Are you saying that with further processing they too could get an fe grade of 70%
Absolutely and very likely at >26um judging by the very coarse nature of the IRD magnetite ore. There are cost efficiencies and significant material handling advantages relating to a coarser product (and waste stream). No need for a conventional tailings dam, as you mentioned, is one of them. No clays or ultra-fines during processing means easier separation and dewatering of both concentrate and tailings eg. screens replacing filters etc.
The challenges of dealing with ultra-fine Fe conc. should not be underestimated. There is ample evidence from WA magnetite projects indicating what some of the challenges and consequences may be.
All IMO, DYOR
Are you saying that with further processing they too could get...
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