Table T3. Lithostratigraphic units, Hole U1320A.
| Unit | Top | Bottom | Thickness (m) |
Sand (%) |
Lithology/Remarks | ||
|---|---|---|---|---|---|---|---|
| Core, section, interval (cm) |
Depth (mbsf) |
Core, section, interval (cm) |
Depth (mbsf) |
||||
| 308-U1320A- | 308-U1320A- | ||||||
| I | 1H-1, 0 | 0 | 1H-2, 115 | 2.65 | 2.65 | 0 | Clay, foraminifer bearing |
| II | 1H-2, 115 | 2.65 | 17X-2, 91 | 137.5 | 134.85 | 49 | Sand and mud, three main packages |
| IIA | 1H-2, 115 | 2.65 | 4H-3, 110 | 27.6 | 24.95 | 70 | Sand and mud, three main packages |
| IIB | 4H-3, 110 | 27.6 | 5H-4, 26 | 37.76 | 10.16 | 0 | Clay, bioturbated, organic-rich silt laminae |
| IIC | 5H-4, 26 | 37.76 | 11X-log, log | 82 | 44.24 | 77 | Sand and mud interbedded, four main packages |
| IID | 11X-log, log | 82 | 15X-6, 40 | 124.6 | 42.6 | 32 | Sand and mud interbedded, two main packages |
| IIE | 15X-6, 40 | 124.6 | 17X-2, 91 | 137.5 | 12.9 | 10 | Clay, mass transport deposit |
| III | 17X-2, 91 | 137.5 | 17X-CC, 20 | 145.3 | 7.8 | 0 | Clay, foraminifer bearing (contains ash Layer Y8) |
| IV | 17X-CC, 20 | 145.3 | 21X-1, 0 | 174.4 | 29.1 | 23 | Clay, with thin sand and silt beds, thick sand bed at base |
| V | 21X-1, 0 | 174.4 | 33X-CC, 39 | 299.61 | 125.21 | 0 | Clay, bioturbated (probable foraminifer-bearing clay at top) |
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