Metall urgica l Te stw ork 7 Metal l urgic al wor k was completed at SG S Can ada In c in Lakef i eld from 2009 to 2011 and conti nu es P ropose d t es tw ork requ i red 500 600 kg of repres en tati ve fe ed mate ri al acquir ed by d ri l l i ng l arge c ore diameter H Q size 60mm metall urgic al holes Core se c ti on sa mples as sa yi ng grea ter than 2 g t Au were then c ombined to form two mas ter c ompos i tes M C1 and MC2 tot aled 600 kg El eme n t Mas t er Comp 1 Mas t er Comp 2 Go ld g t Au 595 675 Sulphu r S 343 279 Sulphide Sulphu r S 330 NA Ar se nic As 219 181 Ir on F e 930 NA Ma s t er Composi t e s