Evaluation of privileged coal resources in Guizhou Province

Based on the occurrence characters and distribution of coal resources,an evaluation system is con-structed,which adopts the grey cluster to evaluate the 166 exploration areas in Guizhou Province and determines the priority of them.The result indicates that the units vary slightly,and the unit superiority value ranges from 44.46 to 83.13.In Guizhou Province there is a good coal resources condition,the high grade and meddle grade re-sources amount to over 50% of the total evaluated resources;it is notable in Bijie and Liupanshui and suitable for preferential exploitation.