symbiosis with acidic potassium feldspar, plagioclase, biotite.
与钾长石、酸性斜长石、黑云母共生。
The affecting factors of low value by activation energy determination include heating duration in low temperature stage, pureness of K feldspar and mixture of some plagioclase, quartz et al.
导致活化能取值偏低的影响因素包括低温阶段的加热时间、K-长石的纯度和部分斜长石、石英的混入等。
Secondary feldspar was related to the albitization process of feldspar, the albitization of plagioclase began at the early stage of diagenesis, and the albi.
次生长石与长石的钠长石化过程有关，斜长石钠长石化始于成岩早期，而钾长石的钠长石化则需较高的成岩条件才能进行。
The notes describe the common minerals such as quartz and its polymorphs, coesite, tridymite and cristobalite, feldspar, plagioclase, feldspathoids, pyroxenes, amphiboles, etc.
讲稿详细地介绍了火成岩矿物，如：石英及它的同构异形体、柯石英、鳞石英、方石英、长石、斜长石、似长石、辉石、闪石等矿物。
This is a sign of the difference of potassium feldspar and plagioclase is the most important.
这才是区别钾长石和斜长石最重要的标志。
Granitic rocks mainly consist of quartz, plagioclase and alkaline feldspar and hence have lower densities.
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。
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.
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。
Major minerals of lunar granitic clasts are quartz, K-feldspar and calcic plagioclase with granophyric intergrowths.
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；
Rock-forming mineral, olivine, pyroxene, hornblende, orthoclase, feldspar, plagioclase, mica, quartz, biotite, calcite and other common metal and nonmetal minerals.
造岩矿物的概念、橄榄石、长石、角闪石、辉石、云母、石英、方解石和常见金属和非金属矿物。
Rock-forming mineral, olivine, pyroxene, hornblende, orthoclase, feldspar, plagioclase, mica, quartz, biotite, calcite and other common metal and nonmetal minerals.
造岩矿物的概念、橄榄石、长石、角闪石、辉石、云母、石英、方解石和常见金属和非金属矿物。
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