伟晶岩似乎是在较晚的岩浆阶段形成的。
它们产于富含暗色岩和伟晶岩的古老地盾区内。
The deposits occur in the old shield which is rich in dark rocks and pegmatites.
东湖伟晶岩矿床为花岗质完全分异式伟晶岩类型；
Donghu pegmatite deposit is characterized by granitic and completely differential pegmatite.
霞石为典型的碱性矿物，主要生成于碱性岩及其伟晶岩中。
Nepheline is a typical kind of alkaline mineral, which forms mainly in alkaline deposit and its pegmatite.
锂辉石为典型的伟晶岩矿物，主要生成于花岗伟晶岩脉中。
Spodumene is a typical kind of pegmatite, which forms mainly in the ore vein of granite-pegmatite.
此成果对了解伟晶岩物质成分、形成机制及成因研究具重要意义。
The results of this study are significant in understanding the compositions, forming mechanisms and origins of pegmatites.
花岗伟晶岩一种有时富含铀、钨和钽等稀有元素的粗纹理花岗岩。
A coarse-grained granite, sometimes rich in rare elements such as uranium, tungsten, and tantalum.
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。
The diabase and lamprophyre are typical mantle source rock while the granite pegmatite is typical crustal source rock.
矿化伟晶岩墙大多受NEE向纵向节理控制，并位于幕阜山岩体的边缘。
The mineralized pegmatite dykes are mostly controlled by NEE-striked longitudinal joints and lie in the marginal facies of Mufu mountain rocks mass.
研究了利用粘土和伟晶岩生产陶瓷地砖的可行性，给出了试验配方和化学组成。
The feasibility of producing ceramic floor tile with clay and pegmatites was studied, and the experimental patch formula and chemical composition were given.
出露地层为震旦系、泥盆系、二叠系、三叠系以及侵入的花岗岩脉和花岗伟晶岩脉。
Emergence stratums are of Sinian, Devonian, Permian, Trias and intrusive granite dike and coarse - grained granite dike.
除了结晶分异模式外，富氟花岗岩浆液态不混溶作用也是伟晶岩成岩成矿的重要机制。
Beside fractional crystallization model, liquid immiscibility of Fluorine-rich granite magma is an important mechanism to form pegmatite and pegmatite type deposit.
此外，还有矿物组合与辉长岩相似的辉长伟晶岩；与霞石正长石相似的霞石正长伟晶岩等等。
In addition, mineral assemblage and gabbro similar to gabbro pegmatite; and nepheline syenite nepheline syenite rock similar pegmatite and so on.
在伟晶岩接触带，硫化物成分变为黄铜矿、针镍矿、黄铁矿及硫镍铁矿，伴生有磁铁矿和赤铁矿。
At pegmatite contacts the composition changes to chalcopyrite, millerite, pyrite, and violarite accompanied by magnetite and hematite.
连云山上石含锂铍钽铌矿床位于连云山背斜南翼上石伟晶岩密集区，其地层为板溪群二云母片岩。
Li- Be-Ta-Nb-bearing deposits in Lianyun Mountain occurred in Shangshi on the south wing of Lianyun Mountain anticline, the densely distributed pegmatite area.
地球化学和同位素研究表明，该矿床为岩浆一交代花岗伟晶岩型矿床，成因上与付坊和会同岩体有关。
The research on geochemical characteristics and isotope age suggests that the deposit belongs to a magma-metasomatic pegmatite type deposit related to Fufang and Huitong granitic mass in genesis.
通过构建数字矿床模型，实现了对可可托海3号伟晶岩脉稀有金属矿开发现状及潜在经济价值的评估。
Through the building of a digital ore deposit model, the authors evaluated the present exploration situation and potential economic value of the rare mental mine in Koktokay No. 3 vein of Xinjiang.
矿床赋存于震旦系C组地层中，中型规模，矿床类型为岩浆作用形成的白云母钠长石伟晶岩铌钽矿床。
It is hosted in the stratum of the group C of the Sinian system. Its deposit type belongs to the Niobium-Ta...
在四川冕宁稀土矿床霓辉重晶伟晶岩和碳酸岩矿体的早期萤石、石英中发现了大量的流体-熔融包裹体。
A great quantity of fluid-melt inclusions was found in early-stage formed fluorite and quartz from aegirine-augite-barite pegmatite vein and carbonatite vein in Mianning REE deposit of Sichuan.
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。
Chrysoberyl in some granite pegmatite is a rare mineral that seldom seen in Altatic area, and it is a valuable precious stone.
闽东南沿海晚中生代变质带内出露的I型花岗岩、细晶岩和伟晶岩中常包含岩浆成因的石榴子石和原生白云母。
I-type granites, aplites and pegmatites outcropping in Mesozoic metamorphic belt of the southeastern coast of Fujian Province contain commonly magmatic garnets and primary muscovites.
闽东南沿海晚中生代变质带内出露的I型花岗岩、细晶岩和伟晶岩中常包含岩浆成因的石榴子石和原生白云母。
I-type granites, aplites and pegmatites outcropping in Mesozoic metamorphic belt of the southeastern coast of Fujian Province contain commonly magmatic garnets and primary muscovites.
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