Table T2. Visible tephra layers thicker than 0.5 cm, Hole U1423A.
| Core, section, interval (cm) |
Thickness (cm) |
Color | Occurrence |
|---|---|---|---|
| 346-U1423A- | |||
| 1H-2, 112–113 | 1.0 | Dark gray | Layered |
| 1H-3, 95–104 | 2.0 | Light gray | Layered |
| 1H-4, 72–77 | 5.0 | White | Layered |
| 1H-5, 26–30 | 1.3 | White | Patched |
| 2H-4, 126–127 | 1.0 | White | Layered |
| 3H-1, 52–52.5 | 0.5 | Black | Layered |
| 3H-2, 89–90 | 1.0 | Dark gray | Layered |
| 3H-3, 19–20 | 1.0 | Gray | Layered |
| 3H-3, 38–45 | 2.0 | Gray | Layered |
| 3H-3, 112–113.5 | 1.5 | Light gray–gray | Layered |
| 3H-4, 44–45 | 1.0 | Dark gray | Layered |
| 3H-5, 14–15 | 1.0 | Gray | Layered |
| 3H-5, 34–35 | 1.0 | Gray | Layered |
| 3H-7, 15–16 | 1.0 | Light gray | Layered |
| 4H-3, 44–45 | 1.0 | Gray | Layered |
| 4H-3, 109.5–110.5 | 1.0 | Gray | Layered |
| 4H-4, 10–12 | 2.0 | Gray | Layered |
| 4H-5, 8–8.5 | 0.5 | Light gray | Layered |
| 5H-3, 90–91 | 1.0 | Gray | Layered |
| 6H-1, 11–27 | 16.0 | Light gray | Layered |
| 6H-5, 19–20 | 1.0 | Light gray | Layered |
| 6H-6, 100.5–101 | 0.5 | Light gray | Layered |
| 7H-1, 14–18 | 4.0 | Light gray–gray | Layered |
| 7H-1, 37–37.5 | 0.5 | Gray | Layered |
| 7H-3, 88–91 | 3.0 | Light gray–gray | Layered |
| 7H-6, 51–52 | 1.0 | Light gray | Layered |
| 7H-6, 88–89 | 1.0 | Light gray | Layered |
| 7H-6, 112–113 | 1.0 | Light gray | Layered |
| 8H-1, 34–38 | 4.0 | White | Layered |
| 8H-2, 131–133 | 0.7 | Light gray | Patched |
| 8H-5, 3–5 | 2.0 | Light gray | Layered |
| 8H-6, 18–20 | 2.0 | Light gray | Layered |
| 8H-6, 23.5–25 | 1.5 | Light gray | Layered |
| 8H-6, 56–59 | 1.0 | Light gray | Patched |
| 8H-6, 80–82 | 2.0 | White | Layered |
| 8H-7, 46–49 | 3.0 | Light gray | Layered |
| 9H-1, 124–126 | 2.0 | Gray | Layered |
| 9H-3, 39–41 | 2.0 | Light gray | Layered |
| 9H-5, 56–62 | 6.0 | Light gray | Layered |
| 9H-6, 85–86 | 1.0 | Gray | Layered |
| 10H-1, 43.5–47 | 1.2 | Light gray | Patched |
| 10H-3, 106–109.5 | 3.5 | Light gray | Layered |
| 11H-1, 42–46 | 1.3 | Light gray–gray | Patched |
| 11H-6, 91–94.5 | 1.2 | Gray | Patched |
| 11H-6, 112–115 | 3.0 | White | Patched |
| 13H-3, 29.5–31 | 0.5 | White | Patched |
| 13H-5, 7–22 | 15.0 | White | Layered |
| 14H-2, 86.5–91.5 | 5.0 | Light gray | Layered |
| 14H-2, 99.5–101 | 0.5 | Light gray | Patched |
| 19H-4, 55–61 | 6.0 | Light gray | Layered |
| 20H-1, 81–84 | 3.0 | Light gray | Layered |
| 20H-1, 127–130 | 3.0 | Gray | Layered |
| 20H-3, 93–95 | 2.0 | Gray | Layered |
| 20H-6, 77–94 | 17.0 | White–light gray | Layered |
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