Seven countries with the largest iron ore reserves in the
2022-06-29 · Iron ore is Australia's largest source of export revenue, valued at around AUD$77m ($59m) in 2022/19, with many of these goods sent to feed China's huge steelmaking industry. Major mining companies including Rio Tinto, BHP and Fortescue Metals are involved in Australia's iron ore industry. 2. Brazil – 29 billion tonnes . Brazil holds the second-largest iron …