Tocantins
Lower Tocantins, Brazil
Rivers and surface water
- Type
- River or surface water
Little contaminated river. Indicative coordinates.
δ66Zn in ‰ (per mil) Values of the same system
Standard : JMC 3-0749L
| Value | Range | n | Mineral or matrix | Source |
|---|---|---|---|---|
| −0.12 / 0.18 ‰ | Range compiled by the review from Little et al. (2014), Geochimica et Cosmochimica Acta 125:673-693. | Ding et al. (2024), Review on zinc isotopes in river systems: distribution and applicatio… |
δ60Ni in ‰ (per mil) Values of the same system
Standard : NIST SRM 986
| Value | Range | n | Mineral or matrix | Source |
|---|---|---|---|---|
| 0.88 ± 0.09 ‰ | 1 | filtered river water (dissolved nickel) Tocantins at Belém (TOC1), 4.5 nmol/kg. River heavier than continental silicate rocks, as for Cu and Zn: partitioning between dissolved phase and particles. | Cameron et Vance (2014), Heavy nickel isotope compositions in rivers and the oceans, Geoc… |
Deposits of the same type
- Amazon Brazil
- Amazon, lower course (Óbidos) Brazil
- Rio Negro at Manaus Brazil
- Solimões at Manaus Brazil
- Barro Alto ultramafic massif surface waters Brazil
- Paria River (PAR), geochemical background Bolivia
- Cala-Cala River (CC), geochemical background Bolivia
- Vinto River, station V1 Bolivia
Cite this page
IsoFind Atlas (2026). Tocantins, isotope signatures. https://www.isofind.tech/isotopes/en/sites/tocantins/ (accessed 2026-10-13).
@misc{isofind2026tocantinsisotopesignatures,
title = {Tocantins, isotope signatures},
author = {{IsoFind Atlas}},
year = {2026},
url = {https://www.isofind.tech/isotopes/en/sites/tocantins/},
note = {Accessed 2026-10-13}
}Updated : 2026-10-13