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hydrothermal minerals
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  热液矿物
     (2) Experimental determination of REE mobility and fractionation as a function of T, P, pH, Eh and water/rock ratio; (3) Investigation of the mechanism and controlling factors of REE partitioning between hydrothermal minerals and fluids.
     ②REE在热液矿物与流体相之间的分异机制及控制因素 ; ③T、P、pH、Eh和水 /岩比如何影响REE的活动性和分异行为。
短句来源
     H. Ohmoto in 1972 demonstrated that the isotopic composi- tion of sulfur in hydrothermal minerals is strongly associated with fO_2, pH, temperature and the mean total sulphur isotppe composition of hysrothermal fluids.
     H,Ohmoto 1972证实过,热液矿物中的硫同位素组成主要是受溶液中的氧逸度,pH值,全硫平均同位素组成和温度控制。
短句来源
     High temperature hydrothermal sulfide is composed of high temperature hydrothermal minerals rich in metal elements, such as Fe, Zn, Cu, Pb . The oxygen isotope conversion temperature of this kinds of sulfide is very hig h or mid-high.
     高温热液类型的硫化物 ,由高温热液矿物组成 ,除本身富含 Fe,Zn,Cu,Pb等金属元素外 ,氧同位素换算温度也表现最高或中高 ;
短句来源
     The deposited hydrothermal minerals are richer in Ce and Eu than the solution,and a second fractionation between HREE and LREE occurs during the process of minerals deposition.
     沉淀过程中热液矿物和热液相比应相对富集Eu和Ce,并再次发生轻重稀土的分馏。
短句来源
     The models of isotopic reservoir effects for the closed system, at least, can provide an approximate estimation of the spatio-temporal variation for the isotopic compositions of natural hydrothermal minerals, and is effective for some (semi-) open systems or mineralizing periods which are closed for isotopic compositions other than ore-forming material.
     封闭体系的同位素储库效应模式至少可为预测天然热液矿物同位素组成的时空变化规律提供近似的估计方法,而对于那些同位素封闭的(半)开放体系或成矿期则是十分有效的。
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  “hydrothermal minerals”译为未确定词的双语例句
      ̄(40)Ar/ ̄(39)Ar LASER MICROPROBE DATING ON HYDROTHERMAL MINERALS FROM DUOBAOSHAN PORPHYRY COPPER MINING DISTRICT, HEILONGJIANG PROVINCE, CHINA
     多宝山斑岩铜矿区水热蚀变矿物的激光显微探针~(40)Ar/~(39)Ar定年
短句来源
     THE CHARACTERISTICS OF THE HYDROTHERMAL MINERALS: KAOLINITE, DICKITE AND NACRITE IN CHANGBAI COUNTY, JILIN PROVINCE
     吉林省长白县热液型高岭石、地开石和珍珠石的矿物特征
短句来源
     A Preliminary Discussion on the Extensiveness of Hydrothermal Activity Based on the Discovery of Hydrothermal Minerals in Cantral Pacific Ocean
     从太平洋中部热液矿物的发现探讨热液活动的广泛性
短句来源
     Hyperspectral Mineral Mapping is a new concept, and it is used to characterize one or some hydrothermal minerals and their relative content on the ground.
     高光谱矿物填图是一全新概念,其目的是确定某一或某些矿物在地表上的分布及其相对含量变化。
短句来源
     2. The sediments are mainly amorphous in core B13-26. The crystallized minerals can be divided into two groups: the normal pelagic minerals and hydrothermal minerals.
     3.在元素沉积地球化学上,B13-26岩芯沉积物含有丰富的热液特征组分,绝大多数微量元素和REE都与Fe和Mn成较强的正相关关系,而与Al、Na、Ca、Mg、Ti相关性较弱,或呈负相关,说明这些微量稀土元素的富集机制主要是热液成因非晶质Fe-Mn化合物对热液及海水中元素的吸附作用。
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  相似匹配句对
     HYDROTHERMAL SEDIMENTARY ROCK AND INDICATORS OF MINERALS AND ROCKS
     热水沉积岩及矿物岩石标志
短句来源
     Hydrothermal Eruption
     水热爆炸
短句来源
     THE EVOLUTION, OF MINERALS
     矿物演化
短句来源
     ON HYDROTHERMAL ROCK
     关于热液岩
短句来源
     The third is hydrothermal stage after metamorphism resulting in crack - fillingsulfur minerals.
     第三期为后期热液阶段形成的裂隙充填式硫化物。
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  hydrothermal minerals
M-type shocks are thought to be due to resonance vibrations within the interior of the volcano, probably driven by the excitation of shock-waves within cavities deeply affected by deposition and alteration of self-sealant hydrothermal minerals.
      
K-Ar datability of altered rocks: variability of excess Ar in hydrothermal minerals
      
than any other hydrothermal minerals reported to date.
      
Detailed K-Ar and 40Ar/39Ar geochronology on volcano-plutonic rocks and hydrothermal minerals were carried out to constrain magmatic and hydrothermal events.
      
Short-wave infrared (SWIR) reflectance spectroscopy was used to characterize hydrothermal minerals and map alteration zones in the Tuwu Cu-Au deposit, Xinjiang, China.
      
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The Gaotaigou boron deposit occurred in the metamorphic rocks of the Xinkaihe Formation of the Proterozoic Jian Group, and its occurrence is conformable with the strata. Ore-bodies lay in serpentinite and magnesite—serpentinite of the middle and upper part of ore—bearing beds.There is a gradual transition between the ore-bodies and ore—bearing beds, and iss directly proportional to each other in thickness. Boron—bearing minerals are chiefly boromagnesite and ludwigite. Residua of metamorphic minerals...

The Gaotaigou boron deposit occurred in the metamorphic rocks of the Xinkaihe Formation of the Proterozoic Jian Group, and its occurrence is conformable with the strata. Ore-bodies lay in serpentinite and magnesite—serpentinite of the middle and upper part of ore—bearing beds.There is a gradual transition between the ore-bodies and ore—bearing beds, and iss directly proportional to each other in thickness. Boron—bearing minerals are chiefly boromagnesite and ludwigite. Residua of metamorphic minerals and hydrothermal mineral assemblage are also observed. All the fractures and veins crosscut the ore-bodies and are later than metallogensis. Boron is derived from sediments, and its concentration coefficient is 3—47 in the metamorphic rock, but there is a higher degree of concentration in magnesian marble and serpentinite, and the concentration coefficient is up to 33—1033. The content of B_2O_3 increases with that of MgO. This Boron deposit pertains to a sedimentary—metamorphic one underwent a regional migmatization and hydrothermal process.

在六十年代初期,对吉南地区硼矿成因曾有不同认识,当时流行着内生硼镁石矽卡岩及混合岩化等成因观点。吉林局则认为是沉积变质成矿,并依此观点指导找矿,取得成效。一九六四年及一九六六年编制的“吉林省集安县高台沟硼矿地质勘探报告”中指出:硼矿的成因是沉积变质,后经混合岩化作用及其热液迭加改造而成矿。地层中硼元素的来源可能与海底火山喷发有关。一九七一年《吉林地质》第3期(当时系内部刊物)上撰文发表,文中列举了大量实际资料,论证了沉积变质成矿的特点。为向广大读者提供硼矿成因材料,现把一九七一年发表的文章重新刊出。

Sulfur isotope composition of minerals are used to interprete origin of ore deposits. H. Ohmoto in 1972 demonstrated that the isotopic composi- tion of sulfur in hydrothermal minerals is strongly associated with fO_2, pH, temperature and the mean total sulphur isotppe composition of hysrothermal fluids. Therefore, in a genetic study, to estimate the to- tal sulphur isotpe composition of fluid is essential for application of sulphur isotope data of minerals. Assuming a closed system of minera- lization...

Sulfur isotope composition of minerals are used to interprete origin of ore deposits. H. Ohmoto in 1972 demonstrated that the isotopic composi- tion of sulfur in hydrothermal minerals is strongly associated with fO_2, pH, temperature and the mean total sulphur isotppe composition of hysrothermal fluids. Therefore, in a genetic study, to estimate the to- tal sulphur isotpe composition of fluid is essential for application of sulphur isotope data of minerals. Assuming a closed system of minera- lization and following the principle of isotopic mass balance, we pre- sented a method of regressive analysis for estimation of mean isotopic composition of total sulfur in solution and worked out a correspon- dent computer program for this purpose.

含硫矿物的硫同位素组成曾被用来解释矿床的成因。H,Ohmoto 1972证实过,热液矿物中的硫同位素组成主要是受溶液中的氧逸度,pH值,全硫平均同位素组成和温度控制。因此,当利用硫同位素资料去讨论矿床成因时,我们必须首先估计热液溶液中的全硫平均同位素组成。本文假设,矿化过程中溶液中的硫是处于一个封闭的系统中,根据同位素物质平衡原理,我们提出利用回归分析法来估计溶液中的全硫平均同位素组成,并设计了专用的计算机程序。

Thoroughgoing studies of the homogenization temperatures, pressures and chemical compositions of fluid inclusions and the stable isotopes of hydrothermal minerals (quartz, calcite, pyrite and molybdenite) have thrown light on the evolution trend of the molybdenum-bearing hydrothermal system which originated from magmatic processes and underwent significant mixing with meteoric waters in the later stages of hydrothermal activities.

矿物包裹体(包括温度、压力、盐度及成分)的研究表明南泥湖-三道庄钼(钨)矿床成矿热液的温度、盐度与K~+、Ca~(2+)、SO_4~(2-)等从早阶段到晚阶段均有逐渐降低的趋势。稳定同位素的研究表明成矿溶液的来源,早期以岩浆水为主,晚期以大气水为主。

 
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