Vale will build the world's largest activated clay plant for cement production from tailings at the Carajás ore mine in Pará. The project is already at an advanced stage, with Thyssenkrupp unit ...

MORENCI — Firefighters rescued the occupants of a house in Morenci early Friday after it caught on fire due to an overloaded electrical system. Three adults, including one using a wheelchair, and a ...

Research published earlier this month in the Environmental Monitoring and Assessment journal says the "AER's stated policy of 'routine inspections' following tailings spills is not supported by ...

This is driven by the application of new leaching technologies at Morenci and its other North ... technologies to exploit previously uneconomic tailings could increase production by more than ...