Table T13. Headspace gas concentrations and C1/C2 ratios in sediments, Hole 1238A.
Core, section,
interval (cm)
Depth
C1
(ppmv)
C2
(ppmv)
C2=
(ppmv)
C1/C2
(mbsf)
(mcd)
202-1238A-





1H-3, 0-5 3.00 3.00 2.1 0.0 0.0
2H-4, 0-5 9.53 10.13 6.3 0.0 0.0
3H-4, 0-5 19.04 20.89 14.2 0.0 0.0
4H-3, 0-5 27.02 32.32 20.1 0.0 0.0
5H-4, 0-5 38.02 42.82 9.8 0.0 0.0
6H-4, 0-5 47.53 54.38 24.5 0.0 0.0
7H-4, 0-5 57.02 64.32 27.7 0.0 0.0
8H-4, 0-5 66.53 74.53 41.1 0.8 0.0 51.4
9H-4, 0-5 76.04 82.44 43.9 1.0 0.0 43.9
10H-4, 0-5 85.53 92.68 44.7 1.1 0.0 40.6
11H-4, 0-5 95.02 103.42 40.1 0.9 0.0 44.6
12H-4, 0-5 104.53 113.38 57.0 1.4 0.0 40.7
13H-4, 0-5 114.03 124.78 48.8 1.2 0.0 40.7
14H-4, 0-5 123.53 135.48 44.0 1.1 0.0 40.0
15H-4, 0-5 133.02 146.77 58.8 1.5 0.0 39.2
16H-4, 0-5 142.55 156.65 44.7 1.2 0.0 37.2
17H-4, 0-5 152.01 167.86 69.4 2.0 0.0 34.7
18H-4, 0-5 161.51 178.01 96.7 2.9 0.0 33.3
19H-4, 0-5 171.03 188.93 60.5 1.7 0.0 35.6
20H-4, 0-5 180.53 198.68 74.9 2.2 0.0 34.1
21H-4, 0-5 190.04 208.99 76.4 2.3 0.0 33.2
22H-4, 0-5 199.53 220.28 44.2 1.3 0.0 34.0
23X-4, 0-5 209.01 230.71 49.4 1.4 0.0 35.3
24X-4, 0-5 215.91 238.56 46.5 1.3 0.0 35.8
25X-4, 0-5 225.36 248.96 28.9 0.9 0.0 32.1
26X-4, 0-5 234.81 259.36 56.9 1.5 0.0 37.9
27X-4, 0-5 244.52 270.02 44.1 1.4 0.0 31.5
28X-4, 0-5 254.12 280.57 41.4 1.2 0.0 34.5
29X-4, 0-5 263.72 291.12 46.9 1.3 0.0 36.1
30X-4, 0-5 273.43 301.78 46.7 1.8 0.0 25.9
31X-4, 0-5 283.03 312.33 54.8 1.4 0.0 39.1
32X-4, 0-5 292.72 322.97 45.1 1.4 0.0 32.2
33X-4, 0-5 302.42 333.62 45.4 1.5 0.0 30.3
34X-4, 0-5 312.03 344.18 37.2 1.4 0.0 26.6
35X-4, 0-5 321.62 354.72 24.2 0.6 0.0 40.3
36X-4, 0-5 331.23 365.28 26.4 0.6 0.0 44.0
37X-4, 0-5 340.82 375.82 20.4 0.0 0.0
38X-4, 0-5 350.43 386.38 23.0 0.0 0.0
39X-4, 0-5 360.12 397.02 25.7 0.6 0.0 42.8
40X-4, 0-5 369.72 407.57 15.2 0.0 0.0
41X-4, 0-5 379.41 418.21 24.4 0.0 0.0
43X-3, 0-5 396.61 436.36 10.2 1.3 3.4 7.8
44X-4, 0-5 408.23 448.93 8.7 0.0 0.0
45X-3, 0-5 416.30 457.95 10.1 0.0 0.0