英语释义

1. metamorphism that involves changes in the chemical composition as well as in the texture of rock

片语

potassic metasomatism钾质交代作用

na metasomatism钠质交代

contact metasomatism[地质]

diffusive metasomatism扩散交代作用

selective metasomatism分别变代

k metasomatismk交代作用

pneumatolytic metasomatism气成交代作用

potassium metasomatism钾交代作用

lime metasomatism石灰交代

英汉例句

• the alkali metasomatism of mantle fluids forms large scale mesothermal deposit.

  地幔流体的堿交代作用形成大型—超大型中高温热液矿床。

• palingenetic zircon produced during the process of metasomatism can be divided into two generations: early and late.

  变质交代过程中产生的再生锆石又可分早、晚两个世代。

• the silicon-rich mineralizing fluid process is a continuation of mineralization led by the mantle fluid metasomatism in crust.

  因此，富硅成矿流体作用实质上是地幔流体交代作用在地壳内成矿作用中的延续。

• gold could be mobilized during potassium metasomatism and started to precipitate to form ores at the beresitization stage.

  金在钾交代阶段活化转移，而在黄铁绢英巖化阶段开始沉淀成矿。

• mantle metasomatism is actually a result of interaction between mantle fluids and wall rocks. study on their transport manner is beneficial to understanding mantle metasomatism.

  地幔交代作用实质上是地幔流体与围巖的作用结果，对地幔流体迁移方式的研究有助于对地幔交代现象的理解。

• pyritic phyllic alteration gold deposits are mainly located in the center of structure altered zone of anatexis granite or metasomatism granite.

  黄铁绢英巖金矿主要赋存在以胶东群为交代基体的重熔花岗巖或交代花岗巖的构造蚀变带中心。

• gold grains with fine crystallization in the ore, diffusion metasomatism is weak, metal minerals are medium temperature.

  矿石中金粒结晶微细，扩散交代作用微弱，金属矿物多属中温矿物；

• 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。

• metasomatism of the granitic rocks in zhejiang province, china is investigated by petrography.

  用巖相学方法研究浙江花岗巖的交代作用。

• tectonic unit margin and intracontinental extended belt are the places of mantle fluid activity, alkali metasomatism and large deposits localization.

  大地构造单元边缘与陆内张裂活动带是地幔流体交代活动场所和大型矿床形成地。

• the skarn with special eruptive deposition and metasomatism is the main ore-bearing rock in jiama deposits.

  夕卡巖为西藏甲马铜多金属矿床的主要容矿巖石，具有独特的喷流沉积和喷流交代成因。

• the timing result of isotopic systematies reveals that mantle metasomatism was a precursory event resulting in platform activation.

  同位素体系计时结果表明地幔交代作用是导致地台活化的先驱事件。

• a study on trace element composition and distribution in minerals crystallized from mantle fluids based on the phenomenon of metasomatism in the shuanggou ophiolite is reported in this paper.

  对云南双沟蛇绿巖中存在的地幔交代作用进行的研究结果表明，由地幔流体结晶而成的矿物（单斜辉石、尖晶石、石榴石、绿泥石），其微量元素组成与分布特征受地幔交代作用过程的控制。

• one is hydrothermal metasomatism related to magmatic-derived fluids and another is hydrothermal replacement of metamorphic fluids that possibly derived from formation brines.

  滑石的成因模式主要有两类：一为与巖浆热液有关的热液交代成矿模式，另一是起源于盆地热卤水的变质流体交代成矿模式。

• fluid in the shear zones is closely related to alteration in gold deposits in metamorphic rock area. there are various types and stages of metasomatism and metasomatite in the shear zones.

  在含金断裂蚀变带中，由于剪切带流体的强烈交代作用，交代蚀变巖成为金矿的重要矿石类型。

• exsolution and metasomatism of alkaline component plays a positive role in activation, leaching and precipitating, mineralization of gold during metamorphic process.

  这一过程中堿性组分的溶出与再交代对金的活化带出与再沉淀成矿起到重要作用。

• the strong silicified rock is a product of metamorphism and siliceous metasomatism of granite genetically correlated with pangushan wolframite deposit.

  强硅化巖是与钨矿化有成因联系的花岗巖浆接触变质和硅质交代作用的产物。

• so, the origin of the ore deposits should be classified into metasomatism to fissure filling hydatopneumatoge ne- sis type of late volcanic activity or slightly later.

  因此，把矿床成因划为火山喷发晚期（或喷发期后）与火山侵入巖有关的气液交代一充填类型。