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Accounting for blast movement in porphyry or manto copper deposits can have a significant impact in the reduction of ore loss, dilution and misclassification, resulting in increased ore recovery.
Blasting is the first and lowest cost per ton stage in the comminution value chain. The basic principle that effective blast design can optimize fragmentation from the Run of Mine (ROM) ore muck pile to improve productivity through digging, loading, and crushing to grinding and increase mine site profits has been well documented. This paper discusses the use of real-time fragmentation analysis at the muck pile to optimize energy factors required for each blast.