granite pegmatite

基本解釋

The diabase and lamprophyre are typical mantle source rock while the granite pegmatite is typical crustal source rock.
其中輝綠巖和煌斑巖是典型的幔源巖，花崗偉晶巖則是典型的殼源巖。
Chrysoberyl in some granite pegmatite is a rare mineral that seldom seen in Altatic area , and it is a valuable precious stone.
新疆阿爾泰地區(qū)某些花崗偉晶巖含有金綠寶石，它是一種罕見(jiàn)的稀有元素礦物，而且具有極高的經(jīng)濟(jì)價(jià)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.
大卡拉蘇花崗偉晶中的六方錐狀綠柱石，垂直花崗偉晶巖脈壁定向晶出，與熔漿期后鈉質(zhì)交代作用關(guān)系密切。