Table T18. Geochemistry of headspace gas samples, Hole U1408A.
|
Core, section, interval (cm) |
Depth (mbsf) |
Methane (ppmv) |
|---|---|---|
| 342-U1408- | ||
| 1H-3, 0–5 | 3.00 | 1.84 |
| 2H-7, 0–5 | 12.81 | 1.81 |
| 3H-7, 0–5 | 22.30 | 1.97 |
| 4H-6, 0–5 | 30.81 | 1.88 |
| 5H-7, 0–5 | 41.30 | 2.6 |
| 6H-7, 0–5 | 50.80 | 2.36 |
| 7H-7, 0–5 | 60.80 | 2.5 |
| 8H-7, 0–5 | 69.92 | 4.4 |
| 9H-6, 0–5 | 78.11 | 2.73 |
| 10H-7, 0–5 | 89.30 | 2.78 |
| 11H-7, 0–5 | 98.61 | 2.43 |
| 12H-7, 0–5 | 107.21 | 2.79 |
| 13H-7, 0–5 | 117.80 | 3.29 |
| 14H-7, 0–5 | 127.30 | 4.46 |
| 15H-7, 0–5 | 136.80 | 4.79 |
| 16H-7, 0–5 | 145.00 | 3.89 |
| 17H-7, 0–5 | 155.31 | 4.33 |
| 18H-7, 0–5 | 163.76 | 3.5 |
| 19H-7, 0–5 | 174.70 | 4.31 |
| 20H-5, 0–5 | 181.30 | 3.08 |
| 21X-7, 0–5 | 191.80 | 3.51 |
| 22X-7, 0–5 | 197.82 | 3.28 |
| 23X-6, 0–5 | 206.00 | 3.08 |
| 24X-5, 0–5 | 214.10 | 2.7 |
| 25X-7, 0–5 | 226.20 | 2.71 |
| 26X-4, 0–5 | 230.99 | 2.16 |
| 27X-7, 0–5 | 245.71 | 2.27 |
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