部分熔融

实验结果显示，在部分熔融过程中，尖晶石的Mg＃，即Mg/（Mg+Fe），和Cr＃，即Cr/（Cr+Al），随熔融度的增大而增大；

Experimental results show : ( 1 ) during partial melting , Mg # and Cr # of spinel increase with increasing degrees of melting ;

低REE组和高REE组煌斑岩分别是交代富集地幔约10%和4%部分熔融的产物。

Low REE group and high REE group lamprophyres are 10 % and 4 % partial melting of the metasomatic enriched mantle .

包体为部分熔融形成寄主花岗岩岩浆的源区岩石残余。

The enclaves are remnants of rocks which partially melted to form granitoid magma .

另一类由玄武质岩浆底侵下地壳时发生部分熔融或下地壳拆沉作用成因（C型）。

The C-type adakite is formed by the partially melting of basaltic lower crust under the continental accretion setting or the delamination of lower crust .

冀中坳陷区的高Vp／Vs值反映出其地下物质可能呈部分熔融状态。

High Vp / Vs values in the Jizhong depression might be exhibited by partially molten magma bodies .

U、Th在低度部分熔融产生的熔体中初步富集。

- 2 production in rice during chemical plant pathogen interaction . The preliminary concentrations of U and Th occur in low degree partial melts .

晚侏罗世中基性火山岩更多来自于类似于EMI型地幔源区的部分熔融作用，俯冲交代成分贡献很弱；

The mantle source of late Jurassic mafic volcanic rocks were contributed by dominant EMI and insignificant subducted Metasomatic components ;

早白垩世基性火山岩则来自于EMI型地幔源区的部分熔融作用。

Early Cretaceous mafic volcanic rocks were derived from decompression melting of an ancient continental lithospheric mantle ( EMI ) .

结果表明：熔融双峰现象起因于DSC等速升温过程中PET的部分熔融和重结晶；

The results indicate that the phenomenon of double melting peaks during DSC analysis is due to the partial melting and recrystallization of the crystallite at the moment of thermal scanning .

熔体岩石相互作用最终导致了陆下岩石圈地幔富集SiO2，这种被含水富硅熔体改造后的地幔岩石的部分熔融可能是造成陆壳富硅富镁的主要原因。

This kind of melt-rock interaction makes the uppermost mantle enriched in Si , which might be the key to know the compositional characteristics of continental crust .

报道了一种制备YBa2Cu3O（7-δ）超导陶瓷的方法&部分熔融法。

A partial melting process used to prepare YBa_2Cu_3O_ ( 7 - δ) superconducting ceramics is reported .

上地幔流体在化学成分上明显富含CO2、硫化物、LILE和REE，它引起地幔交代作用和地幔部分熔融；

Mantle fluids are apparently abundant in CO 2 , sulfides , LILE and REE , and they cause mantle metasomatism and partial melt .

MI型花岗岩是在下地壳源岩分离熔融晚阶段、源岩部分熔融程度较高、环境较氧化的条件下形成的。

Auriferous M I granite was resulted from the late stage fractional melting of the lower crust source rock which pocessed high degree of partial melting and oxidation environment .

当温度足够高到发生部分熔融时，H2O和K2O将进入熔体相，形成富钾岩浆。

When partial melting happened at high temperatures , H_2O and K will participate into melt and form K-rich magma .

形成这种岩石地球化学特征的可能机制为：碳酸岩浆直接来源于岩石圈富集地幔的低程度部分熔融作用（F＜1%），残留地幔矿物组合以富含柘榴石为特征；

The carbonatite may be produced by mechanisms as follows : the carbonatite magma is directly formed by very low degree ( F < 1 % ) partial melting of enriched lithospheric mantle , leaving residual minerals characterized by abundant garnet ;

在花岗岩的形成和演化过程中，有五种最主要的方式造成REE的分馏作用：（1）部分熔融作用；

During the evolution of these granitoids which resulted from rejuvenation and anatexis of the old basement ( 1200-2000Ma ), the main ways for REE differentiations were : ( 1 ) partial melting ;

它是大陆地幔低度部分熔融产生的碱性玄武岩浆，通过深部AFC混合，尤其是浅部结晶分异机制形成的。

They are formed from alkali basaltic magma that slightly melted out of continental mantle by AFC mixing in depth , especially by the fractional crystallization in shallow horizon .

超高压单斜辉石（>5GPa）部分熔融产生的富钾岩浆可以解释碰撞后富钾岩浆的成因，这种富钾岩浆的形成深度一般较大（位于～100km的地幔）。

The K-rich melt that resulted from partial melting of UHP clinopyroxene could account for the genesis of post-collisional K-rich magmatism .

结合Nd、Sr同位素地球化学研究，认为本区岩浆岩是上地幔和下地壳物质部分熔融的产物，岩浆作用发生在由挤压向拉张过渡的地球化学背景。

Connecting with the study of isotopic geochemistry of Nd and Sr , it is concluded that the magmatic rocks of this region originated from partial melting within upper mantle and lower crust . The magmatism took place in the geological setting from extrusion to spread .

钙碱性玄武岩系列和拉斑玄武岩系列玄武岩具有低的REE含量和亏损的LREE配分型式，表明它是由LREE亏损和HREE略有富集的地幔部分熔融形成；

The REE of calc-alkali basalt and tholeiite are characterized by lower amounts of REE and LREE-depleted distribution pattern and which reflect that the basalts were formed by the partial melting of LREE-depleted and slightly HREE-rich mantle .

1GPa块状榴辉岩脱水部分熔融：局部熔融体系和温度的影响

Dehydration Partial Melting Experiment on Solid Eclogite at 0.1 GPa : The Influence of Localized Melting System and Temperature

随后不久，这一岩石经历了约451±18Ma的高级变质和部分熔融事件。

Shortly afterwards , at about 451 ± 18 Ma , the high-grade metamorphism and / or partial melting took place .

结合TTG的形成环境和前人研究成果，认为扬子地台西缘新元古代花岗岩是板块俯冲环境体制下玄武质洋壳部分熔融的产物。

The formation environments of TTG together with the results of previous studies imply that Neoproterozoic granites were formed by melted basaltic ocean crust under the condition of plate subduction along the western margin of Yangtze block .

高镁火山岩接近于原始岩浆的组成，岩浆源区与地球平均成分BSE的成分特征相近，起源深度为下地幔，为该地幔岩较高程度的部分熔融（＞25%）而形成的。

High-Mg volcanic rocks approach the primitive mantle compositions , and their magmatic source is close to the composition of BSE , derives from the lower mantle and formed by this type - mantle rocks ' fractional melting highly ( > 25 % ) .

当实验温度为680C时，黑云母与斜长石发生脱水熔融和部分熔融，转换成白云母、绿帘石、铁尖晶石、石英等物质成分；

At the temperature of 680 ℃, biotite and plagioclase became dehydrated-melted and partially melted , transformed into muscovite , epidote , hercynite , quartz , etc. ;

部分熔融计算表明，含有0.01%硫化物的原始地幔+0.5%的外核在7%的熔融程度下，然后又被约10%的黑色页岩混染可以模拟原始岩浆的PGE含量。

Modeling shows that a 7 % partial melt of primitive mantle containing 0.01 % of sulfides can account for the observed Os , Ir and Ru concentrations in the most primitive picrite if the melt is contaminated by 10 % of black shale en route to the surface .

层析成像结果显示出，在腾冲火山区下方的上地壳内存在明显的P波低速区，该低速区在地下7～8km深度，可能与上地壳内的岩浆囊或部分熔融体有关。

The tomographic result shows that there is a P wave low velocity zone ( LVZ ) in the upper crust beneath the Tengchong volcanic area . The LVZ is in the depth of 7 ~ 8 km and may be a small magma chamber or a partial melting body .

第三组火山岩形成于弧间盆地，由亏损的地幔楔高度部分熔融形成比N-MORB亏损的的火山岩（异常MORB）。

The third group of volcanic rocks ( VTG-III ) consists of highly depleted MORB-type lavas , and is believed to have been generated by partial melting of the depleted mantle wedge in an inter-arc basin .

以碱性熔岩为主的HT熔岩是产生于幔源石榴子石稳定区的低度部分熔融，其化学变异受控于单斜辉石（Cpx）[±橄榄石（Ol）]分离作用。

The predominantly HT alkaline lavas were generated by low degrees of partial melting in the garnet stability field of the mantle source . The chemical variation of the HT lavas is controlled by a clinopyroxene ( Cpx ) [ ± olivine ( Ol ) ] fractionation .

浑圆状锆石核部SHRIMPU-Pb谐和年龄为620Ma和219Ma，这表明该石英闪长斑岩的母岩浆可能起源于经历了超高压变质作用改造的华南地块基底物质的部分熔融。

SHRIMP U-Pb concordia ages of the cores of rounded zircons are 620 and 219 Ma , suggesting that the parental magma for the quartz diorite porphyry may have been derived from partial melting of basement materials of the South China block that had been modified by ultrahigh-pressure metamorphism .