元素地球化学

  • 网络element geochemistry
元素地球化学元素地球化学
  1. 大西洋中脊TAG热液活动区中热液沉积物的稀土元素地球化学特征

    Rare earth element geochemistry of hydrothermal sediment from the tag hydrothermal field , mid Atlantic Ridge

  2. 元素地球化学研究表明,该岩体略为富集LREE,Eu的亏损不明显,表明岩浆结晶分异作用较弱;

    According to the element geochemistry , these mafic dykes are characterized by moderate LREE enrichment and no obvious Eu anomalies , which means the weak magmatic fractionation .

  3. 中太平洋富钴结壳Co元素地球化学特征

    Cobalt geochemistry features in Co-rich crust in the central Pacific Ocean

  4. 红岗段中上部(亚段B、C)的元素地球化学特征变化较为频繁且幅度很大,反映古气候和湖盆沉积条件的迅速变迁。

    Submembers B and C are characterized by large variations in geochemical features , which reflect rapid fluctuations in palaeoclimate and sedimentary conditions .

  5. 华北式(G层)铝土矿稀土元素地球化学特征及其地质意义

    Geochemical characteristics of the rare earth elements in North China pattern ( g strata ) alumina ores and their geological significance

  6. 不同REE类型中的萤石稀土元素地球化学特征具有连续变化的规律。

    The REE geochemical features of the three types have continuous change regularities .

  7. CCSD主孔金红石与石榴子石中锆石包裹体的Hf元素地球化学特征

    Hf Geochemistry of Zircon Inclusions in Rutile and Garnet from the CCSD

  8. 西秦岭泥盆系Au背景值的确定、元素地球化学特征及地质意义

    Determination of the Au background value and Au geochemistry in the Devonian of the West Qinling and their geological significance

  9. 本文对采自EPR13°N现代海底热液活动区附近的两个沉积物岩心分别进行了元素地球化学分析,并结合沉积物中有孔虫壳体对岩心进行关键层位14C年代学研究。

    Two sediment cores from the hydrothermal fields near the EPR 13 ° N were chosen for systematic elemental geochemical analysis .

  10. 它们的主量、微量和稀土元素地球化学研究表明,用于锆石U-Pb定年的浅色体是深熔成因的。

    The results of the major - , trace - and rare earth-element geochemistry indicate that the leucosome for dating the U-Pb age was derived from anatexis .

  11. CCSD主孔榴辉岩中磷灰石的矿物化学特征及对榴辉岩中F、Cl、Sr等元素地球化学行为的影响

    On the Mineral Chemistry of Apatite in Eclogites From the CCSD Main Borehole and the Geochemical Behaviors of F , Cl , Sr and Other Elements in Eclogites

  12. 其具有独特的元素地球化学特征:K、Ti元素在黑色页岩中的含量高于底部硅质岩,而P元素的含量却相反,硅质岩中的含量显著高于其上覆的黑色页岩;

    Special geochemical characteristics of the elements that potassium and titanic element contents in black shale are higher than silicalite at base , but phosphor element is contrary in content , which in silicalite is significantly higher than overlying black shale ;

  13. 青河片麻岩的元素地球化学和Nd-Sr同位素组成特征表明其原岩形成于岛弧构造环境。

    Geochemical characteristics and Nd-Sr isotopic compositions of gneisses show formation in island arc setting .

  14. 本文从SrNdPb、UPb同位素及岩石化学、稀土元素地球化学方面讨论了燕辽地区中生代火山岩的年代学特点、成因及形成的构造环境。

    Based on the Sr-Nd-Pb and U-Pb isotopes , the petrochemistry and the rare earth element geochemistry , this paper discussed the chronological characteristics , the genesis and the tectonic environment of the Mesozoic volcanic rocks in the Yanshan-Liaoning region , northeastern China .

  15. 长江与黄河沉积物金属元素地球化学特征及其比较长江与黄河沉积物REE组成特征与世界其他河流沉积物REE特点一致,它们也可作为河流入海物质组成代表。

    GEOCHEMISTRY OF METALS IN SEDIMENTS FROM CHANGJIANG RIVER AND HUANGHE RIVER AND THEIR COMPARISON REE compositions of the Yangtze and the Yellow river sediments can be used as indicators of matter entering sea of rivers in the world .

  16. 运用电离耦合等离子体质谱、X射线荧光光谱、带能谱仪的扫描电镜和逐级化学提取等技术,对贵州西部晴隆矿区晚二叠世K6煤层的元素地球化学特征进行了研究。

    Geochemical characteristics of the Late Permian K6 Coal seam in the Qinglong Mine of western Guizhou Province were studied by such methods as inductively-coupled plasma-mass spectroscopy , X-ray fluorescence spectrometry , scanning electron microscopy equipped with energy-dispersive X-ray , and sequential chemical extraction .

  17. B.格里戈良分带指数的综合方法,建立了矿体元素地球化学和黄铁矿晶体形貌的分带模式,并以此作为对开拓的矿体下延深度和矿化露头进行评价的依据。

    By using a comprehensive method including cluster analysis , factor analysis , correspondence analysis and zoning index , a zonation pattern of ore clement geochemistry and crystal form of pyrite is established and used as basis for evaluation the depth extent and mineralized outcrop of the orebody under development .

  18. 本次工作的目的是通过研究ErnestHenryIOCG矿床中一些特定矿物的微量元素地球化学特征和矿床的物理化学特征去认识ErnestHenryIOCG矿床的成矿条件和形成过程。

    The aims of this work are to investigate the formation of Ernest Henry IOCG and to understand the ore-forming process of Ernest Henry IOCG deposit by using trace element geochemistry of specific mineral and study on the physical and chemical characteristics of Ernest Henry IOCG deposit .

  19. 中太平洋北部锰结核沉积化学的研究中太平洋YJC海山富钴结壳矿物组成与元素地球化学

    THE STUDY OF SEDIMENTARY GEOCHEMISTRY OF MANGANESE NODULES IN THE NORTHERN PART OF THE CENTRAL PACIFIC OCEAN Mineral composition and element geochemistry of Co-rich crust from the YJC sea mount in the Central Pacific Ocean

  20. 岩石学、元素地球化学和Sr-Nd-Hf-U-Pb同位素的综合研究显示,武平花岗质杂岩体是由形成时代和成因不同的黑云母花岗岩和含石榴子石花岗岩组成。

    Detailed petrologic , geochemical and Sr-Nd-Hf-U-Pb isotopic researches indicate that the Wuping granitic complex consist mainly of biotite granite and garnet-bearing granite with different formation age and petrogenesis .

  21. 银山西区铜金铅锌矿床微量元素地球化学特征

    Study on minor elements of Yinshan Xiqu cu-au-pb-zn deposit , Jiangxi

  22. 第四系覆盖区元素地球化学制图方法新探讨

    Method of element geochemical map production used in Quaternary cover areas

  23. 金伯利岩微量元素地球化学特征与含金刚石程度的判别

    The trace-element geochemical characteristics and discrimination of diamond content in kimberlites

  24. 南海深海铁锰微粒的元素地球化学特征

    Geochemistry of elements in ferromanganese particles at depths of South Sea

  25. 桂西南不同地层土壤的元素地球化学特征

    The Geochemical Characteristics of Soil Elements of Strata in Southwestern Guangxi

  26. 山东和辽宁金伯利岩的稀土元素地球化学特征

    REE Geochemistry Characteristics of Kimberlites in Shandong and Liaoning , China

  27. 在元素地球化学分类中,钛属铁族元素,在内生作用过程中;

    Titanium belongs to Ferrum earth family in geochemical element classification .

  28. 华南低温热液脉状萤石矿床稀土元素地球化学特征

    REE geochemical characteristics of epithermal vein fluorite deposits in South China

  29. 长江三峡巫山地区第四纪沉积物元素地球化学特征

    Geochemistry Characteristics of Quaternary Sediments from WuShan District in Three Gorges

  30. 东坪式金矿床碲的元素地球化学

    Geochemistry of tellurium in the Dongping-type gold deposits in northern China