Gatumba
Ngororero District, western Rwanda, Rwanda
Magmatic (Ni-Cu-PGE, carbonatites)Sn-Nb-Ta-Li
- Type
- Tin, niobium-tantalum and lithium pegmatites
Pegmatite district of the Karagwe-Ankole belt, related to G4 granites (about 1 Ga). Indicative coordinates.
δ124Sn in ‰ (per mil) Values of the same system
Standard : NIST SRM 3161a
| Value | Range | n | Mineral or matrix | Source |
|---|---|---|---|---|
| 0.21 ‰ | 1 | cassiterite One analysis, Table 1. Ore age used by the authors: 1000 Ma. | Mathur et al. (2025), Global Sn isotope compositions of cassiterite identify the magmatic… |
Deposits of the same type
- Mwirasandu Ouganda
- Manono-Kitotolo République démocratique du Congo
- Mutoko (pegmatites) Zimbabwe
- Great Dyke (Main Sulfide Zone) Zimbabwe
- Kamativi Zimbabwe
- Bikita Zimbabwe
- Zaaiplaats South Africa
- Bushveld, Platreef South Africa
Cite this page
IsoFind Atlas (2026). Gatumba, isotope signatures. https://www.isofind.tech/isotopes/en/deposits/gatumba/ (accessed 2026-10-13).
@misc{isofind2026gatumbaisotopesignatures,
title = {Gatumba, isotope signatures},
author = {{IsoFind Atlas}},
year = {2026},
url = {https://www.isofind.tech/isotopes/en/deposits/gatumba/},
note = {Accessed 2026-10-13}
}Updated : 2026-10-13