Table 1 Fe‒S‒C‒O stable isotope composition.
Sample | Composition | δ56Fe (‰) | δ34S (‰) | δ13C-PDB | δ18O-PDB | ||
|---|---|---|---|---|---|---|---|
Pyrrhotite | Pyrite | Pyrrhotite | Pyrite | (‰) | (‰) | ||
TK-53-1 | Fe-sulphides | 0.03 | 0.11 | − 4.49 | − 4.17 | ||
TK-53-2 | Fe-sulphides | − 0.43 | 0.77 | − 4.80 | − 4.30 | ||
TK-53-3 | Fe-sulphides | 0.71 | 0.78 | − 4.91 | − 4.82 | ||
Mean | 0.10 | 0.55 | − 4.73 | − 4.43 | |||
TK-53-organic 1 | Organic carbon | − 35.67 | |||||
TK-53-organic 2 | Organic carbon | − 33.63 | |||||
TK-53-organic 3 | Organic carbon | − 35.15 | |||||
Mean | − 34.82 | ||||||
TK-53-carbon 1 | Calcite | − 0.11 | − 15.73 | ||||
TK-53-carbon 2 | Calcite | − 0.60 | − 16.72 | ||||
TK-53-carbon 3 | Calcite | − 0.50 | − 18.92 | ||||
Mean | − 0.40 | − 17.12 | |||||
