Blast Movement Technologies 2 / 67 Bluestone Circuit Seventeen Mile Rocks Queensland, 4073 office@bmt.com.au AUSTRALIA www.bmt.com.au 04/2018 Polymetallic mine improves reconciliation and adds US$320,000 of value in one blast Commodity Ore Grades Geology Powder Factor Location Polymetallic Low - high Ultramafic layered intrusion 1.4 kg/m 3 Northern Europe This Artic open-pit operation mines nickel, copper and gold. • Mineralisation is contained in hard Mafic rocks, which require a high powder factor to achieve optimum fragmentation • Benches are 12 metres and mined in a single pass • The site contains low and high ore grades Challenges Solution Poor reconciliation between the reserve model, recovered tonnes and mill grades BMM System accu

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