Table T5. Methane concentrations in headspace, Holes 1226B and 1226E.
Core, section,
interval (cm)
Depth
(mbsf)
Methane
(ppm in headspace)
Methane
(µM)
20 min @
60°C
24 hr @
22°C
201-1226B-



1H-2, 0-5 1.50
2.00 0.07
1H-3, 0-5 3.20 1.92
0.08
2H-2, 0-5 5.90
2.98 0.26
2H-4, 0-5 8.90
3.62 0.36
2H-6, 0-5 11.90 2.76
0.32
3H-2, 0-5 15.40
4.69 0.64
3H-4, 0-5 18.40
4.82 0.63
3H-6, 0-5 21.40 4.03
0.70
4H-2, 0-5 24.90
5.66 0.78
4H-4, 0-5 27.90
5.81 0.85
4H-6, 0-5 30.90 4.63
0.93
5H-2, 0-5 34.40
5.99 0.86
5H-4, 0-5 37.40
8.30 1.27
5H-6, 0-5 40.40 5.62
1.12
6H-2, 0-5 43.90
7.24 1.06
6H-4, 0-5 46.90
6.90 0.99
6H-6, 0-5 49.90 7.95
1.71
7H-2, 0-5 53.40
8.36 1.14
7H-4, 0-5 56.40
10.63 1.52
7H-6, 0-5 59.40 8.98
1.82
8H-2, 0-5 62.90
12.30 1.93
8H-4, 0-5 65.90
9.37 1.30
8H-6, 0-5 68.90 8.98
2.01
9H-2, 125-130 73.65
9.30 1.40
9H-4, 0-5 75.40
11.92 1.92
9H-6, 0-5 78.40 9.24
2.27
10H-2, 0-5 81.90
10.88 1.64
10H-4, 0-5 84.90
13.82 2.29
10H-6, 0-5 87.90 10.72
2.54
11H-2, 0-5 91.40
11.18 1.91
11H-4, 0-5 94.40
10.59 1.63
11H-6, 0-5 97.40 8.14
1.94
12H-2, 0-5 100.90
13.28 2.15
12H-4, 0-5 103.90
12.36 2.10
12H-6, 0-5 106.90 8.95
2.05
13H-2, 0-5 110.40
12.98 2.13
13H-4, 0-5 113.40
13.70 2.29
13H-6, 0-5 116.40 8.53
2.26
14H-2, 0-5 119.90
12.46 2.23
14H-4, 0-5 122.90
10.52 1.86
14H-6, 0-5 125.90 7.56
1.99
15H-2, 0-5 129.40
12.01 2.35
15H-4, 0-5 132.40
10.92 2.01
15H-6, 0-5 135.40 6.24
1.46
16H-2, 0-5 138.90
10.68 1.81
16H-4, 0-5 141.90
12.31 2.57
16H-6, 0-5 144.90 7.33
1.79
17H-2, 0-5 148.40
10.92 2.18
17H-4, 0-5 151.40
11.65 2.00
17H-6, 0-5 154.40 6.87
1.57
18H-2, 0-5 157.90
12.62 2.43
18H-4, 0-5 160.90
13.93 2.50
18H-6, 0-5 163.90 6.88
1.58
19H-2, 0-5 167.40
11.84 2.18
19H-4, 0-5 170.40
12.22 2.22
19H-6, 0-5 173.40 7.28
1.87
20H-2, 0-5 176.90
12.18 2.35
20H-4, 0-5 179.90
12.44 2.34
20H-6, 0-5 182.90 7.17
1.76
21H-2, 0-5 186.40
10.39 1.89
21H-4, 0-5 189.40
15.13 3.17
21H-6, 0-5 192.40 7.51
1.84
22H-3, 0-5 196.20
8.54 1.58
22H-5, 0-5 199.20
10.25 1.93
22H-7, 0-5 202.20 8.55
2.16
23H-2, 0-5 205.40 9.33
2.26
23H-4, 0-5 208.40
11.97 2.18
23H-6, 0-5 211.40
11.29 1.90
24H-2, 0-5 214.90
12.58 2.33
24H-4, 0-5 217.90
13.41 2.96
24H-6, 0-5 220.90 5.39
1.41
25H-2, 0-5 224.40
14.73 2.66
25H-4, 0-5 227.40
10.87 1.93
25H-2, 0-5 230.40 7.19
1.91
26H-2, 0-5 233.90
12.33 2.50
26H-4, 0-5 236.90
11.70 2.20
26H-6, 0-5 239.90 6.68
1.67
27H-2, 0-5 244.90
12.28 2.63
27H-4, 0-5 247.90
13.56 2.61
27H-6, 0-5 250.90 8.84
2.21
28H-2, 0-5 254.40
12.27 2.24
28H-4, 0-5 257.40
12.79 2.26
28H-6, 0-5 260.40 7.73
1.98
29H-2, 0-5 263.90
12.25 1.95
29H-4, 0-5 266.90
12.38 1.92
29H-6, 0-5 269.90 7.94
1.69
30X-2, 0-5 273.40
10.67 1.58
30X-4, 0-5 276.40
9.89 1.56
30X-6, 0-5 279.40 5.04
1.06
31X-2, 0-5 283.00
9.79 1.38
31X-4, 0-5 286.00
7.42 1.04
31X-6, 0-5 289.00 6.76
1.34
32X-2, 0-5 292.30
7.49 1.06
32X-4, 0-5 295.30
10.24 1.52
32X-6, 0-5 298.30 7.24
1.41
33X-4, 0-5 305.00
4.35* ND
33X-6, 0-5 308.00 6.83*
ND
34X-2, 0-5 311.70
8.78 1.22
34X-5, 0-5 316.20 13.93*
ND
35X-2, 0-5 321.30
11.67 1.92
35X-6, 0-5 327.30 5.10
1.03
36X-4, 0-5 333.90
9.15 1.51
36X-4, 0-5 336.90 5.66
1.17
37X-3, 0-5 342.00
8.06 1.09
37X-4, 0-5 346.50 5.34
1.21
38X-3, 0-5 351.70
7.04 1.01
38X-6, 0-5 356.20 5.83
1.36
39X-3, 0-5 361.33 5.48
1.13
39X-4, 0-5 362.83
6.46 1.01
40X-1, 105-110 369.15 4.97
1.15
40X-2, 0-5 369.60
3.47* ND
41X-2, 105-110 373.65 4.69
1.04
41X-3, 0-5 374.10
5.62 0.92
43X-1, 135-140 381.35
5.19 0.81
43X-4, 0-5 384.40 4.15
0.99
45X-2, 0-5 398.70
3.64 0.50
45X-6, 0-5 404.70 5.81*
ND
46X-2, 0-5 408.30
5.96 0.84
46X-6, 0-5 414.30 3.59*
ND
47X-1, 125-130 417.65 3.77*
ND
201-1226E-



13-H3, 0-5 253.00
10.48 1.85
13-H6, 0-5 257.50
12.08 2.02
14-H2, 130-135 262.30
11.19 1.61
14-H5, 0-5 265.50
12.43 2.05
15-H2, 130-135 271.80
13.94 2.43
15-H5, 0-5 275.00
13.14 2.29
16-H2, 130-135 281.30
15.28 2.48
16-H5, 0-5 284.50
14.49 2.32
17-H2, 130-135 290.80
13.98 2.28
17-H5, 0-5 294.00
11.54 1.76
18-H2, 130-135 300.30
12.38 1.83
18-H5, 0-5 303.50
11.57 1.71
19-H2, 130-135 309.80
10.86 1.59

Notes: * = samples were not taken volumetrically. ND = not determined. This table is also available in ASCII.