supported by the National Nature Science Foundation of China (Nos. 41072031 and 40172119);the Natural Science Foundation of Hebei Province,China (No.D2009000833)
We studied the geochemical characteristics of illite clay rocks and their importance from the 5hihezi Formation of Late Permian in the Hanxing mining area by means of ICP-M5 and sequential X-ray fluorescence spectrome...