• 基本上弄清空腔靶源区、向X光发射特性

    The characteristics of X-ray emission from source region and implosion region were obtained.

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  • 上述特征表明这些火山岩来源于富集地幔源区

    The geochemical characters mentioned-above indicate that potassic volcanics in study areas should be drived from enriched mantle sources.

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  • 研究结果认为:鄂尔多斯中生代盆地具有多源区

    It suggested that there were multiple sediment source areas in the Mesozoic Ordos basin.

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  • 中生界砂岩碎屑组分分析表明源区大别造山带

    Detrital composition analysis of the Mesozoic sandstones indicates that their provenance is the Dabie orogen.

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  • 曲线表现为整体特征,表明源区为富集地幔。

    These characteristics indicate that the source of the volcanic rocks is the enriched mantle.

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  • 造成断流主要根源源区水资源的贫乏湖面蒸发

    Among which, shortages of water resource and lake surface evaporation are the major reasons.

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  • 锆石年龄多组性表明了本区基底演化源区物质复杂性

    The wide range of ages of older zircon reflects the complex tectonic evolution of the basement in the area and multi-source material.

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  • 长度源区产地效应很小一定地理变异趋势

    There were very small effect of seed source and no definite geographic pattern in tracheid length.

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  • 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 source of the studied mafic dikes may be the enrichment mantle that was modified by subduction metasomatic fluids.

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  • 西南东北物源研究继承性持续时间长的重要源区

    The southwest and the northeast provenance was the important provenance district that had good inheriting characters and affected for a long time.

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  • 因此研究拉斑玄武岩源区岩石中的微量元素特征可以采用元素比值方法。

    Therefore, the element ratios can be applied to the study of trace element characteristics of rocks in the tholeiite source region.

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  • 东南地幔控制矿床岩体时空分布区域成矿分带成矿岩浆源区

    The mantle plume controlled the distribution of rocks and ore deposits, regional metallogenic zoning and metallogenic magma source in the southeastern Hunan province.

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  • 赤道附近传播扰动声波源区附近存在非传播的扰动。

    Whereas in the vicinity of solar equator, propagating disturbance is regarded as fast mode wave, and a standing disturbance is found to be located near the source region.

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  • 利用岩石地球化学可示踪性研究高镁火山岩浆源区特征岩浆演化

    Using the tracer ability of petrogeochemistry, the paper discusses on source characteristics and magma evolution of the high-Mg volcanic rocks.

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  • 应用恢复生态学原理提出了三江退化高寒草地生态系统恢复重建模式

    Then, using the principles of the restoration of ecology, proposed the alpine meadow degradation ecosystem restoration and reconstruction pattern in the source region of three rivers.

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  • 微量元素同位素特征显示,玄武岩起源于与洋岛玄武岩源区相似富集地幔

    According to the characteristics of trace elements and isotope, the source of the basalt is similar to the OIB source.

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  • 元素地球化学分析表明火山岩具有同一岩浆源区形成部分熔融方式为主

    Based on the analysis of element geochemistry, the volcanic rock series have same magma source and the formation of the rocks is mainly in the form of partial melting.

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  • 火山岩元素地球化学特征反映岩浆来自富集地幔源区存在的混染作用。

    The element-geochemical features reflect that the magma comes from enriched mantle and that hybridism of continental crust occurs in the source area.

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  • 组构沉积特征源区综合分析表明,横丹浊积岩系为弧前盆地充填物

    An integrated analysis of the facies sequence, fabrics, sedimentary characteristics and provenance indi-cates that the Hengdan turbidite sequence is turbidity sediments fillings.

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  • 本区火山岩应主要来自上地幔,而房身泡源区相对较,可能有下地壳物质混人。

    The volcanic rocks resulted from upper mantle in Mesozoic group, and volcanic rocks from lower crust in Palapene system.

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  • 岩浆源区再循环玄武存在可能该区超大型钒钛磁铁矿床形成的根本原因。

    The existence of recycled basaltic oceanic crust in the axial zone of mantle plume may be the key of the formation of giant V-Ti-magnetite deposits.

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  • 此外针对三江湿地生态系统退化机制存在主要问题提出合理利用保护对策

    In addition, Measures on reasonable utilization and conservation are put forward on the basis of degradation mechanism and problem of wetlands ecosystem in Sanjiangyuan region.

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  • 由于这种作用影响,使钾质煌斑岩的源区地幔处于地温梯度度高的不稳定状态。

    Under the influence of the subduction, the source mantle of the potassic lamprophyres has a high geothermal gradient and oxygen fugacity.

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  • 表明岩浆起源于俯冲组分改造影响地幔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.

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  • 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.

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  • 因此花岗岩地质学复杂话题之一,因为源区岩石多种多样形成过程非常复杂

    Therefore, granitoid is one of the most difficult topics in geology due to its complex sources and formation processes.

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  • 微量元素同位素地球比学资料表明黄椅山玄武岩地幔源区的同位素组成与原始地幔近似

    All of the rare element and isotope characteristics of the Huangyishan basalts are similar to that of the original mantle of the Earth.

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  • 认为火山岩成分分异受长石岩浆源区熔融残留岩浆形成黑云母的结晶分离双重控制

    The chemical variation of the volcanics are controlled by both residual of plagioclase in the melting source area and crystal fractionation of biotite after magma formation.

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  • 矿层位的富沉积砂体源区富铀岩体、石炭系碎屑岩以及火山碎屑岩等,构成铀成矿

    Uraniferous sandstone accumulated during the deposition and the uranium leached from the source area rocks by weathering are main sources for uranium mineralization.

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  • 矿层位的富沉积砂体源区富铀岩体、石炭系碎屑岩以及火山碎屑岩等,构成铀成矿

    Uraniferous sandstone accumulated during the deposition and the uranium leached from the source area rocks by weathering are main sources for uranium mineralization.

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