RE:Zinc over $1.50 US - What's the Problem?The underground sulphide mineral resource estimate of the Murray Brook Deposit comprises measured and indicated mineral resources totalling 5.28 million tonnes averaging 5.24 per cent zinc, 1.80 per cent lead, 0.46 per cent copper, 68.9 grams per tonne silver and 0.65 g/t gold. It contains 610 million pounds of zinc, 209 million pounds of lead, 54 million pounds of copper, 11.7 million ounces of silver and 111,000 ounces of gold at a $85 pertonne NSR (netsmelterreturn) cutoff in the sulphide measured and indicated categories. On February 20 2017, the NI 43101 report was accepted and filed on SEDAR.ote]