岩浆成分

火山碎屑堆积物中的浮岩岩石化学分析结果表明岩浆成分为粗面质。

Petrochemistry analysis of pumice component indicates that the magma can be assigned to trachytic magma .

金川岩体母岩浆成分及其分离结晶过程的熔浆热力学模拟

Parental Magma Compositions of the Jinchuan Intrusion , Gansu Province and MELTS Thermodynamic Modelling of Fractional Crystallization

形成晶体的碳质来源不均一，反映了中元古代华北陆台下地壳岩浆成分的不均一性。

Heterogenity of the carbon source implies the magma beneath the North China platform was not homogeneous at Late Mesoproterozoic .

据此，我们认为萨西斯隆起前后，构成熔岩平原的岩浆成分发生了变化。

We showed the magma composition changed in the lava plains of STB before and after the uplift of Tharsis .

华北某些富磷碱性-偏碱性杂岩岩浆成分和熔体结构与含矿性关系

Magma chemistry , melt structure and phosphorus potential of the P-rich ( potassic ) alkaline complexes in some areas of northern China

斜长石粒度分布的体视学特征显示，在对流条件下，岩浆成分通过晶体与熔体的差异运动而发生变异。

The stereology characteristics of plagioclase indicate that the component of magma changed through differential movement between crystal and melted with convective condition .

影响韵律形成的因素很多，通常包括岩浆成分、对流作用、扩散作用、热梯度、氧逸度、温度和压力等。

These factors include magma composition , convection , diffusion , thermal gradient , oxygen fugacity , temperature , pressure , the shape of magma chamber etc.

其成分为高Fe（Fe+Mg）值和贫Ti、Na、Mg、Al，由此反映了花岗岩残余岩浆的成分特点。

Chemically they have higher Fe / ( Fe + Mg ), and are poor in Ti , Na , Mg , and Al reflecting the compositional characters of granitic residual magma .

岩浆岩成分中碱质含量较高，铁质含量较低。

The alkali content in the composition of magmatic rock was more , iron content was less .

分离结晶作用和部分熔融作用，是控制玄武岩浆化学成分变异的两种主要方式。

Both fractional crystallization and partial melting are important processes that control the variation of chemical composition of basaltic magma .

铌钽矿的韵律式带状构造由Beauvoir花岗岩的复杂的结晶过程引起，主要的影响因素可能有：岩浆的化学成分和岩浆结晶的物理化学条件的周期性变化。

Rhythmical zoning in columbite crystals is attributable to the complex crystallization history of the Beauvoir granite . The major factors controlling rhythmical zoning are considered to be the periodic variations in chemical composition of the granitic magma and of the physico-chemical conditions for magmatic crystallization .

湘南地区岩浆岩化学成分多元统计规律

Multivariable statistical rule of chemical composition of the magmatic rocks of southern Hunan

各岩石区之岩浆岩化学成分既有关联性又有差异性，表现在岩浆岩的酸度和碱度具有明显的变异。

The chemical compositions of the magmatic rocks from the three petrofacies provinces show both similarities and differences as revealed by the strikingly different acidity and alkalinity of the rocks .

岩浆包裹体化学成分研究

On Study of Chemical Compositions of Magmatic Inclusions

岩浆岩的化学成分特别是微量元素的含量及分布特征反映了其物质来源和大地构造背景。

The chemical compositions of magmatite reflect the material source and the tectonic background , especially the content and distribution of microelements .

岩浆岩岩石化学成分、岩浆分异程度、成因类型的不同，导致了金银成矿的显著差异；

The differences of chemical component of magmatic rocks , magmatic differentiation degree and genetic types caused the remarked differences of Au-Ag mineralization .

提出了用微量元素丰度关系探索幔源岩浆岩源区成分特征的原理、推论和方法。

This paper discusses the discrimination principles , deductions and methods for probing into the features of the source composition of mantle-derived magma .

硅酸盐熔体或铝硅酸盐熔体是岩浆熔体的主要成分，因此，对其结构进行研究，对于深入认识和探讨岩浆熔体的性质以及岩浆作用的过程具有十分重要的意义。

Since silicate melts and aluminosilicate melts are the main components of naturalmagma , the study of their structure is very important to exploring the properties ofmagma and the igneous processes .

金川铜、镍（含PGE）岩浆硫化物矿床母岩浆成分的估计

Estimation for chemical composition of parent magma of Jinchuan Cu ni ( pge ) magmatic sulfide deposit

次级断裂控制斑岩的形态、产状和矿化定位。地质地球化学资料表明，成矿物质主要来源于岩浆，受岩浆的化学成分和成矿元素丰度的影响。

Geological and geochemical data indicate that the ore forming materials were principally originated from magmatism and influenced by its chemical composition and abundances of elements .