Table T20. Geochemistry of headspace gas samples, Hole U1403A.
Core, section, interval (cm) |
Depth (mbsf) |
Methane (ppmv) |
---|---|---|
342-U1403A- | ||
1H-4, 0–5 | 4.50 | 2.93 |
2H-7, 0–5 | 14.80 | 2.12 |
3H-7, 0–5 | 24.30 | 2.07 |
4H-7, 0–5 | 33.50 | 2.01 |
5H-7, 0–5 | 43.10 | 2.66 |
6H-7, 0–5 | 52.88 | 3.89 |
7H-7, 0–5 | 62.30 | 3.72 |
8H-7, 0–5 | 71.83 | 4.72 |
9H-7, 0–5 | 81.00 | 6.70 |
10H-7, 0–5 | 90.71 | 6.73 |
11H-7, 0–5 | 100.30 | 6.57 |
12H-5, 0–5 | 106.81 | 6.69 |
13H-5, 142–147 | 117.63 | 7.21 |
14H-7, 0–5 | 128.64 | 10.99 |
15H-6, 0–5 | 136.80 | 9.99 |
16H-6, 0–5 | 146.05 | 9.41 |
19X-7, 0–5 | 164.80 | 12.73 |
20X-7, 0–5 | 174.60 | 10.15 |
21X-7, 0–5 | 183.90 | 8.03 |
22X-3, 0–5 | 187.60 | 6.85 |
23X-7, 0–5 | 203.50 | 7.80 |
25X-5, 0–5 | 215.70 | 16.19 |
26X-7, 0–5 | 223.26 | 12.64 |
27X-6, 0–5 | 231.70 | 9.90 |
28X-6, 0–5 | 241.40 | 7.95 |
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