Peisey-Nancroix slags and stack residues
Savoie, Ponturin valley (Tarentaise), France
Mine tailings and waste rock
- Type
- Mine tailings and waste rock
Former Pb-Ag mining and metallurgical site of Peisey-Nancroix (1734-1866), abandoned for over 150 years: on-site roasting and smelting from 1745 to 1824. Metallurgical wastes have a homogeneous δ123Sb (+0.72 ± 0.07 ‰), clearly heavier than the ore (-0.28 to +0.10 ‰), whereas Pb does not distinguish them; contaminated soils (about +0.46 ‰) owe 44 to 78 % of their Sb to slags according to a binary mixing (Guillevic et al., 2024). Glassy smelting slags (7.5 to 10.8 % Pb) and stack residues (34 to 46 % Pb); 123Sb enrichment of +0.62 to +1.01 ‰ relative to the ore, linked to pyrometallurgical processing. Indicative coordinates (village).
δ123Sb in ‰ (per mil) Values of the same system
Standard : SPEX CertiPrep, lot 24-175SBX
| Value | Range | n | Mineral or matrix | Source |
|---|---|---|---|---|
| 0.62 ± 0.06 ‰ | 1 | metallurgical waste STK-1 Single analysis; ± 0.06 (2 SD); sample STK-1; 345,525 mg/kg Pb, 2187 mg/kg Sb. | Guillevic et al. (2024), Multi-isotope (Pb, Sb) approach to trace metallic contaminant so… | |
| 0.77 ± 0.04 ‰ | 1 | metallurgical waste STK-2 Single analysis; ± 0.04 (2 SD); sample STK-2; 460,992 mg/kg Pb, 1098 mg/kg Sb. | Guillevic et al. (2024), Multi-isotope (Pb, Sb) approach to trace metallic contaminant so… | |
| 0.78 ± 0.03 ‰ | 1 | metallurgical waste SLAG-1* Single analysis; ± 0.03 (2 SD); sample SLAG-1*; 108,418 mg/kg Pb, 1638 mg/kg Sb. | Guillevic et al. (2024), Multi-isotope (Pb, Sb) approach to trace metallic contaminant so… | |
| 0.73 ± 0.05 ‰ | 1 | metallurgical waste SLAG-2* Single analysis; ± 0.05 (2 SD); sample SLAG-2*; 75,516 mg/kg Pb, 931 mg/kg Sb. | Guillevic et al. (2024), Multi-isotope (Pb, Sb) approach to trace metallic contaminant so… |
206Pb/207Pb isotope ratio, no unit Values of the same system
Standard : NIST SRM 981
| Value | Range | n | Mineral or matrix | Source |
|---|---|---|---|---|
| 1.171 ± 0.004 | 1 | metallurgical waste STK-1 Single analysis; ± 0.004; sample STK-1; 345,525 mg/kg Pb, 2187 mg/kg Sb. | Guillevic et al. (2024), Multi-isotope (Pb, Sb) approach to trace metallic contaminant so… | |
| 1.171 ± 0.004 | 1 | metallurgical waste STK-2 Single analysis; ± 0.004; sample STK-2; 460,992 mg/kg Pb, 1098 mg/kg Sb. | Guillevic et al. (2024), Multi-isotope (Pb, Sb) approach to trace metallic contaminant so… | |
| 1.171 | 1 | metallurgical waste SLAG-1* Single analysis; ± below 0.001 (MC-ICP-MS); sample SLAG-1*; 108,418 mg/kg Pb, 1638 mg/kg Sb. | Guillevic et al. (2024), Multi-isotope (Pb, Sb) approach to trace metallic contaminant so… | |
| 1.172 | 1 | metallurgical waste SLAG-2* Single analysis; ± below 0.001 (MC-ICP-MS); sample SLAG-2*; 75,516 mg/kg Pb, 931 mg/kg Sb. | Guillevic et al. (2024), Multi-isotope (Pb, Sb) approach to trace metallic contaminant so… |
208Pb/206Pb isotope ratio, no unit Values of the same system
Standard : NIST SRM 981
| Value | Range | n | Mineral or matrix | Source |
|---|---|---|---|---|
| 2.096 ± 0.005 | 1 | metallurgical waste STK-1 Single analysis; ± 0.005; sample STK-1; 345,525 mg/kg Pb, 2187 mg/kg Sb. | Guillevic et al. (2024), Multi-isotope (Pb, Sb) approach to trace metallic contaminant so… | |
| 2.096 ± 0.005 | 1 | metallurgical waste STK-2 Single analysis; ± 0.005; sample STK-2; 460,992 mg/kg Pb, 1098 mg/kg Sb. | Guillevic et al. (2024), Multi-isotope (Pb, Sb) approach to trace metallic contaminant so… | |
| 2.094 | 1 | metallurgical waste SLAG-1* Single analysis; ± below 0.001 (MC-ICP-MS); sample SLAG-1*; 108,418 mg/kg Pb, 1638 mg/kg Sb. | Guillevic et al. (2024), Multi-isotope (Pb, Sb) approach to trace metallic contaminant so… | |
| 2.096 | 1 | metallurgical waste SLAG-2* Single analysis; ± below 0.001 (MC-ICP-MS); sample SLAG-2*; 75,516 mg/kg Pb, 931 mg/kg Sb. | Guillevic et al. (2024), Multi-isotope (Pb, Sb) approach to trace metallic contaminant so… |
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Cite this page
IsoFind Atlas (2026). Peisey-Nancroix slags and stack residues, isotope signatures. https://www.isofind.tech/isotopes/en/sites/scories-et-residus-de-cheminee-de-peisey-nancroix/ (accessed 2026-10-16).
@misc{isofind2026peiseynancroixslagsandstackre,
title = {Peisey-Nancroix slags and stack residues, isotope signatures},
author = {{IsoFind Atlas}},
year = {2026},
url = {https://www.isofind.tech/isotopes/en/sites/scories-et-residus-de-cheminee-de-peisey-nancroix/},
note = {Accessed 2026-10-16}
}Updated : 2026-10-16