Table 4.

Stable isotope composition of the samples and related calculations

SampleTypeδ13C (VPDB)δ18O (VSMOW)δ13CCO2 (VPDB)*δ13CCO2 (VPDB)T (°C)T (°C)§
CM 1/1Bedded travertine5.624.3−3.8−5.93317
CM 1/2Calcite vein3.121.5−6.8−6.74629
CM 1/3Calcite vein3.021.4−6.9−6.74630
CM 2Calcite vein1.120.6−9.2−8.25033
CM 3Calcite vein2.722.1−7.3−7.44326

*Calculated using the equation of Panichi & Tongiorgi (1975).

Calculated using the equation of Bottinga (1968).

Calculated using the empirical equation of Kele et al. (2015) and using −5.4‰ as δ18Owater.

§Calculated using the empirical equation of Kele et al. (2015) and using −8.86‰ as δ18Owater.