Trèves
Southern Massif Central (Cévennes and Causses), France
Mississippi Valley TypePb-Zn
- Type
- Stratabound or massive Pb-Zn in carbonates
Karstic sphalerite-galena masses in lower Lotharingian dolomites. Indicative coordinates.
206Pb/204Pb isotope ratio, no unit Values of the same system
Standard : NIST SRM 981
| Value | Range | n | Mineral or matrix | Source |
|---|---|---|---|---|
| 18.41 ± 0.01 | 18.4 / 18.42 | 2 | galena Mean and standard deviation recalculated from 2 analyses, Table 2. Population 2, more radiogenic: Hercynian or later mineralisation, linked to granitoids or fluid circulation. | Brevart et al. (1982), Metallogenic provinces and the remobilization process studied by l… |
207Pb/204Pb isotope ratio, no unit Values of the same system
Standard : NIST SRM 981
| Value | Range | n | Mineral or matrix | Source |
|---|---|---|---|---|
| 15.64 ± 0.01 | 15.63 / 15.64 | 2 | galena Mean and standard deviation recalculated from 2 analyses, Table 2. Population 2, more radiogenic: Hercynian or later mineralisation, linked to granitoids or fluid circulation. | Brevart et al. (1982), Metallogenic provinces and the remobilization process studied by l… |
208Pb/204Pb isotope ratio, no unit Values of the same system
Standard : NIST SRM 981
| Value | Range | n | Mineral or matrix | Source |
|---|---|---|---|---|
| 38.49 | 38.49 / 38.49 | 2 | galena Mean and standard deviation recalculated from 2 analyses, Table 2. Population 2, more radiogenic: Hercynian or later mineralisation, linked to granitoids or fluid circulation. | Brevart et al. (1982), Metallogenic provinces and the remobilization process studied by l… |
δ34S in ‰ (per mil) Values of the same system
Standard : V-CDT
| Value | Range | n | Mineral or matrix | Source |
|---|---|---|---|---|
| 12.2 / 19.2 ‰ | barite Range given in the text; individual data only as a box plot (Fig. 5). Close to Mesozoic marine sulfate (13 to 20 ‰). | Leach et al. (2006), Precipitation of lead-zinc ores in the Mississippi Valley-type depos… | ||
| 3.8 / 13.8 ‰ | galena (stages 1 and 2) Range given in the text; individual data only as a box plot (Fig. 5). Median about 7 ‰. | Leach et al. (2006), Precipitation of lead-zinc ores in the Mississippi Valley-type depos… | ||
| 10.4 ‰ | 3.9 / 13.8 ‰ | stage 1 sphalerite Range given in the text; individual data only as a box plot (Fig. 5). Central value: mean of 10.4 ‰ given in the text. | Leach et al. (2006), Precipitation of lead-zinc ores in the Mississippi Valley-type depos… | |
| 4.4 ‰ | −0.2 / 12.4 ‰ | stage 2 sphalerite Range given in the text; individual data only as a box plot (Fig. 5). Central value: mean of 4.4 ‰ given in the text. | Leach et al. (2006), Precipitation of lead-zinc ores in the Mississippi Valley-type depos… | |
| −21.2 / 8.7 ‰ | pyrite and marcasite Range given in the text; individual data only as a box plot (Fig. 5). Mostly negative values: disequilibrium during cooling and oxidation. | Leach et al. (2006), Precipitation of lead-zinc ores in the Mississippi Valley-type depos… |
Deposits of the same type
- Les Malines France
- La Gardie France
- Cusses (Brusque) France
- Brusque France
- Le Bleymard France
- Saint-Félix-de-Pallières France
- Durfort France
- La Rabasse France
Cite this page
IsoFind Atlas (2026). Trèves, isotope signatures. https://www.isofind.tech/isotopes/en/deposits/treves/ (accessed 2026-10-13).
@misc{isofind2026trevesisotopesignatures,
title = {Trèves, isotope signatures},
author = {{IsoFind Atlas}},
year = {2026},
url = {https://www.isofind.tech/isotopes/en/deposits/treves/},
note = {Accessed 2026-10-13}
}Updated : 2026-10-13