In the case of ores containing only oxyds ... is added to convert it into perchloride of iron; and, after this has been effected, finely powdered carbonate of lime is added in slight excess ...

In a quarter marked by significant developments, Rio Tinto ’s Pilbara operations produced 328 million tonnes of iron ore, ...

The miner exported 85.7 million tons of iron ore in the three months to December 31, down 1% from the year before. Meanwhile, ...