Rio Negro at Manaus
Amazonas, Brazil
Rivers and surface water
- Type
- River or surface water
Lowland Amazon tributary, black water, the most dilute nickel of the study (2.2 to 2.7 nmol/kg). Coordinates of Manaus.
δ60Ni in ‰ (per mil) Values of the same system
Standard : NIST SRM 986
| Value | Range | n | Mineral or matrix | Source |
|---|---|---|---|---|
| 0.36 ± 0.07 ‰ | 0.31 / 0.41 ‰ | 2 | filtered river water (dissolved nickel) Mean and standard deviation recalculated from 2 values. Negro 2 and Negro 3; overlaps the silicate-rock range. 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
- Solimões at Manaus Brazil
- Amazon, lower course (Óbidos) Brazil
- Amazon Brazil
- Tocantins Brazil
- Paria River (PAR), geochemical background Bolivia
- Barro Alto ultramafic massif surface waters Brazil
- Cala-Cala River (CC), geochemical background Bolivia
- Vinto River, station V1 Bolivia
Cite this page
IsoFind Atlas (2026). Rio Negro at Manaus, isotope signatures. https://www.isofind.tech/isotopes/en/sites/rio-negro-a-manaus/ (accessed 2026-10-13).
@misc{isofind2026rionegroatmanausisotopesignat,
title = {Rio Negro at Manaus, isotope signatures},
author = {{IsoFind Atlas}},
year = {2026},
url = {https://www.isofind.tech/isotopes/en/sites/rio-negro-a-manaus/},
note = {Accessed 2026-10-13}
}Updated : 2026-10-13