| Depth (m) | Layer | Sapropelic formation (%) | Crustal formation (%) | Vitreous group (%) | Inert group (%) | Type index | Type |
| 522.8 | Chang 72 | 62.3 | 0 | 37.3 | 0 | 34 | II2 |
| 524.7 | Chang 72 | 58 | 0 | 42 | 0 | 26.5 | II2 |
| 526.4 | Chang 72 | 56.3 | 0 | 43.7 | 0 | 23.5 | II2 |
| 527.6 | Chang 72 | 43.7 | 0 | 56.3 | 0 | 1.5 | II2 |
| 530.2 | Chang 72 | 58 | 0 | 42 | 0 | 26.5 | II2 |
| 533.9 | Chang 73 | 64 | 0 | 35.7 | 0.3 | 36.9 | II2 |
| 535 | Chang 73 | 57.3 | 0 | 42.3 | 0.3 | 25.3 | II2 |
| 537.7 | Chang 73 | 62 | 0 | 37.7 | 0.3 | 33.4 | II2 |
| 540.9 | Chang 73 | 65.7 | 0 | 34.3 | 0 | 40 | II1 |
| 543.2 | Chang 73 | 69 | 0 | 31 | 0 | 45.8 | II1 |
| 546.7 | Chang 73 | 64.7 | 0 | 35.3 | 0 | 38.2 | II2 |
| 554.8 | Chang 73 | 63.7 | 0 | 36.3 | 0 | 36.5 | II2 |