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。
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.
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 element-geochemical features reflect that the magma comes from enriched mantle and that hybridism of continental crust occurs in the source area.
深部流体的研究将对地幔柱(羽)的活动、幔源岩浆的形成、全球动力学过程及成矿作用作出贡献。
The study on deep fluids will contribute to the understanding of plume activity, generation of mantle magma, the global geodynamic processes and metallogenesis.
研究由玄武岩岩浆携带到地表的幔源橄榄岩包体可以获得上地幔的许多信息。
In North and Northeast China widely developed mantle-derived peridotite xenoliths, which were carried to the surface by alkali basaltic magma.
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 mantle plume controlled the distribution of rocks and ore deposits, regional metallogenic zoning and metallogenic magma source in the southeastern Hunan province.
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。
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.
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。
It is revealed that the source of different types of metallogenetic granitic assemblages is mainly crustal materials, with mantle material adding.
这说明它们是在地幔柱轴部,由地幔岩和榴辉岩(古玄武质洋壳)组成的源区产生的岩浆形成的。
The evidences indicate that the magmas are formed by melting of pyrolite and eclogite (ancient basaltic oceanic crust) in the axial zone of mantle plume.
它们可对地幔结构、地幔脱气历史、大陆地幔不均一性、幔源岩浆演化和CO2天然气成因等研究提供独特的示踪作用。
They can be used to track the mantle structure, degassing history, inhomogeneity, magma evolution and the genesis of natural CO2.
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。
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。
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.
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