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1.This region is demonstrated as a geochemical region with high fluorine through studies on the fluorine contents of soils,magmatic rocks and the Archean?Cenozoic strata geochemical profile.
通过该区太古界一新生界氟的地层地球化学剖面及岩浆岩和土壤中氟的丰度的研究,论证了该区为一高氟的地球化学区。收藏指正
2.The geochemical characteristics of longitudinal profile show that the iso contents shapes of Au,Ag,Cu,Pb,Zn,As,Sb,W are “U” type, and the contents become lower from upper lever to lower, and like as “rear halo”.
纵投影剖面的地球化学反映出Au 、Ag 、Cu 、Pb 、Zn 、As 、Sb 和W 等元素均形成向上开口的“U”形,含量上高下低,向深部晕的规模逐渐减小,强度减弱,垂向上具有尾晕的地球化学特点。收藏指正
3.GEOCHEMICAL CHARACTERISTICS OF TRACE ELEMENTS IN LATERITIC REGOLITH PROFILE OF GRANODIORITE IN ANTOUM AREA,LAO PDR
老挝南部安东花岗闪长岩砖红土型风化壳分带及微量元素地球化学特征收藏指正
4.At last, according to statistical principle , and combined with geochemical characteristics and the condition of production at large scale of soil down profile, it is pointed out that the reasonable depth of soil sampling in I environment is - 150 - - 180cm in this region.
最后,根据数理统计原理,结合区域内土壤垂深剖面的地球化学特征和大规模生产的条件,指出区域内土壤第Ⅰ环境的合理采样深度为-150--180cm。收藏指正
5.The 14C age dating method was applied to study the deposited age of the Jiangbei conglomerate in Youxi profile,Jiangjin. The geochemical characteristics of oxides such as MgO,CaO,Fe2O3,FeO,Fe2O3/FeO were analyzed.
本研究采用14C法对江津油溪剖面江北砾岩胶结年代进行测定,用滴定法和原子吸收光谱仪对填隙物的Fe2O3、FeO、CaO、MgO及Fe2O3/FeO变化特征进行了分析.收藏指正
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