Roy Hill is an iron ore mining project in the Chichester Range in the Pilbara region of Western Australia, located 115 kilometres (71 mi) north of Newman and 277 kilometres (172 mi) south of Port Hedland.With indicated and inferred reserves of more than 2.4 billion tonnes, it is set to become one of the largest mining projects in Australia. Mining operations will produce 55 million tones of iron ore per annum with an operating life of more than 20 years.Gina Rinehart's Hancock Prospecting is the majority stakeholder in the project with a 70% interest. The remaining 30% stake is held by a consortia comprising POSCO 12.5%, Marubeni 12.5%, STX Corporation 2.5% and China Steel Corporation 2.5 %.As part of the ownership agreement the various consortia partners have also secured their proportionate share of iron ore production from the Roy Hill Project, representing a combined 16.5Mtpa of iron ore at full production.