| 释义 |
peg·ma·tite 英ˈpegməˌtaɪt美ˈpɛgməˌtaɪtAHDpĕgʹmə-tīt' BNC¹²⁶⁴¹⁶⁺⁴
基本英英例句例句
n.伟晶岩¹⁰⁰形容词pegmatitic
Noun:
a form of igneous rock consisting of extremely coarse granite resulting from the crystallization of magma rich in rare elements
名词100%
用作名词As with other mines containingpegmatiterocks, Brazilian Alexandrite is found in rugged areas that can be difficult to access.如其它含有伟晶岩的矿藏一样，巴西亚历山大石也只能在难以到达的崎岖地区所发现。
Li- Be-Ta-Nb-bearing deposits in Lianyun Mountain occurred in Shangshi on the south wing of Lianyun Mountain anticline, the densely distributedpegmatitearea.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。 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。 dictall
It is possible that short- chain carboxylates are present in high temperature hydrothermal fluids at the late stage of the granite evolution, the pegmatite stage.
花岗岩演化晚期-伟晶岩阶段的高温水热流体中可以存在短链羧酸。 cnki
The Maoniuping ore district, an alkali pegmatite and carbonate vein type LREE deposit related to the shattered zone of alkali granite, is obviously controlled by lithologic character and structures.
与碱性花岗岩破碎带有关的碱性伟晶岩、碳酸岩脉型轻稀土矿床，明显受岩性和构造控制。 cnki
The studies on petrochemistry, REE distribution patterns and oxygen isotopic compositions show that granite and pegmatite in the eastern Qinling belt possess the same or similar characteristics.
岩石化学、稀土配分和氧同位素研究结果显示，东秦岭的花岗岩与伟晶岩具有一致或相似的特点。 geojournals
The existence of local magmatic differentiation, immiscibility and heterogeneity was proved for the pegmatite magmas.
研究表明，伟晶岩存在局部岩浆分异作用，岩浆具不混溶性及非均匀性。 cnki
The granite- pegmatite-type uranium deposit is a new type of uranium deposit which has been recently discovered.
花岗伟晶岩型铀矿是目前发现的一种新类型铀矿。 cnki
The local Pegmatite was introduced into the body mud of stoneware basing on research, analysis, and process test. The resources were exploited, the cost of production was decreased.
经调研分析及工艺试验，将本地伟晶岩引入炻器坯料中，开发了资源，降低了生产成本。 cnki
The mineralized pegmatite dykes are mostly controlled by NEE-striked longitudinal joints and lie in the marginal facies of Mufu mountain rocks mass.
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。 cnki
The research of compositions of fluid- melt inclusions indicates that the genesis of Altai pegmatite was close ties with magmatic- hydrothermal transitional stage.
流体熔融包裹体成分研究表明阿尔泰伟晶岩成因与岩浆-热液过渡阶段有密切联系。 cnki
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.
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。 cnki
Beside fractional crystallization model, liquid immiscibility of Fluorine-rich granite magma is an important mechanism to form pegmatite and pegmatite type deposit.
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。 dictall
Malipo emerald deposit in Yunnan Province has two types of pegmatite vein and greisen vein.
云南麻栗坡祖母绿主要有伟晶岩脉型和云英岩脉型两种矿化类型。 cnki
Nepheline is a typical kind of alkaline mineral, which forms mainly in alkaline deposit and its 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。 cnki
Ore- bearing rock body is located at the top of“ magma tree” within the belt of dimicaceous granite- granitic pegmatite.
含矿岩体位于“岩浆树”顶端-二云母花岗岩-花岗伟晶岩带。 dictall
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。 cnki
Spodumene is a typical kind of pegmatite, which forms mainly in the ore vein of granite- 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。 cnki
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.
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。 cnki
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。 cnki |