| Mineral composition content (%) | Chang 6 | ||
| Crumbs ingredients | Quartzoids | 55.1 | |
| Feldspathic classes | 11.7 | ||
| Cuttings Class | Igneous cuttings | 6 | |
| Metamorphic rock cuttings | 9.6 | ||
| Sedimentary rock debris | 0 | ||
| Other | Mica | 4.4 | |
| Heavy Minerals | 2.2 | ||
| Interstitial composition | Argillaceous heterobase | 0 | |
| hydromica | 4.9 | ||
| Chlorite | 2.7 | ||
| Pyrite | 0 | ||
| calcite | 8.5 | ||
| Dolomites | 0 | ||
| feldspathic | 0 | ||
| Kaolinite | 1.4 | ||
| Siliceous | 0.7 | ||
| Barite | 0 | ||