Sekarna (Saint-Pierre)
Northern Tunisia, Graben Zone, Tunisie
Mississippi Valley TypeZn-Pb
- Type
- Oxidised MVT with non-sulfide ore
MVT-type Zn-Pb deposit of northern Tunisia (Graben Zone); the analysed carbonates include concretionary smithsonite. Smithsonite precipitated from thermal waters at moderately high temperature, not supergene. Indicative coordinates.
δ13C in ‰ (per mil) Values of the same system
Standard : V-PDB
| Value | Range | n | Mineral or matrix | Source |
|---|---|---|---|---|
| −5.25 ± 0.91 ‰ | −6.57 / −4.55 ‰ | 4 | concretionary smithsonite (types 1 and 2) Mean and standard deviation recalculated from 4 samples, Table 2. | Garnit et al. (2018), C-O stable isotopes geochemistry of Tunisian nonsulfide zinc deposi… |
| 1.75 ± 0.36 ‰ | 1.5 / 2.01 ‰ | 2 | carbonate host rock (Metlaoui Group and Abiod Formation) Mean and standard deviation recalculated from 2 samples, Table 2. | Garnit et al. (2018), C-O stable isotopes geochemistry of Tunisian nonsulfide zinc deposi… |
δ18O in ‰ (per mil) Values of the same system
Standard : V-SMOW
| Value | Range | n | Mineral or matrix | Source |
|---|---|---|---|---|
| 22.31 ± 0.31 ‰ | 21.96 / 22.66 ‰ | 4 | concretionary smithsonite (types 1 and 2) Mean and standard deviation recalculated from 4 samples, Table 2. | Garnit et al. (2018), C-O stable isotopes geochemistry of Tunisian nonsulfide zinc deposi… |
| 21.83 ± 1.27 ‰ | 20.93 / 22.73 ‰ | 2 | carbonate host rock (Metlaoui Group and Abiod Formation) Mean and standard deviation recalculated from 2 samples, Table 2. | Garnit et al. (2018), C-O stable isotopes geochemistry of Tunisian nonsulfide zinc deposi… |
Deposits of the same type
- Jebel Trozza Tunisie
- Slata Fer Tunisie
- Bou Grine Tunisie
- Fedj el Adoum Tunisie
- Djebba Tunisie
- Bou Jaber Tunisie
- Mecella Tunisie
- Jebel Azreg Tunisie
Cite this page
IsoFind Atlas (2026). Sekarna (Saint-Pierre), isotope signatures. https://www.isofind.tech/isotopes/en/deposits/sekarna-saint-pierre/ (accessed 2026-10-13).
@misc{isofind2026sekarnasaintpierreisotopesign,
title = {Sekarna (Saint-Pierre), isotope signatures},
author = {{IsoFind Atlas}},
year = {2026},
url = {https://www.isofind.tech/isotopes/en/deposits/sekarna-saint-pierre/},
note = {Accessed 2026-10-13}
}Updated : 2026-10-13