...，所以粘 度很低，使得离子扩散活动能力加强，可以结晶成很大的矿物晶体， 如此所造成的极粗粒火成岩就名叫伟晶花岗岩(Pegmatite)，呈矿脉 状侵入火成岩体或它的围岩中，与之最有关系的火成岩是花岗岩。
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zonal pegmatite 带状伟晶岩
migmatic pegmatite 混合伟晶岩
granite pegmatite 花岗石伟晶岩 ; 花岗伟晶岩 ; 伟晶花岗岩
trondhjemite pegmatite 奥长花岗伟晶岩
pegmatite-anhydrite 伟晶岩状粗屑岩
pulaskite pegmatite 斑霞正长伟晶岩
tonalite-pegmatite 英云闪长伟晶岩 ; 英云闪长玢岩
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以上来源于: WordNet
N any of a class of exceptionally coarse-grained intrusive igneous rocks consisting chiefly of quartz and feldspar: often occurring as dykes among igneous rocks of finer grain 伟晶岩
Pegmatite is a coarse type of granite that can be found in dikes or veins.
伟晶花岗岩是一种可以在堤防或静脉发现粗的类型。
Ores are of pegmatite granites texture, graphic and massive, banded structure.
矿石为花岗伟晶结构，似文象结构和块状、条带状构造。
Donghu pegmatite deposit is characterized by granitic and completely differential pegmatite.
东湖伟晶岩矿床为花岗质完全分异式伟晶岩类型；
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