Barren ferruginous crust of the Perkoa area
Sanguié Province, around the Perkoa deposit, Burkina Faso
Soils
- Type
- Soil
Regional weathering duricrust unrelated to the ore, with the lightest copper of the area and more radiogenic lead (206Pb/207Pb about 1.11). Indicative coordinates.
δ65Cu in ‰ (per mil) Values of the same system
Standard : NIST SRM 976
| Value | Range | n | Mineral or matrix | Source |
|---|---|---|---|---|
| −2.24 ± 0.57 ‰ | −2.81 / −1.68 ‰ | 4 | Mean and standard deviation recalculated from 4 samples, Table 2. | Kříbek et al. (2016), Geochemistry, mineralogy, and isotope composition of Pb, Zn, and Cu… |
δ66Zn in ‰ (per mil) Values of the same system
Standard : NIST SRM 683
| Value | Range | n | Mineral or matrix | Source |
|---|---|---|---|---|
| −0.5 ± 0.42 ‰ | −1.05 / −0.05 ‰ | 4 | Mean and standard deviation recalculated from 4 samples, Table 2. | Kříbek et al. (2016), Geochemistry, mineralogy, and isotope composition of Pb, Zn, and Cu… |
206Pb/207Pb isotope ratio, no unit Values of the same system
Standard : NIST SRM 981
| Value | Range | n | Mineral or matrix | Source |
|---|---|---|---|---|
| 1.111 ± 0.03 | 1.082 / 1.151 | 5 | Mean and standard deviation recalculated from 5 samples, Table 1. BFPE8 analysed for lead only. | Kříbek et al. (2016), Geochemistry, mineralogy, and isotope composition of Pb, Zn, and Cu… |
208Pb/206Pb isotope ratio, no unit Values of the same system
Standard : NIST SRM 981
| Value | Range | n | Mineral or matrix | Source |
|---|---|---|---|---|
| 2.158 ± 0.042 | 2.098 / 2.188 | 5 | Mean and standard deviation recalculated from 5 samples, Table 1. BFPE8 analysed for lead only. | Kříbek et al. (2016), Geochemistry, mineralogy, and isotope composition of Pb, Zn, and Cu… |
Deposits of the same type
- Distal soils of the Perkoa area Burkina Faso
- Soils near the Perkoa gossan Burkina Faso
- Riou Mort basin soils around the Viviez plant France
- Lot riverbank soils downstream of the Riou Mort confluence France
- Lot riverbank soils upstream of the Riou Mort confluence France
- Wetland downstream of the Ty Gallen mine France
- Niquelândia soils (ultramafic and near the plant) Brazil
- Barro Alto ultramafic soils Brazil
Cite this page
IsoFind Atlas (2026). Barren ferruginous crust of the Perkoa area, isotope signatures. https://www.isofind.tech/isotopes/en/sites/cuirasse-ferrugineuse-sterile-du-secteur-de-perkoa/ (accessed 2026-10-13).
@misc{isofind2026barrenferruginouscrustofthepe,
title = {Barren ferruginous crust of the Perkoa area, isotope signatures},
author = {{IsoFind Atlas}},
year = {2026},
url = {https://www.isofind.tech/isotopes/en/sites/cuirasse-ferrugineuse-sterile-du-secteur-de-perkoa/},
note = {Accessed 2026-10-13}
}Updated : 2026-10-13