The price drop overshadowed the miner’s coal sales increase during the quarter, which totalled 6.8 million tonnes, compared with 6.3 million tonnes a year earlier.
State-owned and private companies from the UK, Germany, India, Brazil, Singapore and Russia are among those to benefit from the seabed regulator’s decision.
BHP’s major vote of confidence in iron ore proves the company trusts it can mine the bulk commodity for less than many rival producers, and thrive even in an environment of weakening prices.