| Interval | ||
|---|---|---|
| 0 - 18 | Quaternary |
calcareous, biogenic;
sandy mud or ooze
siliceous; sandy mud or ooze |
| 18 - 33 | Quaternary |
calcareous, biogenic;
sandy mud or ooze
siliceous; sandy mud or ooze iron or iron oxide |
| 33 - 74 | Quaternary |
calcareous, biogenic;
sandy mud or ooze
siliceous; sandy mud or ooze clay minerals |