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Comprehensive Utilization of Ore Below Cut off Grade in Dexing Copper Mine

Zhu Guoshan(Dexing Copper Mine)  
In order to utilize ore below cut off grade of 20% Cu in copper deposits of Dexing Copper Mine,and based on the analysis for distribution charactaristic of ore below cut off grade of 20% Cu,the different way of utilizing below cut off grade,such as,blending control of various grade ore,using pile leaching method and redelimiting mining limit based on comprehensive value of multi element,are used,thus,the obvious economic and social profits are obtained.
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