δ56Fe of Banded iron formations: published values

in ‰ (per mil)

Banded iron formations. 15 published values for 4 deposits or sites. Standards, minerals and sources for every value.

DepositsValueRangenMineral or matrixSource
Carajás
Brazil
0.25 ‰−0.29 / 1.02 ‰hematite (martite and microplaty hematite ore)Iron Isotopes Applied to BIF-Hosted Iron Deposits, Springer chapter (2023)
Carajás
Brazil
−0.3 / 0.05 ‰magnetite (hydrothermally altered BIF)Iron Isotopes Applied to BIF-Hosted Iron Deposits, Springer chapter (2023)
Carajás
Brazil
0.8 / 1.1 ‰martite (oxidised BIF and iron ore)Iron Isotopes Applied to BIF-Hosted Iron Deposits, Springer chapter (2023)
Cauê Formation (Quadrilátero Ferrífero)
Brazil
−0.16 ± 0.41 ‰−0.95 / 0.27 ‰12quartz itabiriteMendes et al. (2017), Iron isotope and REE+Y composition of the Cauê banded iron formatio…
Cauê Formation (Quadrilátero Ferrífero)
Brazil
−0.54 ± 0.22 ‰−0.8 / −0.26 ‰6massive iron oreMendes et al. (2017), Iron isotope and REE+Y composition of the Cauê banded iron formatio…
Cauê Formation (Quadrilátero Ferrífero)
Brazil
−0.61 ‰1dolomitic itabiriteMendes et al. (2017), Iron isotope and REE+Y composition of the Cauê banded iron formatio…
Cauê Formation (Quadrilátero Ferrífero)
Brazil
−0.08 ± 0.67 ‰−0.75 / 0.83 ‰4speculariteMendes et al. (2017), Iron isotope and REE+Y composition of the Cauê banded iron formatio…
Cauê Formation (Quadrilátero Ferrífero)
Brazil
0.03 ± 0.36 ‰−0.22 / 0.29 ‰2banded iron oreMendes et al. (2017), Iron isotope and REE+Y composition of the Cauê banded iron formatio…
Cauê Formation (Quadrilátero Ferrífero)
Brazil
0.03 ± 0.31 ‰−0.42 / 0.37 ‰5schistose iron oreMendes et al. (2017), Iron isotope and REE+Y composition of the Cauê banded iron formatio…
Cauê Formation (Quadrilátero Ferrífero)
Brazil
−0.95 ‰1amphibolitic itabiriteMendes et al. (2017), Iron isotope and REE+Y composition of the Cauê banded iron formatio…
Cauê Formation (Quadrilátero Ferrífero)
Brazil
−0.22 ± 0.13 ‰−0.31 / −0.13 ‰2brecciated iron oreMendes et al. (2017), Iron isotope and REE+Y composition of the Cauê banded iron formatio…
Gongchangling
China
0.82 ± 0.28 ‰0.16 / 1.164 ‰12high-grade ore magnetiteFu et al. (2023), Fe-Si-C isotope constraints on the genesis of iron ores in Gongchanglin…
Gongchangling
China
0.45 ± 0.21 ‰0.233 / 0.78 ‰7BIF magnetiteFu et al. (2023), Fe-Si-C isotope constraints on the genesis of iron ores in Gongchanglin…
Gongchangling
China
0.55 ± 0.03 ‰0.53 / 0.57 ‰2banded hematite ore magnetiteFu et al. (2023), Fe-Si-C isotope constraints on the genesis of iron ores in Gongchanglin…
Isua (BIF)
Greenland
0.1 / 0.5 ‰magnetiteDauphas et al. 2004, Fe isotopes in Isua BIF

Published δ56Fe (iron) values, deposit by deposit

Cite this page

IsoFind Atlas (2026). δ56Fe of Banded iron formations: published values. https://www.isofind.tech/isotopes/en/iron-d56fe/banded-iron-formations/ (accessed 2026-10-06).

@misc{isofind202656feofbandedironformationspub,
  title = {δ56Fe of Banded iron formations: published values},
  author = {{IsoFind Atlas}},
  year = {2026},
  url = {https://www.isofind.tech/isotopes/en/iron-d56fe/banded-iron-formations/},
  note = {Accessed 2026-10-06}
}

Updated : 2026-10-06