The world's fourth largest iron ore miner shipped 48.7 million tonnes of the steel-making commodity in the quarter ended Dec. 31

Review is in response to the persistent drop in prices of the key battery metal.

The diversified miner produced 83,000 dry metric tonnes of spodumene concentrate for the quarter.

Australian Foundation Investment Company is starting to look at the sector and last year bought a small position in diversified miner Mineral Resources.

The company posted revenue of A$264 million for the quarter ended December 31.

Once developed and approved, the Upper Calliope solar farm will have the potential to cut down Rio's operating carbon emissions by 1.8 million tonnes per year.

Australian lithium producers may be set to track the nickel industry in project curtailments and delays this reporting season.