Table T10. Concentrations of CH4 in headspace gas, Site 1207.
Core, section,
interval (cm)
Depth
(mbsf)
CH4
(ppmv)
198-1207A-

1H-1, 0-5 0.00 2.0
2H-5, 0-5 10.80 2.1
3H-5, 0-5 20.30 2.4
4H-5, 0-5 29.80 2.4
5H-5, 0-5 39.30 2.5
6H-5, 0-5 48.80 3.0
7H-5, 0-5 58.30 2.3
8H-5, 0-5 67.80 2.8
9H-5, 0-5 77.30 2.9
10H-5, 0-5 86.80 2.4
11H-5, 0-5 96.30 2.4
12H-5, 0-5 105.80 2.3
13H-5, 0-5 115.30 2.3
14H-5, 0-5 124.80 2.2
15H-5, 0-5 134.30 2.6
16H-5, 0-5 143.80 2.1
17H-5, 0-5 153.30 2.2
18H-5, 0-5 162.80 2.0
19H-2, 0-5 167.80 1.9
20H-5, 0-5 178.30 1.8
21X-4, 0-5 186.30 1.8
23X-5, 0-5 203.90 2.0
24X-5, 0-5 213.60 2.0
198-1207B-

6R-3, 0-5 208.10 1.8
28R-3, 0-5 415.10 4.5