Newmont plumps final bid for Newcrest to $19.5bn

The state is home to mines that provide about 30% of the world's iron ore and 70% of China's imports.

Barrick says its geological improvements and remodelling are starting to make a positive impact.

To receive certification, each mine must meet 32​​ sustainability criteria.

The measured and indicated resource was 14.7 million oz in 572 million tonnes grading 0.8 g/t gold.

Nornickel's 2021 net profit stood at $6.97 billion, a 92% increase from 2020.

The Brazilian miner lost the title of top iron ore supplier to Rio Tinto in the wake of a tailings dam disaster three years ago.

The Minas Gerais law requires the removal of all dams constructed using the upstream method. Those in breach could have their operating license suspended.

The plant conversion could be a milestone in a clean energy plan that aims to cease the use of bunker and coal for power generation by December 2023.

The assets have been on care and maintenance since mid-2018.