is use benification section which type of iron fins use

Kent C Condie in Earth as an Evolving Planetary System Third Edition 2016 Banded Iron Formation Banded iron formation or BIF is a chemical sediment typically thinbedded or laminated with 15 iron of sedimentary origin Figure 86BIF has a very distinct distribution with time Figure 825It is found in minor amounts in the early Archean and in large amounts in the late Archean