Under the influence of the subduction, the source mantle of the potassic lamprophyres has a high geothermal gradient and oxygen fugacity.
由于这种作用的影响，使钾质煌斑岩的源区地幔处于地温梯度高、氧逸度高的不稳定状态。
The source mantle shows the HIMU nature. The asthenosphere mantle, the dehydrated ocean shell and remaining the ancient enrichmental mantle had mixed to form the source.
源区地幔具有HIMU性质，由软流圈地幔、脱水洋壳与残留岩石圈地幔混合组成，表现出富集的特征；
Wilson suggested that the long chain of volcanoes stretching northwest from Hawaii is simply the surface expression of a long-lived volcanic source located beneath the tectonic plate in the mantle.
威尔逊认为，夏威夷向西北延伸的火山长链只是一个长期存于板块下、地幔中的火山源在板块表面的表现。
Until now, some studies showed that major source of ore-forming materials come from wall rock or upper mantle.
目前，有关研究认为此类矿床成矿物质主要来源于矿床的围岩或上地幔。
The diabase and lamprophyre are typical mantle source rock while the granite pegmatite is typical crustal source rock.
其中辉绿岩和煌斑岩是典型的幔源岩，花岗伟晶岩则是典型的壳源岩。
Doleritic veins are made sure of mantle source, which did not mix with upper crust matter.
辉绿岩脉是来自于幔源，没有受到上地壳物质的污染。
The element-geochemical features reflect that the magma comes from enriched mantle and that hybridism of continental crust occurs in the source area.
火山岩的元素地球化学特征反映岩浆来自富集地幔，在源区存在陆壳的混染作用。
The results of Petrological Mixing Calcula-ting show that the mantle source rocks of the Jijie complex is obviously depleted in incompatible elements.
岩石学混合模拟计算表明，地幔源岩具有明显亏损特征；
It shows that the magma was derived from the upper mantle which was altered or affected by subduction composition, and the mantle source was of chemical inhomogeneity.
这表明岩浆起源于受俯冲组分改造或影响的上地幔，且地幔源区存在明显的化学不均一性。
Deep source gas refers to inorganic genetic gas or abiogenic gas which comes from deep crust or upper mantle, and has apparent geology and geochemistry characteristics.
深源气是指来自地壳深部或上地幔的无机成因天然气或称非生物成因天然气，它具有明显的地质地球化学特征。
Mafic igneous rock, a widely distributed and typical mantle-derived rock, has become a major research source for revealing possible mechanisms for the chemical evolution of the mantle.
镁铁质火成岩作为分布最为广泛的典型幔源岩石，已成为探索地幔化学性状及示踪岩石圈深部过程的主要研究对象。
Leucite tephrite was derived from the more enriched mantle source with lower degree of partial melting of mantle source than alkaline olivine basalt.
相对于碱性橄榄玄武岩，白榴石碱玄岩来自于更加富集的地幔源区，其地幔的部分熔融程度相对较低。
The mantle plume provided benefiting heat source and structure conditions for the deep melting of metallogenic magma, differentiation and shallow emplacement.
湘东南地幔柱为成矿岩浆的熔融、分异演化和浅部就位提供了有利的热源和构造条件。
The calculated results of temperature and pressure from mineralogical chemistry show that magmatic source should lie in crust-mantle intermediate zone.
从矿物化学所获得的温度-压力计算结果表明：岩浆来源应位于壳幔过渡带。
The source area of K-rich magmatic rocks in the Dabie area is closely related to the enriched mantle, while the rocks in the lower Yangtze Valley area are more affined to the lower crust.
大别地区富k岩系的源区与富集地幔密切相关，下扬子地区的则与下地壳有更多亲缘关系。
Its formation was related to the intrusion of basic magma(mantle source)to multi-time intrusions of basicly medium to medium magma which differentiated from the same magma. The co…
该超单元的形成与幔源基性岩浆上侵及同源岩浆分异产生的中偏基性—中性岩浆多次侵入有关，属热气球式膨胀与火山口塌陷复合就位机制。
These characteristics indicate that the source of the volcanic rocks is the enriched mantle.
曲线表现为整体上隆的特征，表明其源区为富集地幔。
The source of the studied mafic dikes may be the enrichment mantle that was modified by subduction metasomatic fluids.
其源区可能为与俯冲流体有关的富集地幔，有待于进一步研究。
The east China continent located over the heat source of the lower mantle was uplifted, broken and drifted toward the ocean.
位于下地幔源热区之上的中国东部大陆，发生隆起、破裂、向洋漂移。
It is revealed that the source of different types of metallogenetic granitic assemblages is mainly crustal materials, with mantle material adding.
揭示了不同岩石组合谱系类型成矿花岗岩类的岩浆源岩主要是地壳物质，具有地幔和地壳双重物源的特征。
The mantle plume controlled the distribution of rocks and ore deposits, regional metallogenic zoning and metallogenic magma source in the southeastern Hunan province.
湘东南地幔柱控制矿床与岩体的时空分布、区域成矿分带和成矿岩浆源区。
The ratios of incompatible elements reflected that the magma source departed from the composition of primary mantle and had the characteristics of the enriched metasomatic mantle.
强不相容元素比值反映岩浆源区明显偏离原始地幔组分，具有富集型异常地幔岩浆源区特征。
Lead is crust and mantle source.
铅为壳幔混合源。
Oracle has gleefully taken up the mantle of open source villain, and Microsoft's new public stance may help it take some business away from its rival.
Oracle欢欣地担起了开源大敌的角色，微软的新公众立场也许有助于它赢取多一点的销售业绩。
Only one ore sample is compositionally close to mantle inclusion, chondrite mantle or komatiite, indicating the property of deep mantle source.
仅有一件矿石样品与地幔包体、球粒陨石地幔或科马提岩接近，暗示其深部地幔源区的性质。
The lithosphere-asthenosphere interaction zone is also a major component of the magma source, which consists predominantly of asthenospheric mantle and in the main contains no crustal component.
岩石圈-软流圈的作用带也是重要的岩浆源区，源区是以软流圈地幔为主，基本不含地壳组分。
Sulfur isotope studies demonstrate that sulfur was derived from the mantle, and oxygen isotope analyses reveal that the fluid of the deposit was a mixed source of magmatic water and atmospheric water.
同位素研究表明，矿层中硫来源于地幔，而氧同位素则显示其成矿过程有大气降水的参与。
The metallogenic source material comes from the upper mantle and the lower crust.
成矿物质来源于上地幔和下地壳。
The analysis indicates that the high-Mg volcanic rocks in the Sihetun area result from the collective function of Mantle-derived lava and Crust-source materials.
分析表明：该地区高镁火山岩是幔源岩浆和地壳物质共同作用的结果。
The analysis indicates that the high-Mg volcanic rocks in the Sihetun area result from the collective function of Mantle-derived lava and Crust-source materials.
分析表明：该地区高镁火山岩是幔源岩浆和地壳物质共同作用的结果。
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