| Interval | ||
|---|---|---|
| 0 - 4 | Quaternary |
siliceous;
sandy mud or ooze
manganese; nodules clay minerals |
| 4 - 78 | Quaternary |
siliceous, radiolaria;
sandy mud or ooze
clay minerals; mud or ooze manganese |
| 78 - 91 | Oligocene |
calcareous, nannofossils;
mud or ooze
siliceous; sandy mud or ooze |