There may be further magnetic screening options to the problem...

There may be further magnetic screening options to the problem of high iron. Even if there isn't, at this stage one of the simple solutions is blending.

If you were to blend A1 and SF1 in a 50/50 mix, what would happen?

• A1: 6.5% + 5.4% = 11.9% / 2 = 5.95% concentrate
• SF1: 0.1% + 1.5% = 1.6% / 2 = 0.8% Iron

Pretty much all converters who what to stay in business are accepting SC6 at 0.8% iron.

As long as Delta have some low iron ore, there's going to be blending solutions. M1 and M47 are currently estimated at 16Mt and 3.3Mt so they have a big and smaller ore body with low iron ore available.