Australia-based miner Rio Tinto has announced its production results for the first quarter this year. In the first quarter, Rio Tinto’s iron ore production from its Pilbara operations in Western Australia decreased by 19.3 percent quarter on quarter and by 10.5 percent year on year to 69.8 million mt. In the given quarter, the company’s iron ore shipments from its Pilbara operations amounted to 70.7 million mt, down by 17.4 percent compared to the fourth...