geochemical enrichment 中文意思是什麼

geochemical enrichment 解釋
地球化學富集
  1. Comparative studies of ree geochemical characteristics of various geologic bodies in the deposit indicate that the various ores and alkaline volcanic rocks contain abundant ree, specially lree the chondrite - normalized patterns of both ores and alkaline volcanic rocks show a strong lree enrichment and positive eu anomaly, in contrasting with the dolostones which show slight lree enrichment and moderately negative eu anomaly

    同期成礦流體從早期到晚期（塊狀礦石條帶狀礦石） ，輕重稀土分異變小，稀土總量增加，條帶狀礦石中稀土含量最高;礦石黃銅礦6345值變化在一0 . 3編到2 . 8 % 。范圍，顯示慢源硫特徵;菱鐵礦6 』 3c （ 8 % 。
  2. Based on regional geochemical surveying results of shalanzhan sheet, the authors deal with in this paper the application of regional geochemical data to basic geological survey in the light of element associations, surface enrichment coefficients of elements, element content ranges and petrogeochemical data

    根據沙蘭站幅區域化探掃面成果，從元素組、元素的表生富集系數、元素的含量區間、巖石地球化學資料等方面，對區域化探資料在基礎地質調查中的應用進行了探討。
  3. This important tectonic zone parallel to the isotopic geochemical steep zone, which represented a suture line between the yangtze and cathaysian blocks. the geochemical evidence of the jianshui volcanic rocks from the sw part of shizong - mile zone shows that their lithologic types are tholeiites with the comparative flat ree patterns and enrichment in th, depletion slightly in nb, ta, and flat hfse. thus, they may be formed in a back - arc basin with the characteristics between morb and island - a

    該構造帶西南段的建水火山巖地球化學特徵研究表明，該火山巖為拉斑玄武巖，具有較平坦的稀土分配型式， th較富集， nb 、 ta輕微虧損，高場強元素分佈較平坦，具有介於島弧和morb之間的地球化學特徵，可能形成於弧后盆地環境。
  4. Beginning with the features of regional geophysical and geochemical fields in bazinao - zhanggongshan area, combinied with the available data of regional basic geology, this paper has put forward five i or ii grade potential au, sn enrichment zones on the basis of geophysical and geochemical metallogenic conditions of regional strata, magmatic rocks and structures

    摘要從八字腦彰公山地區的區域地球物理場、區域地球化學場特徵分析入手，結合區內已有區域基礎地質資料，研究了區域地層、巖漿巖、構造的地球物理地球化學成礦條件，提出了5個金、錫礦i 、級資源富集遠景區。
  5. This paper has studied the ore - forming process of this ore belt and magmatic rocks, major vein rocks, wall rock alterations, trace elements and geochemical characteristics of various epochs, probed into the regularity of element enrichment and variation, and established geological - geochemical ore - prospecting criteria

    研究該礦帶成礦作用和在不同時代巖漿巖、主要脈巖、圍巖蝕變、微量元素及地球化學特徵， ?解元素富集變化規律，建立了地質地球化學找礦標志。
  6. The geochemical data of the benzilan and pantiange volcanic rocks from the jinshajiang zone yielded characteristics similar to those of island - arc volcanic rocks : intensive enrichment in lile and different depletion in hfse, nb, ta, ti, p and zr, hf. their lower e nd ( t ) values ( - 4. 03 - - 11. 29 ) indicate that they are derived from an emu mantle source or a mixing source between dm and emu respectively, but which are affected violently by subduction materials

    同位素研究顯示，它們具有較低的_ （ nd ） （ t ）值（ - 4 . 03 - 11 . 29 ） ，表明它們分別來源於富集地幔emii以及虧損地幔dm和emii兩元混合的源區，兩地的火山巖源區都受到了俯沖帶物質的強烈影響。
  7. Based on these, the enrichment mode of the geochemical elements and their distribution in space are discussed and the anomaly lower limit can be obtained and then the geochemical backgrounds 、 regional anomalies and local anomalies are distinguished

    在此基礎上，分析了元素的成礦富集規律和空間分佈特徵，確定了區域異常和局部異常的異常下限，劃分了地球化學背景、區域異常和局部異常。
  8. Huize pb - zn - ge - cd deposit is a typical ore deposit occurred in sichuan - yunnan - guizhou lead - zinc metallogenic area. the enrichment coefficient of ge and cd in main ore body reaches 6978 and 3640 respectively, which shows that dispersed elements have a special geochemical behavior in this area

    會澤鉛鋅鍺鎘礦床，是川滇黔成礦三角區富分散元素鉛鋅礦床的典型代表，其主礦體中鍺、鎘的富集系數分別可達6978和3640 ，顯示了分散元素在該區有著獨特的地球化學行為。
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