Table T2. Lithological subunits, Site C0015.
|
Lithological subunit |
Description | Core | Depth (mbsf) | Thickness (m) | |
|---|---|---|---|---|---|
| Top | Bottom | ||||
| 331-C0015B- | |||||
| Ia | Clast-supported coarse-grained angular woody pumice gravel | 1H | 0 | 0.15 | 0.15 |
| Ib | Inverse to normally graded clast-supported coarse-grained angular woody pumice gravel | 1H | 0.15 | 2.95 | 2.8 |
| Ic | Unconsolidated medium-grained, well-sorted foraminiferal sand | 1H | 2.95 | 3.05 | 0.1 |
| Id | Silty foraminiferal sand | 1H | 3.05 | 3.2 | 0.15 |
| Ie | Matrix-supported bioclastic gravel with 20% coral fragment and rare clasts of woody pumice in a poorly sorted mud to coarse quartz sand matrix | 1H | 3.2 | 5.07 | 1.87 |
| If | Subrounded woody pumice gravel | 1H | 5.07 | 5.5 | 0.43 |
| Ig | Mud with pumiceous silt laminae | 1H | 5.5 | 5.89 | 0.39 |
| Ih | Clast-supported coarse-grained angular woody pumice gravel | 1H | 5.89 | 5.97 | 0.08 |
| Ii | Pumiceous grit grading to gravel at base | 1H | 5.97 | 6.4 | 0.43 |
| 331-C0015C- | |||||
| Ij | Unconsolidated medium-grained, well-sorted, well-rounded quartz sand | 1H | 6.5 | 7.35 | 0.85 |
| Ik | Clast-supported coarse-grained angular woody pumice gravel | 1H | 7.35 | 7.9 | 0.55 |
| Il | Unconsolidated medium-grained, well-sorted, well-rounded quartz sand—highly disrupted by drilling | 1H | 7.9 | 9 | 1.1 |
| Im | Well-sorted quartz-pumice grit | 1H | 9 | 9.08 | 0.08 |
| In | Clast-supported coarse-grained angular pumice gravel | 1H | 9.08 | 9.5 | 0.42 |
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