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Gole-Gohar iron ore has located in IRAN. Reduction of costs at this mine is too effective for mining benefits. One of the important parameter about these costs is the pit slope support with control blasting operations. In this project, we try to use the buffer blasting method for suitable pit walls. Buffer blasting is a method that uses the faults for smoothness of pit walls. In this method, we do not use the control holes. So, by using the buffer holes, the control blasting operation will be suitable. Besides, th...