Nkana
Copperbelt, Pan-African Lufilian arc (Kitwe), Zambia
OtherCu-Co (U)
- Type
- Sediment-hosted stratiform Cu-Co, with uraninite
Copper deposit of the Zambian Copperbelt; uraninite dated at 527 ± 9 Ma, grain with silicate inclusions 0.25 ‰ heavier than the inclusion-free grain (Chernyshev et al., 2014). Indicative coordinates (Kitwe).
238U/235U isotope ratio, no unit Values of the same system
Standard : NBL CRM 112-A
| Value | Range | n | Mineral or matrix | Source |
|---|---|---|---|---|
| 137.7875 ± 0.02475 | 137.77 / 137.805 | 2 | uraninite (Nk1 inclusion-free, Nk2 with silicate inclusions) Mean and standard deviation recalculated from 2 analyses, equivalent δ238U -0.49 to -0.23 ‰. | Chernyshev et al. (2014), 238U/235U isotope ratio variations in minerals from hydrotherma… |
Deposits of the same type
- Central African Copperbelt (whole province) DR Congo and Zambia
- Kabwe (Broken Hill) Zambia
- Mumbwa (chapeau manganésifère près de Sable Antelope) Zambia
- Ngwerere Zambia
- Star Zinc Zambia
- Surprise Zambia
- Excelsior Zambia
- Witwatersrand basin South Africa
Cite this page
IsoFind Atlas (2026). Nkana, isotope signatures. https://www.isofind.tech/isotopes/en/deposits/nkana/ (accessed 2026-10-15).
@misc{isofind2026nkanaisotopesignatures,
title = {Nkana, isotope signatures},
author = {{IsoFind Atlas}},
year = {2026},
url = {https://www.isofind.tech/isotopes/en/deposits/nkana/},
note = {Accessed 2026-10-15}
}Updated : 2026-10-15