Table 2 Isotope data for veins at Mont Terri (MT) and Mont Russelin (MR)
Locality | Sample ID | Tunnel chainage (m) | Unit | Mineral | δ34Ssulphate (‰V-CDT) | ±1 σ | δ18Osulphate (‰V-SMOW) | ±1 σ | 87Sr/86Sr | ±2 σ | δ13Ccarbonate (‰V-PDB) | ±1 σ | δ18O carbonate (‰V-SMOW) | ±1 σ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
MT | MT-23 | 275.00 | St-Ursanne Fm (Malm) | Calcite |  |  |  |  | 0.707768 | 0.000038 | −7.15 | 0.05 | 21.64 | 0.06 |
MT | BSF-004-8 | 870.00 | Opalinus Clay (Dogger) | Celestite | 22.6 | 0.3 | 16.1 | 0.3 | 0.707759 | 0.000022 | Â | Â | Â | Â |
MT | BSF-004-8 | 870.00 | Opalinus Clay (Dogger) | Celestite | 24.8 | 0.3 | 18.6 | 0.3 | Â | Â | Â | Â | Â | Â |
MT | BSF-004-8 | 870.00 | Opalinus Clay (Dogger) | Celestite | 24.7 | 0.3 | 17.5 | 0.3 | Â | Â | Â | Â | Â | Â |
MT | UNIBE-124.20 | 914.50 | Opalinus Clay (Dogger) | Calcite-celestite | 22.4 | 0.3 | 17.0 | 0.2 | 0.707749 | 0.000022 | −2.08 | 0.05 | 19.32 | 0.06 |
MT | UNIBE-123.5 | 915.20 | Opalinus Clay (Dogger) | Calcite |  |  |  |  | 0.707764 | 0.000022 | −2.29 | 0.05 | 21.07 | 0.06 |
MT | UNIBE-118.25 | 920.45 | Opalinus Clay (Dogger) | Calcite |  |  |  |  | 0.707796 | 0.000028 | −1.85 | 0.05 | 19.91 | 0.06 |
MT | UNIBE-116.25 | 922.45 | Opalinus Clay (Dogger) | Calcite-celestite |  |  |  |  | 0.707776 | 0.000037 | −1.84 | 0.05 | 19.34 | 0.06 |
MT | BSF-006-(13) | 923.00 | Opalinus Clay (Dogger) | Calcite |  |  |  |  | 0.707848 | 0.000026 | −2.12 | 0.05 | 19.59 | 0.06 |
MT | MT-6 | 923.00 | Opalinus Clay (Dogger) | Calcite |  |  |  |  | 0.707783 | 0.000024 | −2.05 | 0.05 | 19.88 | 0.06 |
MT | UNIBE-113.75 | 924.95 | Opalinus Clay (Dogger) | Calcite |  |  |  |  | 0.707701 | 0.000026 | −2.37 | 0.05 | 19.96 | 0.06 |
MT | GM-64 | 967.00 | Opalinus Clay (Dogger) | Celestite | 22.5 | 0.2 | 18.5 | 0.3 | 0.707712 | 0.000020 | Â | Â | Â | Â |
MT | GM-24 | 1003.00 | Opalinus Clay (Dogger) | Celestite | 28.4 | 0.4 | 17.8 | 1.4 | 0.707725 | 0.000028 | Â | Â | Â | Â |
MT | GM-6.8 | 1010.00 | Opalinus Clay (Dogger) | Calcite-celestite | 28.1 | 0.4 | 17.9 | 0.5 | 0.707726 | 0.000024 | 0.56 | 0.05 | 22.87 | 0.06 |
MR | MR-SF7 |  | Opalinus Clay (Dogger) | Calcite-celestite |  |  |  |  | 0.707853 | 0.000022 | −0.36 | 0.05 | 17.11 | 0.06 |
MR | BSF11 (13-15) |  | Opalinus Clay (Dogger) | Calcite-celestite | 19.5 | 1.3 | 14.5 | 2.0 | 0.707804 | 0.000023 | −0.28 | 0.05 | 17.39 | 0.06 |