【摘要】 通过对赣东北晚二叠世和晚三叠世煤的微量元素对比研究,阐述了这两种类型煤中常量和微量元素的含量和赋存特征。通过煤质特征、矿物学和元素的组相关性分析,概括了引起这两种类型煤常量和微量元素之间差弄的地质原因。更多还原

【Abstract】 Through contrast research on trace e lements of Late Permian and Late Tria ssic coals in North -eastern Jiangxi Province,expounded contents and preservativ e properties of normal and trace elem ents in the two types of coal.Through analyses of relativity on coal quality and mineralogy and elements,summarized geological reasons caused differences between norm al and trace elements in the two types of coal.更多还原