| Interval | ||
|---|---|---|
| 0 - 4 | Quaternary |
siliceous, radiolaria;
sandy mud or ooze
clay minerals; mud or ooze manganese |
| 4 - 31 | Miocene |
siliceous, radiolaria;
sandy mud or ooze
clay minerals; mud or ooze |
| 31 - 33 | Miocene | calcareous, nannofossils; mud or ooze clay minerals siliceous |