Vale to open shuttered Alegria mine, starting to restore lost output
Operations at the site were interrupted last March after a "stress test" failed to guarantee its stability.
Operations at the site were interrupted last March after a "stress test" failed to guarantee its stability.
Three other nearby dams, Forquilha I, II and III, have already been halted because of what the regulator deems as a "Level 2" emergency.
The news comes four years after the company's tailings dam burst at Germano in Brazil's worst environmental disaster.
The company struggles to restore production lost after regulators demanded that it shut down a series of other dams for safety reasons.
Vale's net profit rose to $1.654 billion from $1.408 billion in the year-ago period, missing the $2.72 billion mean of analysts polled by Refinitiv.
AI company GoldSpot will examine data gathered by Vale over decades of mining at Coleman and look for previously unrecognized data trends.
Vale said on Monday it has temporarily shut down its Itabiruçu tailings dam.
Vale, the world's top iron ore exporter and China's major source of high-grade material, on Monday reported a 35.4% quarter-on-quarter jump in output.
Quarterly sales of the key raw material fell 11.8% from a year ago to 74.039 million tonnes.
Vale and Sumitomo will sell a 20% stake to state-owned Asahan Aluminium, known as Inalum.