Table T6. Concentrations of CH4 in headspace gas, Site 1208.
Core, section,
interval (cm)
Depth
(mbsf)
CH4
(ppmv)
198-1208A-

1H-3, 0-5 3.0 2.3
2H-5, 0-5 10.7 3.5
3H-5, 0-5 20.2 3.6
4H-5, 0-5 29.7 4.6
5H-5, 0-5 39.2 6.3
6H-5, 0-5 48.7 7.7
7H-5, 0-5 58.2 7.1
8H-5, 0-5 67.7 7.4
9H-5, 0-5 77.2 7.7
11H-5, 0-5 96.2 4.6
12H-5, 0-5 105.7 6.9
13H-5, 0-5 115.2 6.7
14H-5, 0-5 124.7 6.2
15H-5, 0-5 134.2 5.3
16H-5, 0-5 143.7 5.3
17H-5, 0-5 153.2 7.1
18H-5, 0-5 162.7 6.2
19H-5, 0-5 172.2 6.6
20H-5, 0-5 181.7 7.1
21X-4, 0-5 189.7 7.3
23X-5, 0-5 206.1 9.1
24X-6, 0-5 217.3 6.3
25X-3, 0-5 222.4 5.7
26X-4, 0-5 233.6 4.2
27X-4, 0-5 243.2 4.3
28X-4, 0-5 252.6 4.7
29X-4, 0-5 262.3 5.8
30X-4, 0-5 271.9 6.6
32X-4, 0-5 291.1 3.9
33X-4, 0-5 300.4 5.4
34X-4, 0-5 310.1 4.2
35X-4, 0-5 319.8 5.0
36X-2, 0-5 326.4 3.6
37X-4, 0-5 339.0 4.6
38X-4, 0-5 348.6 4.2
39X-4, 0-5 358.3 2.8
40X-4, 0-5 367.9 2.8
41X-2, 0-5 374.6 4.9