the elemental geochemistry characteristics indicate that elements abundance is controlled seriously by grain size of sediment.
元素地球化学特征表明,元素的丰度受沉积物粒度控制明显。
studies of petrology and elemental geochemistry indicate that the xiangshan uranium ore-field dacite porphyry belongs to intra-plate shoshonitic rock type and is a kind of shoshonitic dacite porphyry.
巖石学、元素地球化学研究表明,相山铀矿田的英安斑巖属于板内型钾玄质巖类,为钾玄质英安斑巖。
environmental evolution information was extracted from strata of the yuchisi neolithic site based on principal component analysis of magnetic susceptibility and elemental geochemistry data.
通过磁化率和地球化学元素的因子分析法和比值法分析提取出尉迟寺遗址地层记录的环境演变信息。