Hancock acquired a 51% interest in the Mt Bevan project from Legacy Iron Ore Ltd. and Hawthorn Resources.
The world's largest listed miner said iron ore output from Western Australia on a 100% basis was 76.8 million tonnes in the three months to June 30.
The company holds a portfolio including precious, base and strategic metal exploration in North America, Africa, Saudi Arabia and Australia.
Simandou has faced delays due to legal disputes, political changes, and the challenges of building out 600 km rail and port infrastructure.