Table 4
Comparison of bulk rock and HCl-treated samples. TOC = Total Organic Carbon; TIC = Total Inorganic Carbon; HI = Hydrogen Index (S2/TOC × 100); OI = Oxygen Index (S3/TOC × 100).
| Sample | Age | TOC [wt.%] | TIC [wt.%] | HI [mg HC/g TOC] | OI [mg CO2/g TOC] |
|---|---|---|---|---|---|
| 106 | Bartonian to Priabonian | 7.39 | 8.65 | 334 | 50 |
| 106-HCl | Bartonian to Priabonian | 31.96 | 0.12 | 568 | 40 |
| 110 | Bartonian to Priabonian | 4.88 | 5.79 | 210 | 57 |
| 110-HCL | Bartonian to Priabonian | 9.52 | 0.04 | 407 | 39 |
| 121 | Ypresian to Lutetian | 0.96 | 6.81 | 46 | 192 |
| 121-HCl | Ypresian to Lutetian | 2.31 | 0.01 | 159 | 50 |
| 137 | Ypresian to Lutetian | 0.4 | 10.14 | 110 | 211 |
| 137-HCl | Ypresian to Lutetian | 2.7 | 0.02 | 252 | 50 |
| 188 | Turonian to Coniacian | 0.3 | 11.74 | 348 | 213 |
| 188-HCl | Turonian to Coniacian | 5.1 | 0.03 | 432 | 36 |
| 192 | Turonian to Coniacian | 2.19 | 10.37 | 495 | 95 |
| 192-HCl | Turonian to Coniacian | 23.54 | 0.09 | 592 | 33 |