It is the largest iron ore mine project in the world, at 90 million tonnes per year.
Production began in December 2016, and the first ore was loaded on ships in January 2017.
This lowers environmental impact and also mitigates the difficulty of finding many skilled staff in a remote area.
[5] Iron ore will be transported by rail to the Ponta da Madeira port terminal, which is being expanded to handle a very large increase in iron ore shipments.
The site has one of the world's richest ore bodies,[6] with over 4 billion tonnes of reserves and ferrous content around 66%.