granite pegmatite

基本解释

The diabase and lamprophyre are typical mantle source rock while the granite pegmatite is typical crustal source rock.
其中辉绿岩和煌斑岩是典型的幔源岩，花岗伟晶岩则是典型的壳源岩。
Chrysoberyl in some granite pegmatite is a rare mineral that seldom seen in Altatic area , and it is a valuable precious stone.
新疆阿尔泰地区某些花岗伟晶岩含有金绿宝石，它是一种罕见的稀有元素矿物，而且具有极高的经济价值。
This article introduces the Hexagonal pyramid beryl, which crystallized perpendicular to the granite-pegmatite vein wall which has a close relation with Na replacement in the post melt period.
大卡拉苏花岗伟晶中的六方锥状绿柱石，垂直花岗伟晶岩脉壁定向晶出，与熔浆期后钠质交代作用关系密切。