2. Data of TOC and CM Composition of the Chang7Member of the YF in the Triassic System .
| relative
content of CMs (%) |
mixed layer ratio (S, %) |
||||||
|---|---|---|---|---|---|---|---|
| sample ID | depth (m) | TOC (%) | I/S | illite | kaolinite | chlorite | I/S |
| Z251-1 | 1612.15 | 2.90 | 56 | 31 | 3 | 10 | 16 |
| Z251-2 | 1617.88 | 1.82 | 40 | 39 | 6 | 15 | 14 |
| Z251-3 | 1630.33 | 2.19 | 60 | 31 | 2 | 7 | 15 |
| Z251-4 | 1630.86 | 1.62 | 60 | 29 | 3 | 8 | 18 |
| Z251-5 | 1636.22 | 2.63 | 55 | 30 | 3 | 12 | 12 |
| Z251-6 | 1637.85 | 2.17 | 50 | 37 | 4 | 9 | 15 |
| Z251-7 | 1656.11 | 2.27 | 53 | 29 | 5 | 13 | 14 |
| Z251-8 | 1672.02 | 2.08 | 61 | 27 | 3 | 9 | 17 |
a
Note: I/S refers to Illite/smectite mixed layer. C/S refers to chlorite/smectite mixed layer.