Mineral Resources Ltd (ASX:MIN) has sold a 49% interest in the soon-to-be-completed Onslow haul road in WA’s Pilbara region to investment funds managed by Morgan Stanley Partners (MSIP) for a cash consideration of $1,100. According to the arrangement – which will make MSIP partners with Mineral Resources in the Onslow iron ore project – the latter company will receive an additional payment of $200 million from MSIP once the road achieves a 35 million-tonne per annum run rate for any quarter before June 30, 2026. The company will also retain majority ownership and exclusive rights to use, opera…