International Mining (press release) | Sheffield signs up GR Engineering for Thunderbird mineral sands project International Mining (press release) Sheffield Resources has awarded the engineering, procurement and construction (EPC) contract for the building of a 7.5 Mt/y mineral processing plant and associated facilities at its Thunderbird mineral sands project in Western Australia to GR ... GR Engineering wins $366m contract at Sheffield mineral sands project Sheffield's Thunderbird gets $US175 million in funds and lines up GR Engineering for construction Sheffield locks in engineering, debt deals |