Table 3 Isotope data for whole rocks at Mont Terri
Sample ID | Tunnel chainage (m) | Unit | Mineral | δ34S (‰V-CDT) | ±1 σ | δ18Osulphate (‰V-SMOW) | ±1 σ | 87Sr/86Sr | ±2 σ | δ13Ccarbonate (‰V-PDB) | ±1 σ | δ18Ocarbonate (‰V-SMOW) | ±1 σ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
MT-25 | 35.00 | St-Ursanne Fm (Malm) | carbonate | 0.707094 | 0.000027 | 0.41 | 0.05 | 24.52 | 0.06 | ||||
MT-24 | 255.00 | St-Ursanne Fm (Malm) | carbonate | 0.707090 | 0.000021 | 0.63 | 0.05 | 24.91 | 0.06 | ||||
MT-21 | 675.00 | Hauptrogenstein (Dogger) | carbonate | 0.707203 | 0.000020 | 2.99 | 0.05 | 25.99 | 0.06 | ||||
MT-22 | 725.00 | Passwang Fm (Dogger) | carbonate | 1.21 | 0.05 | 24.24 | 0.06 | ||||||
BWS-E1(3.40-3.60) | 779.40 | Passwang Fm (Dogger) | carbonate | −0.16 | 0.05 | 24.87 | 0.06 | ||||||
BWS-E4(3.25-3.45) | 794.20 | Opalinus Clay (Dogger) | carbonate | −0.09 | 0.05 | 25.04 | 0.06 | ||||||
BWS-E5(4.38-4.50) | 814.50 | Opalinus Clay (Dogger) | carbonate | 0.46 | 0.05 | 25.73 | 0.06 | ||||||
BWS-A3(28.00-28.12) | 843.50 | Opalinus Clay (Dogger) | carbonate | 2.34 | 0.05 | 29.06 | 0.06 | ||||||
MT-9 | 870.00 | Opalinus Clay (Dogger) | carbonate | −0.29 | 0.05 | 25.33 | 0.06 | ||||||
BWS-A2(2.33-2.48) | 885.20 | Opalinus Clay (Dogger) | carbonate | 0.20 | 0.05 | 24.15 | 0.06 | ||||||
UNIBE-119.75 | 918.95 | Opalinus Clay (Dogger) | carbonate | −1.01 | 0.05 | 24.26 | 0.06 | ||||||
UNIBE-118.75 | 919.95 | Opalinus Clay (Dogger) | carbonate | −1.27 | 0.05 | 24.99 | 0.06 | ||||||
UNIBE-114.75 | 923.95 | Opalinus Clay (Dogger) | carbonate | −1.58 | 0.05 | 24.95 | 0.06 | ||||||
MT-7 | 925.00 | Opalinus Clay (Dogger) | carbonate | −1.35 | 0.05 | 23.43 | 0.06 | ||||||
BWS-A6(19.55-19.75) | 1003.50 | Opalinus Clay (Dogger) | carbonate | 0.08 | 0.05 | 26.06 | 0.06 | ||||||
BWS-E6(5.00-5.15) | 1022.10 | Staffelegg Fm, Gross Wolf Mb (Liassic) | carbonate | 0.28 | 0.05 | 24.93 | 0.06 | ||||||
BWS-E7(4.95-5.10) | 1050.60 | Staffelegg Fm, Rietheim Mb (Liassic) | carbonate | 1.12 | 0.05 | 24.57 | 0.06 | ||||||
BWS-E8(4.70-5.10) | 1080.40 | Staffelegg Fm, Mont Terri Mb (Liassic) | carbonate | 0.13 | 0.05 | 27.70 | 0.06 | ||||||
BWS-E9(4.80-5.10) | 1121.90 | Staffelegg Fm, Beggingen Mb (Liassic) | carbonate | −3.18 | 0.05 | 26.84 | 0.06 | ||||||
MT-3 | 1150a | Klettgau Fm, Belchen Mb (Triassic) | gypsum | 16.1 | 0.3 | 13.0 | 0.4 | 0.707932 | 0.000030 | ||||
MT-3 | 1150a | Klettgau Fm, Belchen Mb (Triassic) | gypsum | 15.9 | 0.3 | 12.5 | 0.4 | ||||||
MT-3 | 1150a | Klettgau Fm, Belchen Mb (Triassic) | gypsum | 15.2 | 0.3 | 13.0 | 0.4 | ||||||
MT-20 | 1550 | Schinznach Fm, Trigonodus-Dol. (Triassic)b | gypsum/anhydrite; carbonate | 17.9 | 0.3 | 15.2 | 0.4 | 0.707984 | 0.000033 | 0.89 | 0.05 | 29.14 | 0.06 |