Newmont Mining plans to buy smaller rival Goldcorp in a $10 billion deal that would create the world's largest gold producer. The deal highlights further consolidation in the gold mining space, following the Barrick Gold-Randgold Resources merger. Watch Newmont Mining trade here, and watch Goldcorp trade here. Newmont Mining, the giant Colorado-based gold miner, said Monday it would buy Canadian rival Goldcorp for $10 billion in a stock-for-stock transaction. The deal would create the world's largest gold producer called Newmont Goldcorp.