Vale and Sumitomo have decided to close their Isaac Plains coalmine in Queenslands Bowen Basin

Non-toxic amino acid has the potential to replace hazardous chemicals like cyanide in mineral extraction processes, Curtin professor says.

A new report details subpar investor returns in the mining industry over the last decade, particularly big cap diversified companies which have not adapted to new realities.

Nine drill rigs are working a 30,000-35,000 metre program, with results feeding into future resource estimates.

BHP detailed to investors this week plans to spend $10.7 billion to $14.7 billion within about 10 years.