Winter drilling at Nelligan Credit: Vanstar Mining Canadian miner Iamgold (TSX: IMG; NYSE: IAG) announced a pair of acquisitions that would more than triple its footprint in northern Quebec’s Chibougamau region.Iamgold agreed to buy Northern Superior Resources (TSXV: SUP) for C$2.05 in cash and stock per Northern Superior share in a transaction valued at about C$267.4 million, according to a statement issued Monday. The Toronto-based company also said it’s reached a C$17.2 million deal to acquire Mines D’Or ...