“It is increasingly clear that concerns about demand are taking precedence over supply issues in the metals markets”.

"Historically, few countries have reached economic prosperity with a low tax load" – Chile finance minister, Mario Marcel.

Montagne d'Or is an open-pit gold development project with potential to increase its reserves through infill and expansion drilling.

The group plans to pay 1.8 billion yuan ($269 million) for a 71% stake in a company mining for lithium in Hunan province.

The deal is set to allow Vale's Sao Luis plant to stop running on fuel oil when the supply starts in 2024.

The company currently holds 791,227 treasury shares after last year's buyback.

Rio Tinto will leverage insights from its initiative to allow consumers to use QR codes to see exactly how their products were made from mine to market – including sustainability data.