The world’s iron ore producer has faced continued backlash from Brazilian authorities since the deadly mining dam accident that killed around 300 people in January.
Decision doesn't determine the final faith of the long-delayed and polemic project, as the case has been sent back to the Environmental Court for review by a different panel of judges, a process that could last several months.
The body, which looks into the way the Polish state operates and how it spends public funds, says the company has spent more than $5.2B in three years on the underperforming Sierra Gorda mine.
