
Characterisation and magnetic concentration of an iron ore ...
1/1/2019 · 1. Introduction. The total world iron ore production in 2014 was billion tonnes. Brazilian production was 412 million tonnes ( wt%) of which 10% was granular and 90% fines (sinter feed: %; pellet feed: %) with wt% Fe on Minas Gerais State (Quadrilátero Ferrífero) is the biggest iron ore producer (%) in Brazil .