IMO: ARH and GBG are very similar, majority of ore resource is magnetite. Production is reasonably cheap in comparison to Itabirite but nothing beats hematite.
Hematite -----> Blast -----> Ship
Magnetite-----> Blast -----> Crush ----> Magnetic Separation -----> Concentration ----> Pelletised ---->Ship
Itabirite-----> Blast -----> Crush ----> Grind ----> Flotation -----> Pelletised -----> Ship
Grinding and flotation are additional costs in comparison.
Brazil IO are mostly of this type, and they supply the world. SDL can do too.
I have faith that SDL has more hematite to declare.
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IMO: ARH and GBG are very similar, majority of ore resource is...
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