Carajás
Pará State, Amazonia, Brazil
Banded iron formationsFe
- Type
- Banded iron formation (BIF), high-grade hematite
Carajás mineral province, a world-class iron deposit. The ore results from hydrothermal and then supergene alteration of Archaean banded iron formations.
δ56Fe in ‰ (per mil) Values of the same system
Standard : IRMM-014
| Value | Range | n | Mineral or matrix | Source |
|---|---|---|---|---|
| 0.25 ‰ | −0.29 / 1.02 ‰ | hematite (martite and microplaty hematite ore) | Iron Isotopes Applied to BIF-Hosted Iron Deposits, Springer chapter (2023) | |
| −0.3 / 0.05 ‰ | magnetite (hydrothermally altered BIF) | Iron Isotopes Applied to BIF-Hosted Iron Deposits, Springer chapter (2023) | ||
| 0.8 / 1.1 ‰ | martite (oxidised BIF and iron ore) | Iron Isotopes Applied to BIF-Hosted Iron Deposits, Springer chapter (2023) |
Deposits of the same type
- Cauê Formation (Quadrilátero Ferrífero) Brazil
- Isua (BIF) Greenland
- Gongchangling China
Cite this page
IsoFind Atlas (2026). Carajás, isotope signatures. https://www.isofind.tech/isotopes/en/deposits/carajas/ (accessed 2026-10-06).
@misc{isofind2026carajasisotopesignatures,
title = {Carajás, isotope signatures},
author = {{IsoFind Atlas}},
year = {2026},
url = {https://www.isofind.tech/isotopes/en/deposits/carajas/},
note = {Accessed 2026-10-06}
}Updated : 2026-10-06