Pedras Pretas
Paraíba (Borborema pegmatite province), Brazil
Magmatic (Ni-Cu-PGE, carbonatites)Sn
- Type
- Cassiterite-bearing pegmatite
Cassiterite pegmatite of Paraíba State. Deposit not located: the place cited in the article could not be tied to reliable coordinates.
δ124Sn in ‰ (per mil) Values of the same system
Standard : NIST SRM 3161a
| Value | Range | n | Mineral or matrix | Source |
|---|---|---|---|---|
| −0.41 ‰ | 1 | cassiterite One analysis, Table 1. The table gives 2120 Ma, probably by extension from the other Brazilian pegmatites. | Mathur et al. (2025), Global Sn isotope compositions of cassiterite identify the magmatic… |
Deposits of the same type
- Bayan Obo China
- Norilsk-Talnakh Russia
- Bushveld, Merensky Reef South Africa
- Bushveld, UG2 chromitite South Africa
- Bushveld, Platreef South Africa
- Sudbury Canada
- Voisey's Bay Canada
- Rössing Namibia
Cite this page
IsoFind Atlas (2026). Pedras Pretas, isotope signatures. https://www.isofind.tech/isotopes/en/deposits/pedras-pretas/ (accessed 2026-10-13).
@misc{isofind2026pedraspretasisotopesignatures,
title = {Pedras Pretas, isotope signatures},
author = {{IsoFind Atlas}},
year = {2026},
url = {https://www.isofind.tech/isotopes/en/deposits/pedras-pretas/},
note = {Accessed 2026-10-13}
}Updated : 2026-10-13