Wealden iron ore is usually a clay-ironstone and occurs in nodules and in thin beds up to a maximum of two feet in thickness, interbedded with shale. Sometimes a pale grey sideritic rock is present.

The price of bauxite, the raw material required for producing aluminium, has surpassed the value of a tonne of iron ore for the first ... to feed their operations. Around 80 per cent of the ...

The project will also produce high-grade iron ore, around 65.3% iron content, which is better quality than most of what Rio and its competitors mine in Western Australia, the top iron ore ...