Almost a decade ago Steve Dalton was working for Ulster Bank, where he led its team financing renewable energy and waste projects. But his career would take a major detour when his father-in-law, who worked in the mining industry, introduced him to a man called Roger Norwich. Another exploration veteran, Norwich had founded Mexican Silver Mines, which he listed on the Toronto Venture Exchange before it was taken over by another Canadian listed firm called Rio Alto. Norwich had stayed with Rio Alto as a director and shareholder as it grew to become a mid-tier gold producer in Peru before…