In a move that could reshape the iron ore market, Rio Tinto and BHP are exploring a collaboration to mine up to 200 million tonnes of ore. They've signed a memorandum of understanding to jointly develop Rio Tinto’s Wunbye deposit. The agreement also includes BHP supplying ore from its Yandi operation to Rio for processing.

This potential partnership comes as both companies seek to optimize their Pilbara operations in Western Australia. These mining giants have a history of cooperation. The companies previously collaborated on a shared boundary project in the Pilbara. The study will be followed by a more detailed assessment, with initial ore production expected early next decade.

This collaboration reflects the ongoing consolidation within the mining industry. Such partnerships can lead to significant cost savings through shared infrastructure and resources. The move could also boost efficiency and production capacity for both companies, which are major players in the global iron ore market.

It's important to note this announcement comes just days after Rio Tinto confirmed talks with Glencore for a potential takeover. Further developments in this collaboration and the potential Glencore deal bear close watching. Investors will be keen to see the implications for future iron ore supply and pricing.