La Rabasse
Southern Massif Central (Montagne Noire), France
Mississippi Valley TypePb-Zn
- Type
- Stratabound or massive Pb-Zn in carbonates
Late Hercynian columns of galena, sphalerite, pyrite and arsenopyrite crosscutting the dolomites above the archaeocyathan Lower Cambrian (100,000 t metal). Indicative coordinates.
206Pb/204Pb isotope ratio, no unit Values of the same system
Standard : NIST SRM 981
| Value | Range | n | Mineral or matrix | Source |
|---|---|---|---|---|
| 18.27 ± 0.01 | 18.26 / 18.28 | 3 | galena Mean and standard deviation recalculated from 3 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 |
|---|---|---|---|---|
| 15.66 ± 0.01 | 15.65 / 15.67 | 3 | galena Mean and standard deviation recalculated from 3 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 |
|---|---|---|---|---|
| 38.41 ± 0.02 | 38.38 / 38.42 | 3 | galena Mean and standard deviation recalculated from 3 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… |
Deposits of the same type
- Le Pradal France
- Marcory France
- Condades France
- Ferrals-les-Montagnes France
- Brusque France
- Bibaud France
- Cusses (Brusque) France
- Cambounes France
Cite this page
IsoFind Atlas (2026). La Rabasse, isotope signatures. https://www.isofind.tech/isotopes/en/deposits/la-rabasse/ (accessed 2026-10-13).
@misc{isofind2026larabasseisotopesignatures,
title = {La Rabasse, isotope signatures},
author = {{IsoFind Atlas}},
year = {2026},
url = {https://www.isofind.tech/isotopes/en/deposits/la-rabasse/},
note = {Accessed 2026-10-13}
}Updated : 2026-10-13