Moreover the geochemistry of trace elements in coal could be used to explain the coalification,and some elements as special marker could be used to compare the coal beds.

• 另外应用元素地球化学理论可以探讨成煤作用,一些微量元素可以用作煤层对比标志,微量元素对煤炭开采、加工、利用等方面都将产生影响。