英语释义

• a form of igneous rock consisting of extremely coarse granite resulting from the crystallization of magma rich in rare elements

片语

antiperthite pegmatite反条长石伟晶巖

elaeolitesyenite pegmatite脂光石正长伟晶巖

pegmatite phase[地质]

wollastonite pegmatite硅灰伟晶巖

magnetite pegmatite磁铁伟晶巖

granite pegmatite花岗伟晶巖

zonal pegmatite带状伟晶巖

pegmatite mineral伟晶巖矿物

migmatic pegmatite混合伟晶巖

英汉例句

• at pegmatite contacts the composition changes to chalcopyrite, millerite, pyrite, and violarite accompanied by magnetite and hematite.

  在伟晶巖接触带，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。

• 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，该矿床为巖浆一交代花岗伟晶巖型矿床，成因上与付坊和会同巖体有关。

• the types of deposits basically are differential metasomatism in the later magma, pneumatolytic hydrothermal process, pegmatite process, residual deposits and placer deposits.

  矿床类型以巖浆晚期分异交代型、气成热液型、伟晶巖型、 风化壳型和砂矿型为主。

• 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巖成因与巖浆-热液过渡阶段有密切联系。

• 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巖脉型和云英巖脉型两种矿化类型。

• donghu pegmatite deposit is characterized by granitic and completely differential pegmatite.

  东湖伟晶巖矿床为花岗质完全分异式伟晶巖类型；

• 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。

• 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巖含有金绿宝石，它是一种罕见的稀有元素矿物，而且具有极高的经济价值。

• 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巖和碳酸巖矿体的早期萤石、石英中发现了大量的流体-熔融包裹体。

• 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，富氟花岗巖浆液态不混溶作用也是伟晶巖成巖成矿的重要机制。

• in addition, mineral assemblage and gabbro similar to gabbro pegmatite; and nepheline syenite nepheline syenite rock similar pegmatite and so on.

  此外，还有矿物组合与辉长巖相似的辉长伟晶巖；与霞石正长石相似的霞石正长伟晶巖等等。

• the mineralized pegmatite dykes are mostly controlled by nee-striked longitudinal joints and lie in the marginal facies of mufu mountain rocks mass.

  矿化伟晶巖墻大多受nee向纵向节理控制，并位于幕阜山巖体的边缘。

• the diabase and lamprophyre are typical mantle source rock while the granite pegmatite is typical crustal source rock.

  其中辉绿巖和煌斑巖是典型的幔源巖，花岗伟晶巖则是典型的壳源巖。

• 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.

  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巖密集区，其地层为板溪群二云母片巖。

• sohlieren type pamatites and injected pegmatite veins, differentiation of some elements such as volatiles and isotopes in different phases are important symbols of the liquid immiscibility.

  花岗巖中的异离体型伟晶巖和贯入状脉型伟晶巖，挥发份、助熔剂等元素和同位素组成在不混溶相间的突变性是该类不混溶作用的主要标志。

• the phosphate minerals is the most complex one in the granitic pegmatite with rare metal mineralization. in china, the granitic pegmatite in the nanping area has more phosphate minerals.

  磷酸盐矿物是稀有金属花岗伟晶巖中最复杂的一组矿物，在中国以南平伟晶巖最为发育，目前已发现至少22种磷酸盐矿物，其中属我国首次发现的有14种。

• 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.

  花岗巖演化晚期-伟晶巖阶段的高温水热流体中可以存在短链羧酸。