Skip to main content

Table 3 Isotope data for whole rocks at Mont Terri

From: Pore-water evolution and solute-transport mechanisms in Opalinus Clay at Mont Terri and Mont Russelin (Canton Jura, Switzerland)

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
  1. aSamples were collected on the surface (locality “La Gypsière”), tunnel chainage is based on a projection
  2. b 87Sr/86Sr refers to carbonate